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

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

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

Coolant (engine)Checking the level .........................285
Display message ............................ 225
Notes ............................................. 359
Temperature gauge ........................ 202
Cooling
see Climate control
Crash-responsive emergency
lighting ............................................... 119
Cruise control Cruise control lever .......................171
Deactivating ................................... 172
Display message ............................ 230
Driving system ............................... 170
Function/notes ............................. 170
Important safety notes ..................170
LIM indicator lamp .........................171
Setting a speed .............................. 172
Storing and maintaining current
speed ............................................. 171
Cup holder
Center console .............................. 263
Important safety notes ..................262
second row of seats ....................... 263
Second row of seats (armrest) .......264
third row of seats ........................... 264
Customer Assistance Center (CAC) ... 24
Customer Relations Department ....... 24
D
Dashboard see Cockpit
Date (on-board computer) ................ 206
Daytime running lamp mode see Daytime running lamps
Daytime running lamps
Display message ............................ 224
Switching on/off (on-board
computer) ...................................... 206
Switching on/off (switch) ..............115
DEF
Adding ........................................... 161
Display message ............................ 228
Delayed switch-off
Exterior lighting (on-board
computer) ...................................... 207
Interior lighting .............................. 208
Diesel particle filter .......................... 166
Digital speedometer Displaying ...................................... 202
Setting the unit (on-board
computer) ...................................... 205
DIRECT SELECT lever
see Automatic transmission
Display (cleaning instructions) ........ 292
Display messages Calling up (on-board computer) .....213
Driving systems ............................. 229
Engine ............................................ 225
General notes ................................ 213
Hiding (on-board computer) ...........213
Key ................................................ 236
KEYLESS-GO .................................. 236
Lights ............................................. 222
Safety systems .............................. 214
Service interval display ..................287
Tires ............................................... 231
Vehicle ........................................... 234
Distance recorder ............................. 202
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 245
Distance warning function
(vehicles with DISTRONIC) Activating/deactivating (on-
board computer) ............................ 210
Notes ............................................... 68
DISTRONIC
Deactivating ................................... 178
Display message ............................ 230
Displays in the multifunction
display ........................................... 178
Driving tips .................................... 179
Important safety notes ..................173
Notes/function .............................. 173
Setting the specified minimum
distance ......................................... 177
Warning lamp ................................. 245
Door
Central locking/unlocking (key) ......72
Control panel ................................... 35
Important safety notes ....................79Index7

DoorsAutomatic locking (on-board
computer) ...................................... 208
Automatic locking (switch) ............... 80
Display message ............................ 235
Emergency locking ........................... 81
Emergency unlocking .......................81
Opening (from inside) ......................80
Drinking and driving ......................... 165
Drinks holder see Cup holders
Drive program (automatic) ............... 154
Driver's door see Doors
Driver's seat
see Seats
Driving abroad
Mercedes-Benz Service .................287
Symmetrical low beam ..................114
Driving on flooded roads .................. 168
Driving safety systems 4ETS (Electronic Traction System) ...66
ABS (Anti-lock Braking System) .......65
BAS (Brake Assist System) ..............65
Distance warning system
(vehicles with DISTRONIC) ...............68
Electronic brake force distribution ...68
ESP ®
(Electronic Stability
Program) .......................................... 66
Important safety information ...........64
Overview .......................................... 64
Driving systems
Blind Spot Assist ............................ 189
Cruise control ................................ 170
Display message ............................ 229
DISTRONIC .................................... 173
Level control .................................. 181
PARKTRONIC ................................. 184
Rear axle level control ...................180
Rear view camera .......................... 187
Driving tips
Automatic transmission .................153
Brakes ........................................... 166
Break-in period .............................. 144
DISTRONIC .................................... 179
Downhill gradient ........................... 166
Drinking and driving .......................165Driving abroad ............................... 114
Driving on flooded roads ................168
Driving on wet roads ......................168
Exhaust check ............................... 166
Fuel ................................................ 165
General .......................................... 165
Hydroplaning ................................. 168
Icy road surfaces ........................... 170
Limited braking efficiency on
salted roads ................................... 167
Pedals ............................................ 165
Snow chains .......................... 169, 325
Symmetrical low beam ..................114
Towing a trailer .............................. 191
Wet road surface ........................... 167
DVD audio (on-board computer) ...... 203
E
EASY-ENTRY feature 3rd row of seats ............................. 103
Activating/deactivating .................209
Function/notes ............................. 108
EASY-EXIT feature
3rd row of seats ............................. 103
Crash-responsive ........................... 109
Function/notes ............................. 108
Switching on/off ........................... 209
EBD (electronic brake force
distribution) Display message ............................ 216
Function/notes ................................ 68
Electrical fuses
see Fuses
Electronic Brake force Distribution
see EBD (Electronic Brake force
Distribution)
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Electronic Traction System
see ETS/4ETS (Electronic
Traction System)
Emergency release
Driver's door .................................... 81
Fuel filler flap ................................. 158
Vehicle ............................................. 81
8Index

