
Index
....................................................... 4Introduction
......................................... 24 At a glance
........................................... 33 Safety
................................................... 45 Opening and closing
...........................89 Seats, steering wheel and mirrors
..119 Lights and windshield wipers
..........149 Climate control
................................. 163 Driving and parking
..........................187 On-board computer and displays
....293 Stowage and features
......................371 Maintenance and care
......................403 Roadside Assistance
........................421 Wheels and tires
............................... 441 Technical data
................................... 487 Contents
3

1, 2, 3 ...
4ETS see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 248
12 V socket
see Sockets
115 V socket ...................................... 385
360° camera
Cleaning .........................................4 16
Function/notes ............................ .260 A
ABS (Anti-lock Braking System) Display message ............................ 317
Function/notes ................................ 76
Important safety notes .................... 77
Warning lamp ................................. 358
Accident
Automatic measures after an acci-
dent ................................................. 68
Activating/deactivating cooling
with air dehumidification ................. 170
Activating/deactivating Night
View Assist Plus
With spotlight function ................... 268
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 309
Display message ............................ 344
Function/informatio n.................... 270
Active Body Control (ABC)
Display message ............................ 342
Function/note s............................. 244
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 310
Display message ............................ 343
Function/information .................... 273
Active multicontour seat .................. 134
Active Parking Assist
Detecting parking spaces .............. 252
Display message ............................ 344
Exiting a parking space .................. 254
Function/note s............................. 251 Important safety notes .................. 251
Parking .......................................... 253
ADAPTIVE BRAKE ................................. 84
Adaptive Brake Assist
Function/note s................................ 81
Adaptive Damping System (ADS) ..... 247
Adaptive Highbeam Assist Plus
Display message ............................ 336
Function/note s............................. 153
Switching on/of f........................... 154
Additional speedometer ................... 313
Additives (engine oil) ........................ 492
Air bags
Belt bags .......................................... 53
Cushion air bags .............................. 59
Deployment ..................................... 65
Display message ............................ 332
Front air bag (driver, front
passenger) ....................................... 57
Important safety notes .................... 56
Introduction ..................................... 56
Knee bag .......................................... 58
PASSENGER AIR BAG indicator
lamps ............................................... 50
Side impact air ba g.......................... 58
Window curtain air ba g.................... 59
Air vents
Glove box ....................................... 185
Important safety notes .................. 184
Rear ............................................... 185
Setting ........................................... 184
Setting the center air vents ........... 184
Setting the side air vents ............... 184
Air-conditioning system
see Climate control
AIRMATIC
Display message ............................ 341
Function/note s............................. 246
Alarm
ATA (Anti-Theft Alarm system )......... 86
Switching off (ATA) .......................... 86
Switching the function on/off
(ATA) ................................................ 86
Alarm system
see ATA (Anti-Theft Alarm system)
Anti-lock braking system
see ABS (Anti-lock Braking System) 4
Index

