child lock MERCEDES-BENZ R320 2010 W251 Owner's Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2010, Model line: R320, Model: MERCEDES-BENZ R320 2010 W251Pages: 364, PDF Size: 7.5 MB
Page 8 of 364
![MERCEDES-BENZ R320 2010 W251 Owners Manual Cargo net ...........................................
196
Cargo tie-down rings .........................188
Carpets, cleaning .............................. 267
Central locking
Automatic ........ MERCEDES-BENZ R320 2010 W251 Owners Manual Cargo net ...........................................
196
Cargo tie-down rings .........................188
Carpets, cleaning .............................. 267
Central locking
Automatic ........](/img/4/3524/w960_3524-7.png)
Cargo net ...........................................
196
Cargo tie-down rings .........................188
Carpets, cleaning .............................. 267
Central locking
Automatic ................................ 74, 137
KEYLESS-GO
.................................... 71
Locking/unlocking from inside ........ 74
SmartKey ......................................... 70
Central locking/unlocking switch .....74
Certification label .............................. 344
Children in the vehicle
Air bags ........................................... 37
BabySmart™ air bag deactivation
system ............................................. 45
Child safety locks (rear doors) ......... 61
Child seat anchors – LATCH-type ....60
Indicator lamp, front passenger
front air bag off (Canada only) ......... 45
Indicator lamp, front passenger
front air bag off (USA only) .............. 42
Infant and child restraint systems .... 55
OCS (Occupant Classification
System) ........................................... 42
Override switch ................................ 62
Safety notes ..................................... 55
Tether anchorage points .................. 57
Top tether ........................................ 57
Child safety
see Children in the vehicle
Child seat anchors – LATCH-type
see Children in the vehicle
Chrome-plated exhaust tip,
cleaning .............................................. 268
Cigarette lighter ................................ 205
Climate control system ....................162
3-zone automatic climate control ..170
Air conditioning .....................167, 175
Air conditioning refrigerant ............ 352
Air distribution ....................... 168, 177
Air recirculation mode ........... 169, 179
Air volume ............................. 168, 178
Automatic mode .................... 167, 176
Climate control .............................. 164
Deactivating system ..............166, 175
Front defroster ...................... 168, 178
Residual heat and
ventilation .............................. 170, 180
Temperature .......................... 168, 176Clock
............................................ 28, 133
Cockpit ................................................. 27
Cold tire inflation pressure ..............249
Collapsible tire (spare wheel) ..........350
Collapsible wheel chock ...................272
COMAND system see separate COMAND system
operating instructions
Combination switch ..........................100
Comfort submenu Easy-entry/exit feature .................. 137
Fold-in function for exterior rear
view mirrors ................................... 138
Seat belt adjustment feature ......... 138
Compass
Calling up ....................................... 216
Control system .................................. 123
Multifunction display .....................125
Multifunction steering wheel ......... 123
Resetting to factory settings .......... 131
Control system menus ...................... 126
AIRMATIC/Compass ...................... 129
Audio/DVD .................................... 128
Distronic ........................................ 129
Navigation ..................................... 129
Settings ......................................... 130
Standard display ............................ 126
Telephone ...................................... 140
Trip computer ................................ 139
Vehicle status message memory ...130
Control system submenus
Comfort ......................................... 137
Instrument cluster .........................132
Lighting .......................................... 134
Time/Date ..................................... 133
Vehicle ........................................... 137
Coolant
Anticorrosion/antifreeze ............... 356
Capacities ...................................... 351
Checking level ............................... 225
Messages in the multifunction
display ........................................... 290
Corner-illuminating front fog
lamps .................................................. 101
Cruise control .................................... 142
Activating ....................................... 143
Canceling ....................................... 1436
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![MERCEDES-BENZ R320 2010 W251 Owners Manual Changing the set speed
.................144
Last stored speed .......................... 144
Lever ..............................................
143
Messages in the mutlifunction
display .......... MERCEDES-BENZ R320 2010 W251 Owners Manual Changing the set speed
.................144
Last stored speed .......................... 144
Lever ..............................................