Emergency spare wheelStorage location ............................ 297
Stowing .......................................... 298
Emergency Tensioning Devices
Function ........................................... 55
Safety guidelines ............................. 39
Emissions purification
Service and warranty information ....21
Engine
Check Engine warning lamp ........... 244
Display message ............................ 225
Emergency starting ........................317
Engine number ............................... 354
Irregular running ............................ 149
Starting problems ..........................149
Starting the engine with the
SmartKey ....................................... 146
Starting with KEYLESS-GO .............147
Switching off .................................. 163
Engine electronics
Problem (malfunction) ...................149
Engine emergency stop .................... 319
Engine oil Adding ........................................... 284
Additives ........................................ 358
Checking the oil level ..................... 283
Display message ............................ 227
Filling capacity ............................... 355
Notes about oil grades ................... 358
Notes on oil level/consumption ....283
Viscosity ........................................ 359
ESP ®
(Electronic Stability
Program) 4ETS ................................................ 66
Deactivating/activating ...................66
Display message ............................ 214
Function/notes ................................ 66
Important safety information ...........66
Trailer stabilization ........................... 67
Warning lamp ................................. 241
Exhaust check ................................... 166
Exhaust tail pipe (cleaning
instructions) ...................................... 292
Exterior lighting see Lights Exterior mirrors
Adjusting ....................................... 110
Dipping (automatic) .......................111
Folding in/out (automatically) .......110
Folding in/out (electrically) ...........110
Folding in when locking (on-board
computer) ...................................... 209
Out of position (troubleshooting) ...111
Setting ........................................... 110
Storing settings (memory
function) ........................................ 112
Storing the parking position ..........111
F
Filler cap see Fuel filler flap
First-aid kit ......................................... 296
Flat tire Changing a wheel/mounting the
spare wheel ................................... 303
MOExtended run-flat system .........309
Preparing the vehicle .....................299
Raising the vehicle .........................305
TIREFIT kit ...................................... 299
see Emergency spare wheel
Floormat ............................................. 279
Front fog lamp Switching on/off ........................... 116
Front fog lamps ................................. 116
Display message ............................ 224
Front windshield
see Windshield
Fuel
Additives ........................................ 357
Calling up the range .......................211
Consumption statistics ..................210
Displaying the current
consumption .................................. 211
Driving tips .................................... 165
Fuel gauge ....................................... 29
Important safety notes ..................356
Premium-grade unleaded gasoline . 356
Problem (malfunction) ...................160
Refueling ........................................ 156
Specifications ................................ 356
Tank content/reserve fuel .............355
Index9

