window MERCEDES-BENZ R-Class 2012 W251 Owner's Manual

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In this Operator's Manual, you will find the
following symbols:GWARNING
Warning notes draw your attention to hazards
that endanger your health or life, or the health
or life of others.
! These warning notes draw your attention
to hazards that could cause damage to your
vehicle.
i This symbol indicates useful instructions
or further information that could be helpful
to you.XThis symbol designates an
instruction you must follow.XSeveral consecutive symbols
indicate an instruction with several
steps.Y PageThis symbol tells you where you
can find further information on a
topic.YYThis symbol indicates a warning or
an instruction that is continued on
the next page.DisplayThis font indicates a display
message in the multifunction
display/COMAND display.
Parts of the software in the vehicle are
subject to copyright according to ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.

1, 2, 3 ...
115 V socket ...................................... 268
12 V socket see Sockets
4ETS (Electronic Traction System) .... 66
A
ABS (Anti-lock Braking System) Display message ............................ 214
Function/notes ................................ 65
Important safety notes ....................65
Warning lamp ................................. 240
Activating/deactivating cooling
with air dehumidification ................. 135
Active service system PLUS see ASSYST PLUS service interval
display
Adaptive Damping System (ADS) ..... 181
Additives (engine oil) ........................ 358
Adjusting the armrest (2nd row of
seats) .................................................. 102
ADS (Adaptive Damping System) ..... 181
Air bags Display message ............................ 220
Front air bag (driver, front
passenger) ....................................... 42
Important safety notes ....................40
Safety guidelines ............................. 39
Side impact air bag ..........................42
Window curtain air bag ....................43
Air-conditioning system
see Climate control
Air filter (display message) .............. 228
AIRMATIC (display message) ............ 229
AIRMATIC package ............................ 180
Air pressure see Tire pressure
Air vents
Important safety notes ..................141
Rear ............................................... 142
Setting ........................................... 141
Setting the center air vents ...........141
Setting the side air vents ...............141
Alarm system
see ATA (Anti-Theft Alarm system)
Anti-lock Braking System
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Anti-theft system
ATA (Anti-Theft Alarm system) .........69
Ashtray ............................................... 265
ASSYST PLUS see ASSYST PLUS service interval
display
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................69
Function ........................................... 69
Switching off the alarm ....................69
Audio menu (on-board computer) .... 203
Audio system see separate operating instructions
Authorized Mercedes-Benz Center
see Qualified specialist workshop
AUTO lights
Display message ............................ 225
see Lights
Automatic headlamp mode .............. 115
Automatic transmission Automatic drive program ...............154
Changing gear ............................... 152
DIRECT SELECT lever .....................150
Display message ............................ 234
Driving tips .................................... 153
Emergency running mode ..............156
Kickdown ....................................... 153
Problem (malfunction) ...................156
Program selector button ................153
Pulling away ................................... 147
Shift ranges ................................... 154
Starting the engine ........................146
Steering wheel paddle shifters ......153
Trailer towing ................................. 153
Transmission position display ........151
Transmission positions ..................152
Automatic transmission
emergency mode ............................... 1564Index

B
Back support see Lumbar support
Backup lamp
Changing bulbs .............................. 123
Display message ............................ 224
BAS (Brake Assist System) ................. 65
Basic settings see Settings
Battery (key)
Checking .......................................... 76
Battery (SmartKey)
Important safety notes ....................76
Replacing ......................................... 76
Battery (vehicle)
Charging ........................................ 312
Display message ............................ 227
Important safety notes ..................310
Jump starting ................................. 313
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating .................210
Display message ............................ 230
Notes/function .............................. 189
Trailer towing ................................. 191
BlueTEC
Adding DEF .................................... 161
BlueTEC (DEF) .................................... 357
Brake Assist System see BAS (Brake Assist System)
Brake fluid
Display message ............................ 217
Notes ............................................. 359
Brake fluid level ................................ 286
Brake lamps Display message ............................ 223
Brakes
ABS .................................................. 65
BAS .................................................. 65
Brake fluid (notes) .........................359
Display message ............................ 214
Driving tips .................................... 166
Important safety notes ..................166
Maintenance .................................. 167
Parking brake ........................ 164, 168
Warning lamp ................................. 239Breakdown
see Flat tire
see Towing away
Bulbs
see Changing bulbs
C
California Important notice for retail
customers and lessees ....................22
Calling up a malfunction
see Display messages
Capacities
see Technical data
Car
see Vehicle
Care
Carpets .......................................... 294
Car wash ........................................ 288
Display ........................................... 292
Exterior lights ................................ 291
Gear or selector lever ....................293
Matte finish ................................... 290
Notes ............................................. 287
Paint .............................................. 290
Plastic trim .................................... 292
Power washer ................................ 289
Rear view camera .......................... 292
Roof lining ...................................... 294
Seat belt ........................................ 293
Seat cover ..................................... 293
Sensors ......................................... 291
Steering wheel ............................... 293
Tail pipes ....................................... 292
Trim pieces .................................... 293
Washing by hand ........................... 289
Wheels ........................................... 289
Windows ........................................ 291
Wiper blades .................................. 291
Wooden trim .................................. 293
Cargo compartment cover
Extending ....................................... 260
Notes/how to use .........................258
Cargo compartment enlargement
Full ................................................. 253
Important safety notes ..................253
Partial ............................................ 253
Index5