143
Messages in the mutlifunction
display ..........](/img/4/3524/w960_3524-8.png)
Changing the set speed
.................144
Last stored speed .......................... 144
Lever ..............................................
143
Messages in the mutlifunction
display ........................................... 280
Resume function ............................ 144
Setting current speed .................... 143
Cup holders ........................................ 201
Curb weight ....................................... 249
Customer Assistance Center (CAC) ...23
Customer Relations Department .......23 D
Dashboard see Instrument cluster
Data recording ..................................... 23
Date, Setting ...................................... 134
Daytime running lamp mode ..............99
Switching on or off ......................... 134
Deep water
see Standing water
Defroster
Rear window .................................. 180
Windshield ............................. 168, 178
Delayed shut-off
Exterior lamps ................................ 135
Interior lighting .............................. 136
Department of Transportation
see DOT
Diesel engine
Preglow indicator lamp ....................29
Diesel fuel
see Fuel
Difficulties
While driving .................................. 113
With starting .................................. 111
Digital clock
see Clock
Digital speedometer .........................127
Dimensions (vehicle) see Vehicle specification
Direction of rotation (tires) ..............240
Displays
Digital speedometer ......................127
Distronic ........................................ 146
Maintenance service indicator .......261 Messages in the multifunction
display
........................................... 274
Multifunction display .....................125
Outside temperature .............127, 133
Symbol messages .......................... 285
Text messages ............................... 275
Trip computer ................................ 139
Vehicle status message memory ...130
Vehicle system settings ................. 130
Distronic ............................................ 145
Cleaning system sensor cover ....... 265
Control system .............................. 129
Distance warning function .............152
Distance warning
lamp ...................................... 147, 304
Driving with .................................... 151
Menu ............................................. 147
Messages in the multifunction
display ........................................... 280
Resume function ............................ 150
Sensor cover .................................. 265
Speed settings ............................... 149
Door control panel .............................. 33
Door handles ........................................ 33
Doors
Child safety locks ............................ 61
Locking/unlocking (KEYLESS-GO) ...71
Locking/unlocking (SmartKey) ........ 70
Messages in the multifunction
display ........................................... 289
Opening from inside ......................... 74
Remote door unlock (Tele Aid) ....... 212
Unlocking (Mechanical key) ........... 308
DOT (Department of
Transportation) .................................. 249
Drinking and driving .........................253
Driving
Abroad ........................................... 259
Hydroplaning ................................. 255
Instructions ........................... 110, 253
In winter ........................................ 252
Problems ....................................... 113
Safety systems ................................ 63
Systems ......................................... 142
Through standing water .................256
With Distronic ................................ 151
Driving and parking
Safety notes .................................. 110 Index
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![MERCEDES-BENZ R320 2010 W251 Owners Manual J
Jack ..................................................... 272
Jump starting ..................................... 336K
Key, Mechanical
Loss of ............................................. 73
Un MERCEDES-BENZ R320 2010 W251 Owners Manual J
Jack ..................................................... 272
Jump starting ..................................... 336K
Key, Mechanical
Loss of ............................................. 73
Un](/img/4/3524/w960_3524-12.png)
J
Jack ..................................................... 272
Jump starting ..................................... 336K
Key, Mechanical
Loss of ............................................. 73
Unlocking/locking manually .......... 308
Key, SmartKey
Battery check lamp .......................... 73
Checking batteries ........................... 73
Factory setting
........................... 71, 72
Global locking (KEYLESS-
GO) .................................................. 73
Global locking (SmartKey) ................ 71
Global unlocking (KEYLESS-
GO) ............................................ 72, 73
Global unlocking
(SmartKey) ....................................... 71
Important notes on KEYLESS-GO .....72
Locking/unlocking ........................... 70
Loss of ............................................. 73
Messages in the multifunction
display ........................................... 289
Opening and closing the power
tilt/sliding sunroof or the
panorama roof ............................... 108
Opening and closing the windows . 108