Fuel filler flapEmergency release ........................158
Opening/closing ............................ 158
Fuel filter (display message) ............ 228
Fuel level Calling up the range (on-board
computer) ...................................... 211
Fuel tank
Capacity ........................................ 355
Problem (malfunction) ...................160
Fuse allocation chart (vehicle tool
kit) ...................................................... 296
Fuses Allocation chart ............................. 317
Before changing ............................. 317
Dashboard fuse box .......................318
Engine emergency stop .................319
Fuse box in the cargo
compartment ................................. 318
Fuse box in the engine
compartment ................................. 318
Important safety notes ..................317
G
Garage door opener Clearing the memory .....................278
Notes ............................................. 275
Opening/closing the garage door ..278
Programming (button in the rear-
view mirror) ................................... 276
Gasoline ............................................. 157
Gear or selector lever (cleaning
guidelines) ......................................... 293
Genuine Mercedes-Benz parts ......... 352
Glove box ........................................... 249
GTW (Gross Trailer Weight)
(definition) ......................................... 344
H
Handbrake see Parking brake
Hazard warning lamps ...................... 117
Headlamp cleaning system Notes ............................................. 360
Headlamp delayed switch-off
see Exterior lighting delayed switch-off
Headlamps
Adding fluid to cleaning system .....285
Cleaning system (function) ............117
Misting up ...................................... 118
see Automatic headlamp mode
Head restraints
Adjusting ......................................... 99
Adjusting (electrically) .....................99
Adjusting (manually) ........................99
Adjusting (rear) .............................. 100
Installing/removing (rear) ..............100
Luxury .............................................. 99
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 122
Display message ............................ 223
Switching on/off ........................... 117
Hill start assist .................................. 147
Hood Closing ........................................... 283
Display message ............................ 235
Opening ......................................... 282
Hydroplaning ..................................... 168
I
Ignition lock see SmartKey positions
Immobilizer .......................................... 68
Indicator and warning lamps DISTRONIC .................................... 245
Indicator lamps
see Warning and indicator lamps
Insect protection on the radiator .... 283
Instrument cluster Overview .......................................... 29
Selecting the language (on-board
computer) ...................................... 206
Settings ......................................... 205
Warning and indicator lamps ...........30
Instrument cluster lighting ................ 29
Instrument lighting see Instrument cluster lighting
Interior lighting
Automatic control ..........................119
10Index

Delayed switch-off (on-board
computer) ...................................... 208
Emergency lighting ........................119
Manual control ............................... 119
Overview ........................................ 118
Reading lamp ................................. 118
see Interior lighting
J
Jack Storage location ............................ 296
Using ............................................. 305
Jump starting (engine) ...................... 313
K
Key see SmartKey
KEYLESS-GO
Convenience closing feature ............88
Display message ............................ 236
Locking ............................................ 73
Start/Stop button .......................... 145
Starting the engine ........................147
Unlocking ......................................... 73
Key positions
KEYLESS-GO .................................. 145
SmartKey ....................................... 145
Kickdown ........................................... 153
L
Lamps see Warning and indicator lamps
Lane-change assistant
see Blind Spot Assist
Language (on-board computer) ........ 206
LATCH-type (ISOFIX) child seat
anchors ................................................ 58
Level control (display message) ...... 229
License plate lamp Changing bulbs .............................. 124
Display message ............................ 223
Lighting
see Lights
Lights
Activating/deactivating the
exterior lighting delayed switch-
off .................................................. 207
Activating/deactivating the
interior lighting delayed switch-off . 208
Automatic headlamp mode ............115
Display message ............................ 222
Driving abroad ............................... 114
Fog lamps ...................................... 116
Hazard warning lamps ...................117
High beam flasher .......................... 117
High-beam headlamps ...................117
Light switch ................................... 114
Low-beam headlamps ....................115
Parking lamps ................................ 114
Rear fog lamp ................................ 116
Switching the daytime running
lamps on/off (on-board
computer) ...................................... 206
Switching the daytime running
lamps on/off (switch) ....................115
Switching the surround lighting
on/off (on-board computer) ..........207
Turn signals ................................... 117
see Changing bulbs
see Interior lighting
Light sensor (display message) ....... 225
LIM indicator lamp Cruise control ................................ 171
DISTRONIC .................................... 175
Loading guidelines ............................ 248
Locking see Central locking
Locking (doors)
Automatic ........................................ 80
Emergency locking ........................... 81
From inside (central locking
button) ............................................. 80
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 208
Low-beam headlamps Changing bulbs .............................. 121
Display message ............................ 222Index11