Cargo compartment floor ................. 296
Cargo net Attaching ....................................... 261
Important safety information .........260
Cargo tie down rings ......................... 257
Car wash (care) ................................. 288
CD player/CD changer (on-board
computer) .......................................... 203
Cell phone see Mobile phone
Center console
2nd row of seats ............................ 251
Lower section .................................. 33
Upper section .................................. 32
Central locking
Automatic locking (on-board
computer) ...................................... 208
Locking/unlocking (SmartKey) ........72
Changing bulbs
High-beam headlamps ...................122
Important safety notes ..................119
License plate lighting .....................124
Low-beam headlamps ....................121
Overview of bulb types ..................120
Parking lamps ................................ 122
Removing/replacing the cover
(front wheel arch) .......................... 121
Reversing lamps ............................ 123
Side marker lamps .........................123
Standing lamps (front) ...................122
Turn signals (front) ......................... 122
Child-proof locks
Important safety notes ....................63
Rear doors ....................................... 63
Children
In the vehicle ................................... 56
Restraint systems ............................ 56
Child seat
LATCH-type (ISOFIX ) child seat
anchors ............................................ 58
Special seat belt retractor ...............58
Top Tether ....................................... 60
Cigarette lighter ................................ 266
Classification system for
occupants (OCS) Faults ............................................... 48
Operation ......................................... 44
System self-test ............................... 47Climate control
Automatic climate control (3-
zone) .............................................. 132
Controlling automatically ...............136
Cooling with air dehumidification ..135
Defrosting the windshield ..............138
Demisting the windows .................. 139
Dual-zone automatic climate
control ........................................... 131
Important safety notes ..................130
Indicator lamp ................................ 136
Notes on using automatic climate
control ................................... 131, 134
Overview of systems ......................130
Problems with cooling with air
dehumidification ............................ 136
Problem with the rear window
defroster ........................................ 139
Rear control panel .........................132
Refrigerant ..................................... 359
Setting the air distribution .............138
Setting the airflow .........................138
Setting the air vents ......................141
Setting the temperature ................137
Switching air-recirculation mode
on/off ............................................ 140
Switching on/off ........................... 134
Switching residual heat on/off ......140
Switching the MONO function on/
off .................................................. 138
Switching the rear window
heating on/off ............................... 139
Clock (on-board computer) ............... 206
Cockpit Overview .......................................... 28
see Instrument cluster
Collapsible spare wheel
Inflating ......................................... 307
see Emergency spare wheel
COMAND
see separate operating instructions
Combination switch .......................... 117
Compass Calling up ....................................... 278
Consumption statistics (on-board
computer) .......................................... 210
Convenience closing feature .............. 88
Convenience opening feature ............ 876Index

Convenience submenu ..................209
Displaying a service message ........287
Displaying the coolant
temperature ................................... 202
Displaying the outside
temperature ................................... 202
Display messages ..........................213
DISTRONIC menu .......................... 178
Factory settings ............................. 205
Important safety notes ..................198
Instrument cluster submenu ..........205
Lighting submenu .......................... 206
Menu overview .............................. 201
Message memory menu ................. 213
Navigation menu ............................ 204
Operating video DVD .....................204
Operation ....................................... 199
Selecting the language ..................206
Settings menu ............................... 205
Standard display ............................ 202
Status bar ...................................... 206
Telephone menu ............................ 211
Time/Date submenu .....................206
Trip computer menu ......................210
Vehicle submenu ........................... 208
Opening and closing the side trim
panels ................................................. 123
Operating system see On-board computer
Outside temperature
Calling up (on-board computer) .....202
Display ........................................... 198
Overhead control panel ...................... 34
Override feature Rear side windows ...........................63
P
Paint code number ............................ 353
Paintwork (cleaning instructions) ... 290
Panic alarm .......................................... 64
Panorama roof with power tilt/
sliding panel Opening/closing .............................. 91
Opening/closing the roller
sunblind ........................................... 91
Problem (malfunction) .....................92
Resetting ......................................... 92
Panorama sliding sunroof
Important safety notes ....................89
Parking
Important safety notes ..................163
Parking brake ................................ 164
Position of exterior mirror, front-
passenger side ............................... 111
Rear view camera .......................... 187
see Parking
see PARKTRONIC
Parking aid
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 217
Notes/function .............................. 164
see Parking brake
Parking lamps (changing bulbs) ...... 122
PARKTRONIC Deactivating/activating .................186
Driving system ............................... 184
Function/notes ............................. 184
Problem (malfunction) ...................187
Range of the sensors .....................184
Trailer towing ................................. 186
Warning display ............................. 185
Pedals ................................................. 165
Permanent four-wheel drive see 4MATIC (permanent four-
wheel drive)
Plastic trim (cleaning instructions) . 292
Power washers .................................. 289
Power windows see Side windows
PRE-SAFE ®
(Preventive occupant
safety system) Display message ............................ 218
Operation ......................................... 49
PRE-SAFE ®
Brake (vehicles with
DISTRONIC PLUS) Warning lamp ................................. 245
Preventive occupant safety
system
see PRE-SAFE ®
(Preventive
occupant safety system)
Product information ............................ 21
Program selector button .................. 153Index13