Charging the high-voltage battery
(important safety notes) ...................209
Chauffeur mode
Display message ............................ 352
Fully reclined position .................... 131
General notes ................................ 127
Installing the head restraint ........... 129
Moving front-passenger seat into
the chauffeur position .................... 128
Moving the front-passenger seat
into the normal position ................. 130
Removing the head restraint .......... 129
Child
Restraint system .............................. 70
Child seat
Forward-facing restraint system ...... 74
LATCH-type (ISOFIX) child seat
anchors ............................................ 71
On the front-passenger sea t............ 74
Rearward-facing restraint system .... 74
Top Tether ....................................... 73
Child-proof locks
Important safety notes .................... 74
Rear doors ....................................... 75
Children
In the vehicle ................................... 69
Special seat belt retractor ............... 69
Cigarette lighter ................................ 383
Cleaning
Mirror turn signal ........................... 415
Climate control
Automatic climate control ............. 165
Controlling automaticall y............... 171
Cooling with air dehumidification .. 170
Defrosting the windows ................. 176
Defrosting the windshield .............. 175
ECO start/stop function ................ 169
General notes ................................ 164
Immediate pre-entry climate con-
trol ................................................. 183
Indicator lamp ................................ 171
Ionization ....................................... 180
Notes on using the automatic cli-
mate control .................................. 169
Overview of systems ...................... 164
Perfume atomizer .......................... 178 Pre-entry climate control at
departure time (REMOTE CLI-
MATE CONTROL) ........................... 182
Pre-entry climate control via key ... 180
Problem with the rear window
defroster ........................................ 177
Problems with cooling with air
dehumidification ............................ 171
Rear control panel ......................... 165
Refrigerant ..................................... 494
Refrigerant filling capacity ............. 495
Setting the air distribution ............. 174
Setting the air vents ...................... 184
Setting the airflow ......................... 174
Setting the climate mod e............... 173
Setting the temperature ................ 173
Switching air-recirculation mode
on/of f............................................ 177
Switching on/of f........................... 169
Switching residual heat on/off ...... 177
Switching the rear window
defroster on/of f............................ 176
Switching the synchronization
function on and off ........................ 175
Climate control system
Climate control .............................. 169
Cockpit
Overview .......................................... 34
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 309
Display message ............................ 325
Operation/note s.............................. 79
COMAND display
Cleaning ......................................... 417
Combination switch .......................... 152
Consumption statistics (on-board
computer) .......................................... 300
Convenience closing feature ............ 108
Convenience opening feature .......... 107
Coolant (engine)
Checking the level ......................... 408
Display message ............................ 336
Displaying the temperature (on-
board computer) ............................ 307
Filling capacity ............................... 493
Important safety notes .................. 493
Temperature gaug e........................ 294 Index
7

Warning lamp ................................. 364
Coolbox ..............................................3 88
Cooling
see Climate control
Copyright ............................................. 31
Cornering light function
Display message ............................ 333
Function/notes ............................ .153
Crash-responsive emergency light-
ing ....................................................... 156
Crosswind Assist (vehicles with
MAGIC BODY CONTROL) ................... 244
Crosswind Assist (vehicles with-
out MAGIC BODY CONTROL) ...............83
Cruise control
Cruise control leve r .......................230
Deactivating ................................... 231
Display message ............................ 347
Driving system ............................... 229
Function/notes ............................ .229
Important safety notes .................. 229
Setting a speed .............................. 231
Storing and maintaining current
speed ............................................. 230
Cup holder
Center console .............................. 378
Important safety notes .................. 378
Rear compartment ......................... 379
Temperature controlled ................. 380
Cushion air bags .................................. 59
Customer Assistance Center
(CAC) ..................................................... 29
Customer Relations Department ....... 29D
Data see Technical data
Daytime running lamps
Display message ............................ 335
Function/notes ............................ .150
Switching on/off (on-board com-
puter) ............................................. 312
Declarations of conformity ................. 28
Diagnostics connection ......................28
Digital speedometer .........................301
DIRECT SELECT lever
Automatic transmission ................. 197 Display
see Display messages
see Warning and indicator lamps
Display messages
ASSYST PLUS ................................ 410
Calling up (on-board computer) ..... 316
Driving systems ............................ .341
Engine ............................................ 336
General notes ................................ 316
Hiding (on-board computer) ........... 316
Hybrid system ................................ 340
Introduction ................................... 316
Lights ............................................. 333
Safety systems .............................. 317
SmartKey ....................................... 354
Tires ............................................... 348
Vehicle .......................................... .351
Distance recorder
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 367
Distance warning function
Function/notes ................................ 80
DISTRONIC PLUS
Activating ....................................... 233
Activation conditions ..................... 233
Cruise control lever ....................... 233
Deactivating ................................... 238
Display message ............................ 346
Displays in the multifunction dis-
pla y................................................ 237
Driving tips .................................... 238
Function/note s............................. 231
Important safety notes .................. 232
Setting the specified minimum
distance ......................................... 236
Doors
Automatic locking (switch) ............... 98
Central locking/unlocking
(SmartKey) ....................................... 91
Control panel ................................... 42
Display message ............................ 352
Emergency locking ........................... 99
Emergency unlocking ....................... 98
Important safety notes .................... 97
Opening (from inside) ...................... 97
Power closing .................................. 98
Drinking and driving ......................... 2248
Index

