Automatic transmission emer-
gency running mode
.........................200
Auxiliary heating/ventilation
Important safety notes .................. 172
Problem (display message) ............ 177
Remote control .............................. 173
Setting the departure time ............. 175
Switching on/off (on the centre
console) ......................................... 173
Axle load, permissible (trailer tow-
ing) ...................................................... 480 B
Bag hook ............................................ 374
Ball coupling
Folding in ....................................... 286
Folding out ..................................... 285
BAS (Brake Assist System) ................. 75
BAS PLUS with Cross-Traffic Assist (Brake Assist PLUS with Cross-
Traffic Assist)
Function/notes ................................ 75
Important safety notes .................... 76
Battery (high-voltage)
see High-voltage battery
Battery (key)
Checking .......................................... 94
Important safety notes .................... 93
Replacing ......................................... 94
Battery (vehicle)
Charging ........................................ 416
Display message ............................ 334
Important safety notes .................. 412
Jump starting ................................. 418
Belt
see Seat belts
Belt tensioner
Activation ......................................... 60
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 309
Display message ............................ 339
Notes/function .............................. 259
Trailer towing ................................. 261
see Active Blind Spot Assist
BlueTEC (AdBlue ®
) ............................ .472 BlueTEC
®
Topping up AdBlue ®
....................... 204
Bonnet
Active bonnet (pedestrian protec-tion) ............................................... 390
Closing .......................................... .392
Display message ............................ 347
Important safety notes .................. 390
Opening ......................................... 391
Boot
Emergency release ........................ 105
Important safety notes .................. 101
Locking separately ......................... 105
Opening/closing (automatically
from inside) ................................... 104
Opening/closing (automatically
from outside) ................................. 102
Opening/closing (from the out-
side, HANDS-FREE ACCESS) .......... 103
Opening/closing (manually from
outside) ......................................... 102
Boot lid
Display message ............................ 347
Obstacle recognition ..................... .101
Opening dimensions ..................... .476
Opening/closing ............................ 101
Boot load (maximum) ........................ 476
Box (boot) .......................................... .374
Brake
EBD ................................................. .82
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 322
Notes ............................................. 475
Brake force distribution, elec-
tronic
see EBD (electronic brake force
distribution)
Brake lamps
Adaptive ........................................... 80
Display message ............................ 330
Brake pedal
Pedal resistance/pedal travel .......... 44
Brakes
ABS .................................................. 74
Adaptive Brake Assist ...................... 79 6
Index
BAS .................................................. 75
BAS PLUS with Cross-Traffic
Assist ............................................... 75
Brake fluid (notes) ......................... 475
Display messag e............................ 315
Driving tips .................................... 213
Hill start assist ............................... 185
HOLD function ............................... 232
Important safety notes .................. 213
Parking brake ................................ 209
RBS (Recuperative Brake Sys-
tem) ................................................. 44
RBS warning lamp .......................... 362
Warning lamp ................................. 353
Breakdown
see Flat tyre
see Towing away
Brightness control (instrument
cluster lighting) ................................... 32
Bulbs
see Replacing bulbs
Buttons on the steering column ...... 294C
Calling up a fault see Display messages
Camera
see 360° camera
Car
see Vehicle
Car key
see Key
Car wash (care) ................................. 396
Care
360° camera ................................. 401
AIRPANEL ...................................... 400
Automatic car wash ....................... 396
Carpets .......................................... 404
Display ........................................... 402
Exhaust pipe .................................. 402
Exterior lighting ............................. 400
Gear or selector lever .................... 403
High-pressure cleaner .................... 398
Interior ........................................... 402
Matt paintwork .............................. 399
Note s............................................. 396
Paint .............................................. 398 Plastic trim .................................... 403
Reversing camera .......................... 401
Roof lining ...................................... 404
Seat belt ........................................ 404
Seat cove r..................................... 403
Sensors ......................................... 401
Steering wheel ............................... 403
Trim pieces .................................... 403
Washing by hand ........................... 398
Wheels ........................................... 399
Windows ........................................ 399
Wiper blades .................................. 400
Wooden trim .................................. 403
CD player/CD changer(on-board
computer) .......................................... 303
Central locking
Locking/unlocking (key) .................. 91
Centre console
Lower section .................................. 38
Upper section .................................. 37
Changing bulbs
Dipped-beam headlamp s............... 143
Main-beam headlamp s................... 143
Reversing lamps ............................ 144
Turn signals (front) ......................... 144
Turn signals (rear) .......................... 144
