
1, 2, 3 ...
12-button multifunction steering
wheel Operating the on-board computer .228
Overview .......................................... 36
12 V socket
see Socket
4-button multifunction steering
wheel
Operating the on-board computer .225
Overview .......................................... 35
4ETS
see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 213A
ABS (Anti-lock Braking System) Display message (12-button mul-
tifunction steering wheel) ..............252
Display message (4-button multi-
function steering wheel) ................247
Function/notes ................................ 65
Important safety notes ....................65
Warning lamp ................................. 286
Activating/deactivating air-recir-
culation mode .................................... 135
Activating/deactivating cooling
with air dehumidification .................131
Active Blind Spot Assist Function/notes ............................. 207
Switching on/off (on-board com-
puter, 12-button multifunction
steering wheel) .............................. 237
Towing a trailer .............................. 210
Active Driving Assistance package .207
Active Lane Keeping Assist Display message (12-button mul-
tifunction steering wheel) ..............273
Function/notes ............................. 210
Switching on/off (on-board com-
puter, 12-button multifunction
steering wheel) .............................. 238
Towing a trailer ......................207, 213
Active light function .........................114Active Park Assist
Display message ............................ 273
Active Parking Assist
Important safety notes ..................192
Towing a trailer .............................. 196
Active Service System
see ASSYST PLUS
Adaptive brake lamps .........................67
Adaptive Highbeam Assist Display message (12-button mul-
tifunction steering wheel) ..............263
Function/notes ............................. 116
Adaptive Main-beam Assist
Switching on/off (on-board com-
puter) ............................................. 240
AdBlue ®
Display message (12-button mul-
tifunction steering wheel) ..............269
Display message (4-button multi-
function steering wheel) ................266
Filling capacity ............................... 369
Notes ............................................. 368
Service indicator ............................ 313
AdBlue ®
service indicator ................313
Additional speedometer ...................239
Additives (engine oil) ........................370
Adjusting the headlamp range .........112
Airbags Front airbag (driver, front
passenger) ....................................... 46
Important safety guidelines .............44
Kneebag .......................................... .46
Pelvis airbag .................................... 47
Sidebag ............................................ 47
Triggering ......................................... 43
Windowba g...................................... 48
Air-conditioning system
see Climate control
Air filter
Display message (12-button mul-
tifunction steering wheel) ..............268
Display message (4-button multi-
function steering wheel) ................265
Air pressure
see Tyre pressure 4
Index

Auxiliary heating
Activating/deactivating .................137
Activating/deactivating (on the
centre console) .............................. 137
Display message (12-button mul-
tifunction steering wheel) ..............280
Important safety notes ..................137
Problem (display message) ............141
Remote control .............................. 138
Setting (on-board computer, 12-
button multifunction steering
wheel) ............................................ 242
Setting the departure time ............. 139
Auxiliary ventilation
Activating/deactivating .................137
Activating/deactivating (on the
centre console) .............................. 137
Problem (display message) ............141
Remote control .............................. 138B
Bag hook ............................................ 300
Ball coupling Fitting ............................................ 217
Removing ....................................... 220
Storing ........................................... 220
BAS (Brake Assist System) .................66
BAS PLUS (Brake Assist System
PLUS) .................................................... 66
Battery (key) Checking .......................................... 79
Important safety notes ....................79
Replacing ......................................... 79
Battery (vehicle)
Charging ........................................ 339
Display message (12-button mul-
tifunction steering wheel) ..............268
Display message (4-button multi-
function steering wheel) ................265
Important safety notes ..................337
Jump starting ................................. 341
Belt
see Seat belt
Belt force limiters (activation) ...........43
Belt tensioner Activation ......................................... 43
Function .......................................... .53Blinds
see Roller sunblind
Blind Spot Assist
Activating/deactivating .................237
Notes/function .............................. 203
Trailer towing ................................. 205
see Active Blind Spot Assist
BlueTEC (AdBlue ®
) ............................. 368
Bonnet Closing .......................................... .315
Display message (12-button mul-
tifunction steering wheel) ..............280
Display message (4-button multi-
function steering wheel) ................278
Opening ......................................... 313