Pulling away (automatic
transmission) ..................................... 147
Q
Qualified specialist workshop ........... 24
R
Radar sensor system Activating/deactivating .................208
Radiator cover ................................... 283
Radio Selecting a station .........................203
see separate operating instructions
Radio-controlled devices
(installing) .......................................... 279
Reading lamp ..................................... 118
Rear axle level control ...................... 180
Rear bench seat Folding forwards/back ..................253
Rear compartment
Activating/deactivating climate
control ........................................... 134
Setting the air vents ......................142
Setting the temperature ................137
Rear-compartment seat
see Rear seat
Rear fog lamp
Display message ............................ 224
Switching on/off ........................... 116
Rear lamps
see Lights
Rear seat
Adjusting ....................................... 101
Rear view camera
Cleaning instructions .....................292
Function/notes ............................. 187
Rear-view mirror
Anti-glare (manual) ........................109
Dipping (automatic) .......................111
Rear window defroster
Problem (malfunction) ...................139
Rear window heating
Switching on/off ........................... 139
Rear window wiper
Replacing the wiper blade .............. 126
Switching on/off ........................... 125
Refueling
Fuel gauge ....................................... 29
Important safety notes ..................156
Refueling process ..........................158
see Fuel
Remote control
Garage door opener .......................275
Reporting
Malfunctions relevant to safety ........ 24
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 228
Warning lamp ................................. 244
see Fuel
Reset button ........................................ 29
Residual heat (climate control) ........ 140
Restraint system see SRS (Supplemental Restraint
System)
Roadside Assistance (breakdown) .... 22
Roller blind see Roller sunblind
Roller sunblind
Panorama roof with power tilt/
sliding panel ..................................... 91
Rear side windows .........................265
Roof carrier ........................................ 262
Roof lining and carpets (cleaning
guidelines) ......................................... 294
Roof load (maximum) see Technical data
Route
see Route guidance (navigation)
Route guidance (navigation) ............ 204
S
Safety Children in the vehicle .....................56
Child restraint systems ....................56
Occupant Classification System
(OCS) ............................................... 44
Overview of occupant safety
systems ........................................... 38
Safety systems
see Driving safety systems
14Index

SeatFolding down the 2nd row of
seats .............................................. 254
Important safety notes ....................97
Resetting the 2nd row of seats ......256
Resetting the 3rd row of seats ....... 256
Seat belts
Adjusting the driver's and front-
passenger seat belt .........................54
Adjusting the height ......................... 54
Belt force limiters ............................ 55
Cleaning ......................................... 293
Correct usage .................................. 52
Emergency Tensioning Devices ........ 55
Fastening ......................................... 53
Important safety guidelines .............51
Releasing ......................................... 54
Safety guidelines ............................. 39
Special seat belt retractor ...............58
Switching belt adjustment on/off
(on-board computer) ......................209
Warning lamp ................................. 238
Warning lamp (function) ................... 54
Seats
Adjusting (electrically) .....................98
Adjusting (second and third rows) . 101
Adjusting the 4-way lumbar
support .......................................... 105
Adjusting the head restraint ............99
Cleaning the cover .........................293
Correct driver's seat position ........... 96
Folding down the 3rd row of seats . 255
Folding the rear bench seat
forwards/back ............................... 253
Multicontour seat .......................... 105
Seat heating problem ....................106
Seat ventilation problem ................107
Storing settings (memory
function) ........................................ 112
Switching seat heating on/off .......106
Switching the seat ventilation on/
off .................................................. 106
Securing hooks .................................. 258
Sensors (cleaning instructions) ....... 291
Service see ASSYST PLUS service interval
display Service interval display
Displaying service messages .........287
Hiding service messages ...............287
Notes ............................................. 287
Service messages ..........................287
Service products
Brake fluid ..................................... 359
Capacities ...................................... 355
Coolant (engine) ............................ 359
DEF special additives .....................357
Engine oil ....................................... 358
Fuel ................................................ 356
Important safety notes ..................354
Refrigerant (air-conditioning
system) .......................................... 359
Washer fluid ................................... 360
Settings
Factory (on-board computer) .........205
On-board computer .......................205
Setting the air distribution ............... 138
Setting the airflow ............................ 138
Side impact air bag ............................. 42
Side marker lamp (display
message) ............................................ 224
Side marker lamps (changing
bulbs) ................................................. 123
Side windows Convenience closing feature ............88
Convenience opening feature ..........87
Hinged side windows .......................87
Important safety information ...........86
Opening/closing .............................. 86
Problem (malfunction) .....................89
Resetting ......................................... 89
Sliding sunroof
Important safety notes ....................89
Opening/closing .............................. 90
Problem (malfunction) .....................92
Resetting ......................................... 90
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................76
Changing the programming .............75
Checking the battery .......................76
Convenience closing feature ............88
Convenience opening feature ..........87
Display message ............................ 236Index15