Remote control ................................ 70
Replacing batteries ........................ 310
Restoring to factory setting ....... 71, 73
Selective setting ........................ 71, 73
Starter switch positions ................... 79
KEYLESS-GO
Starter switch positions ................... 80
Kickdown ........................................... 119
Kilopascal (air pressure unit) ...........249 L
Labels
Certification ................................... 344
Emission control information
......... 345 Tire and Loading Information
placard
........................................... 236
Tire inflation pressure ....................230
Lamps, exterior
Exterior lamp switch ........................ 97
Front .............................................. 313
Messages in the multifunction
display ........................................... 295
Rear ............................................... 313
Switching on/off .............................. 97
Lamps, indicator and warning
ABS .......................................... 28, 300
Brakes ..................................... 28, 301
Distance warning
lamp ........................ 28, 147, 152, 304
Engine malfunction .................. 29, 305
ESP ®
........................................ 28, 303
Fog lamps ........................................ 99
Front passenger front air bag off
(Canada only) .......................... 45, 307
Front passenger front air bag off
(USA only) ................................ 42, 307
Fuel tank reserve ..................... 29, 305
High-beam headlamps .............29, 100
Instrument cluster ...................28, 299
Low-beam headlamps ................ 29, 98
Low tire pressure/TPMS
malfunction telltale .................. 28, 306
Seat belt telltale ................29, 51, 302
SRS .................................... 29, 36, 303
Turn signals ..................................... 28
Language, selecting ..........................133
LATCH-type child seat anchors see Children in the vehicle
License plate lamps
Messages in the multifunction
display ........................................... 296
Replacing bulbs ............................. 314
Light alloy wheels, cleaning .............267
Lighter see Cigarette lighter
Lighting ................................................ 97
Daytime running lamp mode ............99
Exterior ............................................ 97
Interior ........................................... 102
Limp-home mode .............................. 121
Load index (tires) ......................245, 249 Index
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![MERCEDES-BENZ R320 2010 W251 Owners Manual Parktronic system
Cleaning system sensors ...............265
Malfunction ....................................
159
Minimum distance ......................... 158
Sensor range ...................... MERCEDES-BENZ R320 2010 W251 Owners Manual Parktronic system
Cleaning system sensors ...............265
Malfunction ....................................
159
Minimum distance ......................... 158
Sensor range ......................](/img/4/3524/w960_3524-15.png)
Parktronic system
Cleaning system sensors ...............265
Malfunction ....................................
159
Minimum distance ......................... 158
Sensor range ................................. 157
Switching on/off ........................... 159
System sensors ............................. 157
Warning indicators ................... 27, 158
Parts service ...................................... 344
PASS AIR BAG OFF indicator lamp
(Canada only)
see Front passenger front air bag
off indicator lamp (Canada only)
PASS AIR BAG OFF indicator lamp
(USA only)
see Front passenger front air bag
off indicator lamp (USA only)
Passenger safety
see Occupant safety
Pedals ................................................. 253
Phone see Telephone
Plastic parts, cleaning ...................... 267
Power assistance .............................. 253
Power outlets .................................... 206
Power seats see Seats
Power tailgate
Closing ............................................. 76
Messages in the multifunction
display ........................................... 288
Opening ........................................... 76
Power tilt/sliding sunroof
Operation ....................................... 181
Synchronizing ................................ 183
Power washer .................................... 263
Power windows ................................. 106
Cleaning ......................................... 266
Door windows ................................ 107
Hinged quarter windows ................ 107
Operation ....................................... 106
Rear door window, override
switch .............................................. 62
Synchronizing ................................ 107
Practical hints ................................... 270
Preglow indicator lamp ..............29, 111PRE-SAFE
®
............................................ 52
Messages in the multifunction
display
........................................... 276
Problems
While driving .................................. 113
With vehicle ..................................... 23
Product information ............................20
Production options weight ...............250
Program mode selector switch
Automatic shift program ................120
Proximity key
see Key, SmartKey
PSI (air pressure unit) ....................... 250 R