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Display message (12-button mul-
tifunction steering wheel) ..............254
Display message (4-button multi-
function steering wheel) ................249
Notes ............................................. 371
Brake lamp
Display message (12-button mul-
tifunction steering wheel) ..............261
Display message (4-button multi-
function steering wheel) ................258
Brake lamps
Adaptive .......................................... .67
Brakes
ABS .................................................. 65
BAS .................................................. 66
BAS PLUS ........................................ 66
Brake fluid (notes) .........................371
Display message (12-button mul-
tifunction steering wheel) ..............252
Display message (4-button multi-
function steering wheel) ................247
Driving tips .................................... 167
Important safety notes ..................167
Parking brake ........................ 165, 168
Warning lamp ................................. 286
Breakdown
see Flat tyre
see Towing away/tow-starting 6
Index

Setting the air vents
......................141
Setting the climate mode .............. .132
Setting the temperature ................132
Switching air-recirculation mode
on/off ............................................ 135
Switching on/off ........................... 131
Switching residual heat on/off ......136
Switching the rear window heat-
ing on/off ...................................... 135
Switching the ZONE function on/
off .................................................. 134
THERMATIC automatic climate
control (2-zone) ............................. 129
THERMOTRONIC (3-zone) auto-
matic climate control .....................130
Clock
Setting (4-button multifunction
steering wheel) .............................. 227
Coat hooks ......................................... 303
Cockpit Overview .......................................... 30
see Instrument cluster
Collapsible emergency spare
wheel
see Emergency spare wheel
COMAND Online
see separate operating instructions
Combination switch ..........................113
Constant headlamp mode see Daytime driving lights
Consumption statistics
On-board computer (12-button
multifunction steering wheel) ........230
On-board computer (4-button
multifunction steering wheel) ........226
Convenience closing feature ..............90
Convenience opening/closing (air-
recirculation mode) ........................... 136
Convenience opening feature ............90
Coolant (engine) Checking the level .........................316
Display message (12-button mul-
tifunction steering wheel) ..............267
Display message (4-button multi-
function steering wheel) ................264
Important safety notes ..................371
Temperature gauge (12-button
multifunction steering wheel) ........227 Temperature gauge (4-button
multifunction steering wheel)
........224
Warning lamp ................................. 292
Cooling
see Climate control
Cornering lamps
Changing bulbs .............................. 121
Cornering light function
Display message (12-button mul-
tifunction steering wheel) ..............260
Display message (4-button multi-
function steering wheel) ................257
Function/notes ............................. 115
Crash-responsive emergency light-
ing ....................................................... 118
Cruise control Cruise control lever .......................174
Deactivating ................................... 175
Display message (12-button mul-
tifunction steering wheel) ..............275
Display message (4-button multi-
function steering wheel) ................270
Driving system ............................... 173
Important safety notes ..................173
LIM indicator lamp .........................174
Selecting ........................................ 174
Setting a speed .............................. 175
Storing and maintaining current
speed ............................................ .174
Cup holder
Centre console .............................. 305
Important safety notes ..................305
Rear compartment .........................305 D
Dashboard lighting see Instrument cluster lighting
Data
see Technical data
Date
Setting (4-button multifunction
steering wheel) .............................. 227
Daytime driving lamps
Switching on/off (on-board com-
puter, 12-button multifunction
steering wheel) .............................. 2398
Index

Daytime driving lights
Display message (12-button mul-
tifunction steering wheel) ..............262
Display message (4-button multi-
function steering wheel) ................259
Switching on/off (on-board com-
puter, 4-button multifunction
steering wheel) .............................. 227
Switching on/off (switch) ..............111
Dealership
see Qualified specialist workshop
Delayed switch-off
Exterior lighting (12-button multi-
function steering wheel) ................240
Interior lighting (12-button multi-
function steering wheel) ................241
Diagnostics connection ......................26
Diesel particle filter ..........................167
Digital speedometer .........................231
Dipped beam Display message (4-button multi-
function steering wheel) ................257
Dipped-beam headlamps
Changing bulbs .............................. 120
Display message (12-button mul-
tifunction steering wheel) ..............260
Setting for driving abroad (sym-
metrical) ........................................ 110