Setting for driving abroad
(symmetrical) ................................. 114
Switching on/off ........................... 115
Luggage net ....................................... 251
Lumbar support Adjusting the 4-way lumbar
support .......................................... 105
Luxury head restraints ....................... 99
M
M+S tires ................................... 169, 324
Maintenance see ASSYST PLUS service interval
display
Malfunction message
see Display messages
Malfunctions relevant to safety
Reporting ......................................... 24
Matte finish (cleaning
instructions) ...................................... 290
mbrace Call priority .................................... 273
Display message ............................ 218
Downloading destinations
(COMAND) ..................................... 273
Emergency call .............................. 270
Important safety notes ..................269
Locating a stolen vehicle ...............275
MB info call button ........................272
Roadside Assistance button ..........272
Search & Send ............................... 274
Self-test ......................................... 270
System .......................................... 270
Vehicle remote unlocking ..............274
Mechanical key
Function/notes ................................ 75
Unlocking the driver's door ..............81
Memory card (audio) ......................... 203
Memory function ............................... 112
Messages see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror
Mobile phone
Menu (on-board computer) ............211
Modifying the programming
(SmartKey) ........................................... 75
MOExtended run-flat system ........... 309
MP3 Operating ....................................... 203
see separate operating instructions
Multicontour seat .............................. 105
Multifunction display ........................ 200
Multifunction steering wheel Operating the on-board computer . 199
Overview .......................................... 31
N
Navigation Menu (on-board computer) ............204
On-board computer .......................204
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 49
Resetting after being triggered ........50
NECK-PRO luxury head restraints
Operation ......................................... 49
Resetting after being triggered ........50
Notes on breaking-in a new
vehicle ................................................ 144
O
Occupant Classification System
(OCS) Faults ............................................... 48
Operation ......................................... 44
System self-test ............................... 47
Occupant safety
Children in the vehicle .....................56
System overview .............................. 38
Octane number (fuel) ........................ 356
Odometer ........................................... 202
see Trip odometer
Off-road system
4MATIC .......................................... 183
Oil
see Engine oil
On-board computer
Additional functions menu .............210
AIRMATIC/compass menu ............204
Audio menu ................................... 203
12Index

Door central locking/unlocking .......72
Important safety notes ....................72
Loss ................................................. 78
Mechanical key ................................ 75
Positions (ignition lock) .................145
Problem (malfunction) .....................78
Starting the engine ........................146
Snow chains .............................. 169, 325
Sockets 2nd row of seats ............................ 268
Center console .............................. 268
Front-passenger footwell ...............268
Luggage compartment ...................268
Points to observe before use .........267
Spare wheel
Notes/data .................................... 349
Storage location ............................ 297
Stowing .......................................... 298
see Emergency spare wheel
Specialist workshop ............................ 24
Speed, controlling see Cruise control
Speedometer
Additional speedometer (on-
board computer) ............................ 202
In the Instrument cluster .................29
Segments ...................................... 199
Selecting the unit of
measurement ................................ 205
see Instrument cluster
SRS (Supplemental Restraint
System) Display message ............................ 218
Introduction ..................................... 38
Warning lamp ................................. 243
Warning lamp (function) ................... 38
Standing lamps
Changing bulbs .............................. 122
Display message ............................ 224
Switching on/off ........................... 114
Starting (engine) ................................ 146
Station see Radio
Steering (display message) .............. 235
Steering wheel Adjusting (electrically) ...................108
Adjusting (manually) ......................107
Button overview ............................... 31Buttons (on-board
computer) ...................................... 199
Important safety notes ..................107
Paddle shifters ............................... 153
Steering wheel heating ..................108
Storing settings (memory
function) ........................................ 112
Steering wheel (cleaning
instructions) ...................................... 293
Steering wheel heating Indicator lamp (malfunction) ..........108
Switching on/off ........................... 108
Steering wheel paddle shifters ........ 153
Stowage compartments 3rd row of seats ............................. 250
Armrest (under) ............................. 250
Center air vents (2nd row of
seats) ............................................. 250
Center console (2nd row of seats) . 250
Glove box ....................................... 249
Parcel net ...................................... 251
Stowage space
Center console .............................. 249
Cup holders ................................... 262
Important safety information .........248
Summer opening
see Convenience opening feature
Summer tires ..................................... 324
Sun visor ............................................ 264
Supplement Restraint System see SRS (Supplemental Restraint
System)
Surround lighting (on-board
computer) .......................................... 207
Switching air-recirculation mode
on/off ................................................. 140
Switching off the alarm (ATA) ............ 69
T
Tachometer ........................................ 198
Tailgate Display message ............................ 235
Important safety notes ....................81
Limiting the opening angle ...............85
Opening/closing (automatically
from inside) ...................................... 84
16Index