Radiator ..................................... 224, 251
Radio Selecting stations
..........................128
Radio transmitters ............................260
Rain sensor see Intermittent wiping
Rear axle oil ....................................... 351
Rear center console ..........................200
Rear doors
Child safety locks ............................ 61
Rear door window
Override switch ................................ 62
Rear fog lamp
see Fog lamps
Rear lamps
see Tail lamps
Rear seat ashtray
see Ashtrays
Rear seats
see Seats
Rear view camera .............................. 159
Cleaning the camera lens .............. 266
Rear window defroster ..................... 180
Rear window wiper/washer .............105
Recommended tire inflation
pressure ..................................... 228, 250
Refilling
AdBlue ®
......................................... 332
Refrigerant, air conditioning ............ 352
Refueling ............................................ 220
Regular checks .................................. 22214
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![MERCEDES-BENZ R320 2010 W251 Owners Manual Reminder, Seat belt
see Seat belts, Telltale
Remote control
see Key, SmartKey
Remote door unlock (Tele Aid) .........212
Replacing bul MERCEDES-BENZ R320 2010 W251 Owners Manual Reminder, Seat belt
see Seat belts, Telltale
Remote control
see Key, SmartKey
Remote door unlock (Tele Aid) .........212
Replacing bul](/img/4/3524/w960_3524-16.png)
Reminder, Seat belt
see Seat belts, Telltale
Remote control
see Key, SmartKey
Remote door unlock (Tele Aid) .........212
Replacing bulbs ................................. 312
Reporting safety defects .................... 23
Research Octane Number see RON
Reserve fuel
Messages in the multifunction
display ........................................... 293
Warning lamp ................................... 29
Reset button ................................ 28, 122
Reset tool (NECK-PRO active front
head restraints) ................................. 310
Restraint systems see Occupant safety
Rims ........................................... 250, 347
Roadside Assistance ...................21, 210
Roller sunblinds ................................. 184
RON (Research Octane Number) ..... 353
Roof rack ............................................ 187
Rubber parts, cleaning ...................... 267
Run-flat tires see MOExtended tires S
Safety Driving safety systems ..................... 63
Occupant safety ...............................
36
Reporting defects ............................ 23
Safety belts
see Seat belts
Seat belt force limiter ......................... 52
Seat belts ............................................. 47
Adjustment function ........................51
Children in the vehicle .....................55
Cleaning ......................................... 267
Fastening ......................................... 49
Height adjustment ...........................50
Proper use of ................................... 48
Safety guidelines ............................. 39
Safety notes ..................................... 47
Telltale ..................................... 29, 302
Seat heating ......................................... 91
Seating capacity ................................ 237Seats .....................................................
81
Adjustment ...................................... 81
Easy-entry/exit feature ....................92
Folding (expanding cargo volume) . 189
Heating ............................................ 91
Memory function .............................. 96
Multicontour seat ............................ 90
Rear seats ........................................ 86
Ventilation ....................................... 90
Securing cargo
Cargo tie-down rings ...................... 188
Selective setting
see Key, SmartKey
Selector lever
see Gear selector lever
Self-test
BabySmart™ .................................... 47
OCS (Occupant Classification
System) ........................................... 45
Tele Aid .......................................... 208
Service
see Maintenance
Service, parts .................................... 344
Service and warranty information .....20
Service intervals see Maintenance System, Service
indicator message
Service life (tires) .............................. 241
Settings Factory setting (KEYLESS-GO) ......... 72
Factory setting (SmartKey) ..............71
Memory function .............................. 96
Menu ............................................. 130
Selective setting (KEYLESS-GO) ....... 73
Selective setting (SmartKey) ............71
Side impact air bags ...........................40
Side marker lamps
Cleaning lenses ............................. 265
Messages in the multifunction
display ........................................... 295
Sidewall (tires) .................................. 250
Side windows see Power windows
SmartKey
see Key, SmartKey
SmartKey with KEYLESS-GO
see Key, SmartKey Index
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![MERCEDES-BENZ R320 2010 W251 Owners Manual R
Adjust the seat cushion so that the front
edge of the seat cushion lightly supports
your legs.
R Adjust the head restraint so that it is as
close to the head as possible and the
center of the head r MERCEDES-BENZ R320 2010 W251 Owners Manual R
Adjust the seat cushion so that the front
edge of the seat cushion lightly supports
your legs.