Switching on/off ........................... 111
DIRECT SELECT lever
see Automatic transmission
Display (cleaning instructions) ........322
Display message (12-button multi-
function steering wheel)
ASSYST PLUS ................................ 312
Calling up ....................................... 246
Driving systems ............................. 271
Engine ............................................ 267
General notes ................................ 245
Hiding ............................................ 245
Key ................................................ 283
KEYLESS-GO .................................. 283
Lights ............................................ .260
Safety systems .............................. 252
Tyres .............................................. 277
Vehicle .......................................... .279 Display message (4-button multi-
function steering wheel)
ASSYST PLUS ................................ 312
Calling up ....................................... 245
Driving systems ............................. 270
Engine ............................................ 264
General notes ................................ 245
Hiding ............................................ 245
Key ................................................ 281
KEYLESS-GO .................................. 281
Lights ............................................ .257
Safety systems .............................. 247
Tyres .............................................. 276
Vehicle .......................................... .278
Distance display (on-board com-
puter, 12-button multifunction
steering wheel) .................................. 236
Distance recorder 12-button multifunction steering
wheel ............................................. 230
Distance warning signal (warning
lamp) .................................................. 294
DISTRONIC PLUS Deactivating ................................... 184
Display message (12-button mul-
tifunction steering wheel) ..............274
Displays in the multifunction dis-
pla y................................................ 184
Driving tips .................................... 185
Function/notes ............................. 178
Important safety notes ..................178
Selecting ........................................ 179
Setting the specified minimum
distance ......................................... 183
Warning lamp ................................. 294
Door
Automatic door locking feature
(on-board computer, 12-button
multifunction steering wheel) ........241
Automatic locking (switch) .............. .83
Central locking/unlocking (key) ......76
Control panel ................................... 40
Display message (12-button mul-
tifunction steering wheel) ..............280
Display message (4-button multi-
function steering wheel) ................278
Emergency locking ........................... 84
Emergency unlocking .......................84 Index
9

E
EASY-ENTRY feature Activating/deactivating (12-but-
ton multifunction steering wheel) ..243
Function/notes ............................. 102
EASY-EXIT feature
Activating/deactivating (12-but-
ton multifunction steering wheel) ..243
Crash-responsive ........................... 103
Function/notes ............................. 102
EBD (electronic brake force distri-
bution)
Display message (12 button mul-
tifunction steering wheel) ..............253
Function/notes ................................ 69
EBD (Electronic Brake-force Distri-
bution)
Display message (4-button multi-
function steering wheel) ................248
ECO display
Function/notes ............................. 166
On-board computer (12-button
multifunction steering wheel) ........231
ECO start/stop function
Deactivating/activating .................150
General information .......................150
Electrical fuses
see Fuses
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Electronic Traction System
see ETS/4ETS (Electronic Trac-
tion System)
Emergency key
Unlocking the driver's door ..............84
Emergency key element
Function/notes ................................ 78
Locking vehicle ................................ 84
Emergency release
Driver's door .................................... 84
Emergency spare wheel
Inflating the collapsible spare
wheel ............................................. 336
Notes/data .................................... 359
Storage location ............................ 328
Stowing .......................................... 328 Emergency unlocking
Tailgate ............................................ 88
Vehicle ............................................. 84
Engine
ECO start/stop function ................150
Engine number ............................... 365
Jump-starting ................................. 341
Running irregularl y......................... 153
Starting problems ..........................153
Starting the engine with the key ....148
Starting with KEYLESS GO .............149
Stopping ........................................ 164
Tow-starting (vehicle) ..................... 345
Warning lamp (engine diagnos-
tics) ............................................... 291
Engine electronics
Notes ............................................. 363
Problem (fault) ............................... 153
Engine oil
Additives ........................................ 370
Checking the oil level ..................... 315
Checking the oil level using the
dipstick .......................................... 315
Display message (12-button mul-
tifunction steering wheel) ..............268
Display message (4-button multi-