Charge status of high-voltage bat-
tery ..................................................... 273
Child seat
Forward-facing restraint system ...... 68
ISOFIX .............................................. 65
On the front-passenger sea t............ 66
Rearward-facing restraint system .... 67
Recommendations ........................... 71
Suitable positions ............................ 68
Top Tether ....................................... 65
Child-proof locks
Important safety notes .................... 72
Rear doors ....................................... 73
Children
In the vehicl e................................... 63
Restraint systems ............................ 64
Cigarette lighter ................................ 380
Cleaning
Mirror turn signal ........................... 400
Trailer tow hitch ............................. 402
Climate control
Auxiliary heating/ventilation .......... 172 Index
7
Setting the airflow ......................... 162
Setting the temperature ................ 160
Rear foglamp
Display message ............................ 331
Switching on/of f........................... 135
Rear lamps
see Lights
Rear seat
Display message ............................ 347
Rear seat (folding the backrest for-
wards/back) ...................................... 372
Rear window blind ............................ 379
Rear window heating
Problem (fault) ............................... 165
Switching on/of f........................... 164
Rear-compartment seat belt sta-
tus indicator ........................................ 50
Rear-view mirror
Anti-dazzle mode (automatic) ........ 129
Dipping (manual) ........................... 127
Recuperation display ........................ 298
Refuelling
Fuel gaug e....................................... 34
Important safety notes .................. 200
Refuelling process ......................... 201
see Fuel
Remote control
Auxiliary heating/ventilation .......... 173
Changing the batteries (auxiliary
heating) ......................................... 175
Replacing bulbs
General notes ................................ 141
Important safety notes .................. 142
Overview of bulb types .................. 142
Removing/replacing the cover
(front wheel arch) .......................... 143
Replacing the battery (auxiliary
heating remote control) .................... 175
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 335
Warning lamp ................................. 360
Residual heat (climate control) ........ 166
Restraint system
Display message ............................ 325
Introduction ..................................... 44 Warning lamp ................................. 359
Warning lamp (function) ................... 45
Rev counter ........................................ 293
Reverse gear
Engaging (manual transmission) .... 191
Reversing camera
Cleaning instructions ..................... 401
Function/note s............................. 244
Switching on/of f........................... 245
Reversing feature
Panorama sliding sunroof .............. 111
Roller sunblind s............................. 113
Side windows ................................. 106
Sliding sunroof ............................... 111
Reversing function
Boot lid .......................................... 101
Reversing lamp
Changing bulbs .............................. 144
Reversing lamp (display message) .. 331
Roller sunblind
Panorama sliding sunroof .............. 113
Rear window .................................. 379
Roller sunblinds (panorama sliding
sunroof)
Operating ....................................... 114
Roof carrier ........................................ 376
Roof lining and carpets (cleaning
instructions) ...................................... 404
Roof load (maximum) ........................ 476 S
Safety Automatic front-passenger front
airbag deactivation system .............. 54
Child restraint systems .................... 64
Children in the vehicle ..................... 63
see Operating safety
Safety notes
Hybrid vehicles ................................ 42
Safety system
see Driving safety systems
Seat belt
Centre rear-compartment sea t........ 49
Correct usage .................................. 48
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 50 18
Index
Variable .........................................2
19
SRS (Supplemental Restraint Sys-
tem)
Warning lamp ................................. 282
Start/Stop button
Starting the engine ........................ 184
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 183
Stationary vehicle .............................278
STEER CONTROL .................................. 85
Steering
Warning lamps ............................... 365
Steering (display message) .............. 349
Steering Assist and Stop&Go Pilot
(DISTRONIC PLUS)
Display message ............................ 342
Steering assistant STEER CON-
TROL
see STEER CONTROL
Steering wheel
Adjusting (electrically) ................... 126
Adjusting (manually) ...................... 125
Button overview ............................... 36
Buttons (on-board computer) ......... 294
Cleaning ......................................... 403
EASY ENTRY/EXIT feature ............. 126
Gearshift paddle s........................... 198
Important safety notes .................. 125
Storing settings (memory func-
tion) ............................................... 131
Steering wheel gearshift paddles .... 198
Stowage areas ................................... 368
Stowage compartment
Map pockets .................................. 370
Stowage compartments
Armrest (under) ............................. 370
Centre console .............................. 369
Cup holde r..................................... 376
Door ............................................... 370
Glove compartment ....................... 369
Important safety information ......... 368
Rear ............................................... 370
Spectacles compartment ............... 369
Stowage net ....................................... 370
Stowage space
Stowage net ................................... 370 Stowage well beneath the boot
floor
.................................................... 375
Summer tyres
In winter ........................................ 430
Sun blind
Rear side window s......................... 378