R Adjust the head restraint so that it is as
close to the head as possible and the
center of the head r](/img/4/3524/w960_3524-56.png)
R
Adjust the seat cushion so that the front
edge of the seat cushion lightly supports
your legs.
R Adjust the head restraint so that it is as
close to the head as possible and the
center of the head restraint supports the
back of the head at eye level.
R Never place hands under the seat or near
any moving parts while the seat is being
adjusted. Children in the vehicle
Safety notes If an infant or child is traveling with you in the
vehicle:
X
Secure the child using an infant or child
restraint
appropriate to the age and size of
the child.
X Make sure the infant or child is properly
secured at all times while the vehicle is in
motion. G
Warning!
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
starter switch or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system’s
metal parts, for example, could become very
hot, and the child could be burned by these
parts.
G
Warning!
Do not carry heavy or hard objects in the
passenger
or cargo compartment unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child’s risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
Infant and child restraint systems G
Observe Safety notes, see page 55.
We recommend all infants and children be
properly restrained at all times while the
vehicle is in motion.
Canada only:
Only use a BabySmart™ compatible child
restraint for the front passenger seat in this
vehicle.
All
lap/shoulder belts except the driver’s seat
belt have special seat belt retractors for
secure fastening of child restraints.
To fasten a child restraint, follow the child
restraint manufacturer’s instructions for
mounting.
To activate the special seat belt retractor:
X Pull the shoulder belt out completely and
let it retract. Occupant safety
55
Safety and security
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Page 58 of 364
![MERCEDES-BENZ R320 2010 W251 Owners Manual During seat belt retraction, a ratcheting
sound can be heard to indicate that the
special seat belt retractor is activated.
The seat belt is now locked.
X Push down on child restraint to take up any
s MERCEDES-BENZ R320 2010 W251 Owners Manual During seat belt retraction, a ratcheting
sound can be heard to indicate that the
special seat belt retractor is activated.
The seat belt is now locked.
X Push down on child restraint to take up any
s](/img/4/3524/w960_3524-57.png)
During seat belt retraction, a ratcheting
sound can be heard to indicate that the
special seat belt retractor is activated.
The seat belt is now locked.
X Push down on child restraint to take up any
slack.
To deactivate the special seat belt retractor:
X Release the seat belt buckle and let the
seat belt retract completely.
The
seat belt can then again be used in the
usual manner.
To deactivate the special seat belt retractor
for the front passenger seat, the front
passenger
seat must be in the most backward
position. G
Warning!
Never release the seat belt buckle while the
vehicle
is in motion, since the special seat belt
retractor will be deactivated.
i Information on child seats with mounting
fittings for tether anchorages
(Y page 57).
For information on LATCH-type child seat
anchors (Y page 60).
The use of infant or child restraints is required
by law in all 50 states, the District of
Columbia, the U.S. territories and all
Canadian provinces.
Infants and small children should be seated
in an appropriate infant or child restraint
system. They must be properly secured in
accordance with the manufacturer’s
instructions for the child restraint. All infant
or child restraint systems must comply with
U.S. Federal Motor Vehicle Safety Standards
213 and 225 and Canadian Motor Vehicle
Safety Standards 213 and 210.2.
A statement by the child restraint
manufacturer of compliance with these
standards can be found on the instruction
label on the restraint and in the instruction
manual provided with the restraint. When using any infant restraint, toddler
restraint, or booster seat, make sure to
carefully read and follow all manufacturer’s
instructions for installation and use.
Please read and observe warning labels
affixed to the inside of the vehicle and to
infant or child restraints. G
Warning!
According to accident statistics, children are
safer when properly restrained in the rear
seating positions than in the front seating
position. Thus, we strongly recommend that
children
be placed in the rear seats whenever
possible. Regardless of seating position,
children 12 years old and under must be
seated and properly secured in an appropriate
infant restraint, toddler restraint, or booster
seat recommended for the size and weight of
the child.
The infant or child restraint must be properly
secured with the vehicle’s seat belt, the seat
belt and top tether strap, or lower anchors and
top tether strap, fully in accordance with the
child seat manufacturer’s instructions.