function steering wheel) ................265
Filling capacity ............................... 370
Notes about oil grades ................... 369
Notes on oil level/consumption ....315
Topping up ..................................... 316
Viscosity ........................................ 370
Environmental protection
Returning an end-of-life vehicle .......25
ESP ®
(Electronic Stability Pro-
gram) Deactivating/activating ...................68
Display message (12-button mul-
tifunction steering wheel) ..............252
Display message (4-button multi-
function steering wheel) ................247
ETS/4ETS ........................................ 68
Function/notes ................................ 67
Important safety guidelines .............67
Trailer stabilisatio n.......................... 69
Warning lamp ................................. 288
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 68 Index
11

Fuse box in the luggage compart-
ment
.............................................. 347
Important safety notes ..................346 G
Gear or selector lever (cleaning
instructions) ...................................... 322
Genuine Mercedes-Benz parts .........362
Glove compartment ..........................297 H
Handbrake see Parking brake
Hazard warning lamps ......................114
Headlamp Cleaning system (function) ............114
Cleaning system (notes) ................372
Headlamps
Misting up ...................................... 117
Topping up the cleaning system ....317
see Automatic headlamp mode
Head restraints
Adjusting ......................................... 98
Adjusting (electrically) .....................99
Adjusting (manually). .......................98
Adjusting (rear) ................................ 99
Fitting/removing (rear) ....................99
see NECK-PRO head restraints
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Heating
see Climate control
High-pressure cleaners ....................318
Hill start assist .................................. 150
HOLD function Display message (12-button mul-
tifunction steering wheel) ..............271
Display message (4-button multi-
function steering wheel) ................270
Function/notes ............................. 186 I
Ignition lock see Key positions
Immobiliser .......................................... 71Indicator and warning lamps
Coolant .......................................... 292
DISTRONIC PLUS ........................... 294
Engine diagnostics .........................291
Fuel tank ........................................ 292
Overview (12-button multifunc-
tion steering wheel) .........................34
Overview (4-button multifunction
steering wheel) ................................ 32
Indicator lamps
see Warning and indicator lamps
Insect protection on the radiator ....315
Inspection see ASSYST PLUS
Instrument cluster (12-button mul-
tifunction steering wheel)
Indicator and warning lamps ............34
Overview .......................................... 33
Settings ......................................... 238
Instrument cluster (4-button mul-
tifunction steering wheel)
Indicator and warning lamps ............32
Overview .......................................... 31
Instrument cluster lighting ..............239
Multifunction steering wheel with
4 buttons ....................................... 224
Intelligent Light System
Activating/deactivating (12-but-
ton multifunction steering wheel) ..240
Display message (12-button mul-
tifunction steering wheel) ..............263
Overview ........................................ 114
Interior lighting ................................. 117
Automatic control system ..............118
Delayed switch-off (12-button
multifunction steering wheel) ........241
Emergency lighting ........................118
Manual control ............................... 118
Overview ........................................ 117
Reading lamp ................................. 117
Setting brightness for display/
switches (on-board computer) .......239
Interior motion sensor ........................73
ISOFIX child seat securing system ....57 Index
13

J
Jack Storage location ............................ 327
Using ............................................. 333
Jump start (engine)
see Jump starting (engine)
Jump starting (engine) ......................341 K
Key Changing the battery .......................79
Checking the battery .......................79
Convenience closing feature ............90
Convenience opening feature ..........90
Display message (4-button multi-
function steering wheel) ................281
Door central locking/unlocking .......76
Emergency key element ................... 78
Important safety notes ....................76
Loss ................................................. 81
Modifying the programming .............78
Positions (ignition lock) .................147
Problem (malfunction) .....................81
Starting the engine ........................148
KEYLESS-GO
Convenience closing ........................90
Display message (12-button mul-
tifunction display) ..........................283
Display message (4-button multi-
function display) ............................ 281
Locking ............................................ 77
Start/Stop button .......................... 147
Starting the engine ........................149
Unlocking ......................................... 77
Key positions
Key ................................................ 147
KEYLESS GO .................................. 147
Keys
Display message (12-button mul-
tifunction steering wheel) ..............283