Sun visor ............................................ 378
Suspension tuning
AIRMATIC ...................................... 235
Switching the auxiliary heating/
ventilation
On/off ........................................... 173 T
Tail lamps Display message ............................ 330
see Lights
Technical data
Capacities ...................................... 468
Emergency spare wheel ................. 464
Information .................................... 466
Trailer load s................................... 478
Tyres/wheels ................................. 444
Vehicle data ................................... 476
Telephone
Accepting a call (multifunction
steering wheel) .............................. 305
Display message ............................ 349
Introduction ................................... 304
Menu (on-board computer) ............ 304
Number from the phone book ........ 305
Redialling ....................................... 306
Rejecting/ending a call ................. 305
Telephone compartment ................ 370
Temperature
Coolant (display in the instrumentcluster) .......................................... 293
Coolant (display in the on-board
computer) ...................................... 307
Outside temperature ...................... 293
Setting (climate control )................ 160
TEMPOMAT
Function/note s............................. 216
Through-loading feature ................... 371
TIREFIT kit .......................................... 409
Top Tether ............................................ 65
Total distance recorder .................... 29820
Index
Control panel for THERMATIC automatic climate control (2-zone)
Vehicles with auxiliary heating
:
To set the temperature, left (Y page 160)
; To set the air distribution (Y page 161)
= To set the airflow (Y page 162)
To switch the climate control off (Y page 156)
? To set climate control to automatic mode (Y page 159)
A To demist the windscreen (Y page 163)
B To call up the Audio 20/COMAND Online climate control menu; see the separate operating
instructions
To activate/deactivate the residual heat function (Y page 166)
C To switch the rear window heating on/off (Y page 164)
D To switch the auxiliary heating on/off (Y page 172)
E To activate/deactivate air-recirculation mode manually (Y page 165)
F To activate/deactivate cooling with air dehumidification (Y page 157)
G To set the temperature, right (Y page 160) Overview of climate control systems
151Climate control
Vehicles without auxiliary heating
:
To set the temperature, left (Y page 160)
; To set the air distribution (Y page 161)
= To set the airflow (Y page 162)
To switch the climate control off (Y page 156)
? To set climate control to automatic mode (Y page 159)
A To demist the windscreen (Y page 163)
B To call up the Audio 20/COMAND Online climate control menu; see the separate operating
instructions
C To switch the rear window heating on/off (Y page 164)
D To activate/deactivate synchronisation (Y page 162)
E To activate/deactivate air-recirculation mode manually (Y page 165)
F To activate/deactivate cooling with air dehumidification (Y page 157)
G To set the temperature, right (Y page 160)Information on using THERMATIC
automatic climate control
THERMATIC automatic climate control The following contains notes and recommen-
dations on optimum use of THERMATIC auto-
matic climate control.
R Activate climate control using the Ã
rocker switch. The indicator lamp above
the à rocker switch lights up. The "Cool-
ing with air dehumidification" function is
not activated automatically in automatic mode. If necessary, activate this function
(Y page 157).
R Set the temperature to 22 †.
R Only use the windscreen demisting func-
tion briefly until the windscreen is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odours or
when in a tunnel. The windows could oth-
erwise mist up as no fresh air is drawn into
the vehicle in air-recirculation mode. 152
Overview of climate control systemsClimate control
Control panel for THERMOTRONIC automatic climate control (3-zone)
Vehicles with auxiliary heating
Front control panel
: To set the temperature, left (Y page 160)
; To set the air distribution, left (Y page 161)
= To set the airflow (Y page 162)
To switch the climate control off (Y page 156)
? To set climate control to automatic mode (Y page 159)
A To demist the windscreen (Y page 163)
B To call up the Audio 20/COMAND Online climate control menu; see the separate operating
instructions
To activate/deactivate the residual heat function (Y page 166)
C To switch the rear window heating on/off (Y page 164)
D To switch the auxiliary heating on/off (Y page 172)
E To activate/deactivate air-recirculation mode manually (Y page 165)
F To set the air distribution, right (Y page 161)
G To set the temperature, right (Y page 160)
Rear control panel
H To set the temperature (Y page 160)
I Display
J To set the airflow (Y page 162)154
Overview of climate control systemsClimate control
Vehicles without auxiliary heating
Front control panel
: To set the temperature, left (Y page 160)
; To set the air distribution, left (Y page 161)
= To set the airflow (Y page 162)
To switch the climate control off (Y page 156)
? To set climate control to automatic mode (Y page 159)
A To demist the windscreen (Y page 163)
B To call up the Audio 20/COMAND Online climate control menu; see the separate operating
instructions
To activate/deactivate the residual heat function (Y page 166)
C To switch the rear window heating on/off (Y page 164)
D To activate/deactivate cooling with air dehumidification (Y page 157)
E To activate/deactivate air-recirculation mode manually (Y page 165)
F To set the air distribution, right (Y page 161)
G To set the temperature, right (Y page 160)
Rear control panel
H To set the temperature (Y page 160)
I Display
J To set the airflow (Y page 162) Information on using THERMOTRONIC
automatic climate control
THERMOTRONIC automatic climate
control The following contains instructions and rec-
ommendations to enable you to get the most
out of your THERMOTRONIC automatic cli-
mate control.
R Activate climate control using the Ã
rocker switch. The indicator lamp above
the à rocker switch lights up. The "Cool-
ing with air dehumidification" function is
not activated automatically in automatic Overview of climate control systems
155Climate control