Occupants, especially children, should always
sit as upright as possible, wear the seat belt
properly and use an appropriately sized infant
restraint, toddler restraint, or booster seat
recommended for the size and weight of the
child.
Children can be killed or seriously injured by
an inflating air bag. Note the following
important information when circumstances
require you to place a child in the front
passenger seat:
R USA only: Your vehicle is equipped with air
bag technology designed to deactivate the
front passenger front air bag in your vehicle
when the system senses the weight of a
typical 12-month-old child or less along
with the weight of a standard appropriate
child restraint on the front passenger seat.
R USA only: For children larger than the
typical 12-month-old child, the front
passenger front air bag may or may not be 56
Occupant safety
Safety and security
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![MERCEDES-BENZ R320 2010 W251 Owners Manual Top tether straps enable an additional
connection to be made between child
restraint systems secured with LATCH-type
anchors and rear seats. This can further
reduce the risk of injury.
G
Observe Safet MERCEDES-BENZ R320 2010 W251 Owners Manual Top tether straps enable an additional
connection to be made between child
restraint systems secured with LATCH-type
anchors and rear seats. This can further
reduce the risk of injury.
G
Observe Safet](/img/4/3524/w960_3524-59.png)
Top tether straps enable an additional
connection to be made between child
restraint systems secured with LATCH-type
anchors and rear seats. This can further
reduce the risk of injury.
G
Observe Safety notes, see page 55.
Outboard second-row and third-row seats X
Press in lower part of anchorage ring
cover : on the seat backrest on which a
child seat is to be installed.
X Pull on upper part of anchorage ring
cover : to remove cover.
X Store anchorage ring cover : in a
convenient place (e.g. glove box).
X Move the respective head restraint to its
uppermost position ( Y page 88).
X Release the respective seat backrest
(Y page 84).
The seat backrest folds down.
X Guide the top tether strap between head
restraint and top of the seat backrest. X
Securely fasten hook =, which is part of
the tether strap ?, to anchorage ring ;. i
For safety, make sure hook = is attached
to anchorage ring ; beyond the safety
catch, as illustrated.
Make sure
R top tether strap ? is not twisted
R the head restraint is installed and
positioned such that top tether strap ?
can pass freely between the head restraint
and top of the seat backrest
R top tether strap ? is positioned between
the seat backrest and the cargo
compartment cover blind (if installed)
R top tether strap ? is positioned between
the seat backrest and the cargo net (if
installed) G
Warning!
When installing a child seat on a third-row
seat, do not fasten the hook to the strap below
the anchorage ring. Otherwise, the child seat
will not be securely fastened. A child’s risk of
serious or fatal injuries is significantly
increased if the child seat is not properly
secured in the vehicle.
X Fold seat backrest up and push backwards
until it engages audibly.
An outboard second-row seat is locked
properly only when the lock status
indicator is in hinged position and the red
marking is barely visible ( Y page 86).58
Occupant safetySafety and security
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![MERCEDES-BENZ R320 2010 W251 Owners Manual G
Warning!
After installing top tether straps, make sure
the seats are locked properly, the seat
backrests are in an upright position and they
are locked properly.
An outboard second-row seat is locke MERCEDES-BENZ R320 2010 W251 Owners Manual G
Warning!
After installing top tether straps, make sure
the seats are locked properly, the seat
backrests are in an upright position and they
are locked properly.
An outboard second-row seat is locke](/img/4/3524/w960_3524-60.png)
G
Warning!
After installing top tether straps, make sure
the seats are locked properly, the seat
backrests are in an upright position and they
are locked properly.
An outboard second-row seat is locked
properly only when the lock status indicator
is in hinged position and the red marking is
barely visible.
If a seat and seat backrest are not locked
properly, the seat could move forward and the
seat backrest could fold. The child seat would
no longer be supported properly or positioned
to provide its intended benefit. That could
cause serious or even fatal injuries.
X Lower the head restraint if necessary
(Y page 88).
Make sure top tether strap ? can pass
freely between the head restraint and top
of the seat backrest.
X Install the child restraint system and
tighten top tether strap ? according to the
child restraint manufacturer’s instructions.