Opening/closing (automatically
from outside) ................................... 83
Opening/closing (from outside) .......82
Tail lamps
Display message ............................ 224
see Lights
Tank
see Fuel tank
Tank content
Fuel gauge ....................................... 29
Technical data
R 350 ............................................. 361
R 350 BlueTEC ............................... 360
Tires/wheels ................................. 347
TELEAID
Call priority .................................... 273
Display message ............................ 218
Downloading destinations
(COMAND) ..................................... 273
Emergency call .............................. 270
Important safety notes ..................269
Locating a stolen vehicle ...............275
MB info call button ........................272
Roadside Assistance button ..........272
Search & Send ............................... 274
Self-test ......................................... 270
System .......................................... 270
Vehicle remote unlocking ..............274
Telephone
Accepting a call ............................. 211
Display message ............................ 235
Menu (on-board computer) ............211
Number from the phone book ........ 212
Redialing ........................................ 212
Rejecting/ending a call .................212
Temperature
Coolant (on-board computer) ......... 202
Displaying the outside
temperature ................................... 202
Outside temperature ...................... 198
Setting (climate control) ................137
Theft deterrent locking system
Immobilizer ...................................... 68
Tilt/sliding sunroof
see Sliding sunroof
Time (on-board computer) ................ 206
TIREFIT kit .......................................... 299Tire pressure
Calling up (on-board computer) .....331
Checking manually ........................329
Display message ............................ 231
Maximum ....................................... 328
Notes ............................................. 327
Not reached (TIREFIT) ....................302
Pressure loss warning ....................329
Reached (TIREFIT) ..........................302
Recommended ............................... 325
Tire pressure monitoring system
Function/notes ............................. 331
Restarting ...................................... 333
Warning lamp ................................. 245
Tires
Aspect ratio (definition) .................345
Average weight of the vehicle
occupants (definition) ....................343
Bar (definition) ............................... 343
Characteristics .............................. 343
Checking ........................................ 323
Definition of terms .........................343
Direction of rotation ......................346
Display message ............................ 231
Distribution of the vehicle
occupants (definition) ....................346
DOT, Tire Identification Number
(TIN) ............................................... 342
DOT (Department of
Transportation) (definition) ............343
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 344
GTW (Gross Trailer Weight)
(definition) ..................................... 344
GVW (Gross Vehicle Weight)
(definition) ..................................... 344
GVWR (Gross Vehicle Weight
Rating) (definition) .........................344
Important safety notes ..................322
Increased vehicle weight due to
optional equipment (definition) ......343
Kilopascal (kPa) (definition) ...........344
Labeling (overview) ........................339
Load bearing index (definition) ......345
Load index ..................................... 342
Load index (definition) ...................344
Maximum loaded vehicle weight
(definition) ..................................... 344Index17