Kickdown
Driving tips .................................... 158
Manual drive program ....................160
Kneebag ............................................... 46 L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating .................238
Display message (12-button mul-
tifunction steering wheel) ..............273
Function/informatio n.................... 205
Lane package ..................................... 203
Lashing eyelets ................................. 299
Licence plate lighting Display message (12-button mul-
tifunction steering wheel) ..............262
Display message (4-button multi-
function steering wheel) ................259
Lighting
see Lights
Lights
Activating/deactivating the exte-
rior lighting delayed switch-off
(12-button multifunction steering
wheel) ............................................ 240
Activating/deactivating the inte-
rior lighting delayed switch-off
(12-button multifunction steering
wheel) ............................................ 241
Active light function .......................114
Automatic headlamp mode ............111
Cornering light function .................115
Dipped-beam headlamps ...............111
Driving abroad ............................... 110
Foglamps ....................................... 112
Foglamps (extended range) ...........115
Hazard warning lamps ...................114
Headlamp flasher ........................... 113
Headlamp range ............................ 112
Light switch ................................... 111
Main-beam headlamps ................... 113
Motorway mode ............................. 115
Off-road lights ................................ 115
Parking lamps ................................ 112
Rear foglamp ................................. 112
Setting brightness for display/
switches (on-board computer) .......239
Side lamps ..................................... 112
Switching Adaptive Highbeam
Assist on/off ................................. 24014
Index

On-board computer (4-button mul-
tifunction steering wheel)
Displaying service messages .........312
Display messages ..........................245
Individual vehicle settings ..............225
Message memory .......................... 245
Operating ...................................... .225
Range ............................................ 226
Standard displa y............................ 226
Time/date ..................................... 227
Trip computer ................................ 226
Opening and closing the side trim
panels ................................................. 121
Operating safety Diagnostics connection ...................26
Operating system
see On-board computer
Outside temperature
Display (12-button multifunction
steering wheel) .............................. 227
Display (4-button multifunction
steering wheel) .............................. 225
Overhead control panel ......................39
Override feature Rear side windows ...........................64 P
Paint code .......................................... 364
Paintwork (cleaning instructions) ...319
Panic alarm .......................................... 42
Panorama sliding sunroof Important safety information ...........92
Opening/closing .............................. 92
Opening/closing the roller sun-
blind ................................................. 93
Problem (malfunction) .....................94
Rain closing feature .........................92
Resetting ......................................... 93
Parking ............................................... 164
Important safety notes ..................164
Parking brake ................................ 165
Position of exterior mirror, front-
passenger side ............................... 105
Reversing camera ..........................196
see PARKTRONIC Parking aid
Active Parking Assist .....................192
see Exterior mirrors
see PARKTRONIC
Parking brake .................................... 165
Display message (12-button mul-
tifunction steering wheel) ..............253
Display message (4-button multi-
function steering wheel) ................248
Notes/function .............................. 165
Warning lamp ................................. 291
Parking lamp
Display message (12-button mul-
tifunction steering wheel) ..............262
Display message (4-button multi-
function steering wheel) ................259
Parking lamps
Changing bulbs .............................. 120
Switching on/off ........................... 112
PARKTRONIC
Deactivating/activating .................190
Driving system ............................... 188
Function/notes ............................. 188
Important safety notes ..................188
Problem (fault) ............................... 192
Sensor range ................................. 188
Trailer towing ................................. 191
Warning displa y............................. 189
PASSENGER AIRBAG OFF warning
lamp ...................................................... 56
Petrol .................................................. 366
Plastic trim (cleaning instructions) .322
Power windows see Side windows
PRE-SAFE ®
(preventative occupant
protection) Display message (12-button mul-
tifunction steering wheel) ..............254
Display message (4-button multi-
function steering wheel) ................249
PRE-SAFE ®
(preventive occupant
safety system) Operation ........................................ .48
PRE-SAFE ®
Brake
Activating/deactivating .................237
Display message (12-button mul-
tifunction steering wheel) ..............255 Index
17