After removing the child restraint system and
top tether strap ?:
X Reinstall anchorage ring cover :.
Second-row middle seat G
Warning!
Only install a child seat in the second-row
middle seat position if the outboard seat belt
buckle is not obstructed or overlapped by the
child seat. Not all child seats, including some
Mercedes-Benz approved child seats, can be
used in this seating position. Contact an
authorized Mercedes-Benz Center for more
information.
Do not use the LATCH anchors or seat belt
buckle for the outboard seats in conjunction
with a child seat in the second-row middle
seat position. Child seats in the middle
seating position must only be secured by the
middle seat position seat belt inserted into the seat belt buckle for the second-row
middle seat.
G
Warning!
Please be aware that installation of a child
seat in the second-row middle seat position
can prevent the folding forward of the
outboard second-row seats which can
obstruct access to and exit from the third-row
seats. In case of an accident it will be difficult
for occupants of the third-row seats to leave
the vehicle. Serious injuries could result.
Install a child seat in one of the outboard
seating positions according to the installation
instructions if access to the third-row seats is
required.
X Move the head restraint to its uppermost
position (Y page 88). X
Pull seat backrest release strap : in the
direction of arrow. Occupant safety
59Safety and security
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![MERCEDES-BENZ R320 2010 W251 Owners Manual X
Fold seat backrest ; forward to seat
cushion = as far as necessary for you to
access anchorage ring ?. X
Guide top tether strap B between head
restraint and top of the seat backrest.
X Securely fas MERCEDES-BENZ R320 2010 W251 Owners Manual X
Fold seat backrest ; forward to seat
cushion = as far as necessary for you to
access anchorage ring ?. X
Guide top tether strap B between head
restraint and top of the seat backrest.
X Securely fas](/img/4/3524/w960_3524-61.png)
X
Fold seat backrest ; forward to seat
cushion = as far as necessary for you to
access anchorage ring ?. X
Guide top tether strap B between head
restraint and top of the seat backrest.
X Securely fasten hook A, which is part of
top tether strap B, to anchorage ring ?.
Make sure
R top tether strap B is not twisted
R the head restraint is installed and
positioned such that top tether strap B
can pass freely between the head restraint
and top of the seat backrest
R top tether strap B is positioned between
the seat backrest and the cargo
compartment cover blind (if installed)
R top tether strap B is positioned between
the seat backrest and the cargo net (if
installed)
i For safety, make sure hook A is attached
to anchorage ring ? beyond the safety
catch, as illustrated.
X Fold seat backrest up and push backwards
until it engages audibly. G
Warning!
After installing the top tether strap, make sure
the seat backrest is in an upright position and
is locked properly.
If the seat backrest is not locked properly, the
seat backrest could fold. The child seat would no longer be supported properly or positioned
to provide its intended benefit. That could
cause serious or even fatal injuries.
X Lower the head restraint if necessary
(Y page 88).
Make sure top tether strap B can pass
freely between the head restraint and top
of the seat backrest.
X Install the child restraint system and
tighten top tether strap B according to the
child restraint manufacturer’s instructions.
Child seat anchors – LATCH-type G
Observe Safety notes, see page 55. G
Warning!
Children too big for a toddler restraint must
ride in seats using regular seat belts. Position
shoulder belt across chest and shoulder, not
face or neck.
A booster seat may be necessary to achieve
proper seat belt positioning for children over
41 lb (18 kg) until they reach a height where
a lap/shoulder belt fits properly without a
booster.
Install child seat according to manufacturer’s
instructions.
The child seat must be firmly attached to both
anchors.
An incorrectly mounted child seat may come
loose during an accident which could result in
serious injury or death to the child.
Damaged or impact damaged child seats or
child seat mounting fittings must be replaced.
Each of the outboard second-row seats and
third-row seats has two LATCH-type anchors
for the installation of a LATCH-type child seat
with matching mounting fittings.
Non-LATCH-type child seats may also be used
and can be installed using the vehicle’s seat
belt system. Install child seat according to the
manufacturer’s instructions. 60
Occupant safetySafety and security
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