U
Unlocking Emergency unlocking .......................81
From inside the vehicle (central
unlocking button) ............................. 80
V
Vanity mirror (in sun visor) .............. 265
Vehicle Correct use ...................................... 24
Data acquisition ............................... 25
Display message ............................ 234
Equipment ....................................... 21
Individual settings ..........................205
Limited Warranty ............................. 25
Loading .......................................... 333
Locking (in an emergency) ...............81
Locking (SmartKey) .......................... 73
Lowering ........................................ 309
Maintenance .................................... 22
Parking for a long period ................ 164
Pulling away ................................... 147
Raising ........................................... 305
Reporting problems .........................24
Towing away .................................. 315
Transporting .................................. 316
Unlocking (in an emergency) ...........81
Unlocking (SmartKey) ......................73
Vehicle battery
see Battery (vehicle)
Vehicle dimensions
see Technical data
Vehicle emergency locking ................ 81
Vehicle identification number see VIN
Vehicle identification plate .............. 353
Vehicle level (display message) ....... 229
Vehicle tool kit .................................. 296
Vehicle weights see Technical data
Video (DVD) ........................................ 204
Video DVD (on-board computer) ...... 204
VIN ...................................................... 353
W
Warning and indicator lamps ABS ................................................ 240
Brakes ........................................... 239
Check Engine ................................. 244
Cruise control ................................ 171
Distance warning ........................... 245
ESP ®
.............................................. 241
ESP ®
OFF ....................................... 242
Fuel tank ........................................ 244
LIM (DISTRONIC) ........................... 175
Overview .......................................... 30
Reserve fuel ................................... 244
Seat belt ........................................ 238
SRS ................................................ 243
Tire pressure monitor ....................245
Warranty ............................................ 352
Washer fluid Display message ............................ 236
see Windshield washer system
Weight
see Technical data
Wheel bolt tightening torque ........... 309
Wheel chock ...................................... 304
Wheels Changing/replacing .......................346
Changing a wheel .......................... 303
Checking ........................................ 323
Cleaning ......................................... 289
Important safety notes ..................322
Mounting a wheel .......................... 307
Removing a wheel ..........................306
Storing ........................................... 347
Tightening torque ........................... 309
Wheel size/tire size .......................347
Window curtain air bag ....................... 43
Windows Cleaning ......................................... 291
see Side windows
Windshield
Defrosting ...................................... 138
Infrared reflective .......................... 279
Windshield washer system .............. 285
Notes ............................................. 360
Windshield wipers
Problem (malfunction) ...................126
Rear window wiper ........................125Index19

Replacing the wiper blades ............125
Switching on/off ........................... 124
Winter driving
Important safety notes ..................324
Slippery road surfaces ...................170
Snow chains .......................... 169, 325
Winter operation
Radiator cover ............................... 283
Winter tires
M+S tires ............................... 169, 324
Wiper blades
Cleaning ......................................... 291
Important safety notes ..................125
Replacing (rear window) ................126
Replacing (windshield) ...................126
Wooden trim (cleaning
instructions) ...................................... 29320Index

Door control panelFunctionPage:Opens the door80;%& Unlocks/locks
the vehicle
80
=7 Adjusts the exterior
mirrors
110
?Z ö\ Selects the
exterior mirror, electrically
folds the exterior mirrors
in/out
110
AW Opens/closes the
side windows
86
Bn Activates/
deactivates the override
feature for the side
windows in the rear
compartment
63
C± Opens/closes the
hinged power side windows
87
Dq Opens/closes the
tailgate
84
Door control panel35At a glance