MOExtended tires .......................... 423
Preparing the vehicle ..................... 423
TIREFIT kit ...................................... 424
Floormats ...........................................4 01
Folding table ...................................... 376
Front-passenger seat
Adjusting from the driver's seat ..... 124
Adjusting from the rear compart-
ment .............................................. 124
Fuel
Additives ........................................ 491
Consumption statistics .................. 300
Displaying the current consump-
tion ................................................ 299
Displaying the range ..................... .299
Driving tips ................................... .224
Fuel gauge ....................................... 35
Grade (gasoline) ............................ 490
Important safety notes .................. 490
Problem (malfunction) ................... 209
Refueling ........................................ 205
Tank content/reserve fuel ............. 490
Fuel filler flap
Opening ......................................... 207
Opening (PLUG-IN HYBRID vehi-
cles) ............................................... 207
Fuel level
Calling up the range (on-board
computer) ...................................... 299
Fuel tank
Capacity ........................................ 490
Problem (malfunction) ................... 209
Fuses
Allocation chart ............................ .440
Before changing ............................ .438
Dashboard fuse box ....................... 439
Engine emergency stop ................. 440
Fuse box in the engine compart-
ment .............................................. 439
Fuse box in the front-passenger
footwell .......................................... 439
Fuse box in the trunk ..................... 440
Important safety notes .................. 438 G
Garage door opener Clearing the memory ..................... 401 General notes ................................ 397
Important safety notes .................. 398
Opening/closing the garage door .. 400
Programming (button in the rear-
view mirror) ................................... 398
Synchronizing the rolling code ....... 399
Gasoline ............................................. 490
Gear indicator (on-board com-
puter) ................................................. .314
Genuine parts ...................................... 24
Glove box .......................................... .373 H
Handbrake see Parking brake
HANDS-FREE ACCESS ....................... 102
Hazard warning lamps ......................152
Head bags
Display message ............................ 330
Head restraints
Adjusting ....................................... 131
Adjusting (manually) ..................... .131
Adjusting (rear) .............................. 133
EASY ADJUST luxury head
restraint ......................................... 132
Luxury ............................................ 132
Supplementary cushion ................. 133
Head-up display
Adjusting the brightness ................ 312
Function/notes ............................ .297
Important safety notes .................. 297
Setting the position ....................... 311
Switching on or off ......................... 297
Switching the display on/off ......... 311
Headlamps
Fogging up ..................................... 155
see Automatic headlamp mode
Heating
see Climate control
High beam flasher .............................152
High-beam headlamps
Adaptive Highbeam Assist PLUS .... 153
Display message ............................ 334
Switching on/off ........................... 152
High-voltage battery
Battery care ................................... 211
Charging (charging station) ............ 216 Index
11

PLUG-IN HYBRID operation
Automatic engine start (ECO
start/stop function) ....................... 289
Automatic engine switch-off (ECO
start/stop function) ....................... 288
Charging the high-voltage battery .. 282
Condition of charge, high-voltage
battery ...........................................2 81
Displaying the total range and
electrical range .............................. 284
Driving tips ................................... .287
ECO start/stop function ................ 288
Electric motor (power display) ....... 279
Energy flow displa y........................ 281
Fuel consumption .......................... 285
Fuel consumption (COMAND) ........ 285
General information ....................... 276
Generated electrical energy ........... 285
Generated electrical energy
(COMAND) ..................................... 285
Haptic accelerator pedal ................ 286
High-voltage battery (condition of
charge) .......................................... 281
Important safety notes .................. 276
Instrument cluster (power dis-
play )............................................... 279
Manual drive progra m.................... 286
Map-based energy management .... 289
Noiseless start ............................... 285
Operating (on-board computer) ..... 281
Operating mode ............................. 280
Overrun mode ................................ 289
Overview, hybrid system ................ 278
Overview, instrument cluster ......... 279
Parking .......................................... 289
Power display, electric moto r........ 279
Problems with SRS (Supplemental
Restraint System) .......................... 291
Problems with the combustion
engine ............................................ 290
Problems with the hybrid system ... 291
Program selector button ................ 285
Pulling away ................................... 285
RBS (Recuperative Brake Sys-
tem) ............................................... 276
RBS (Recuperative Brake System) problems ....................................... 290
READY indicator ............................. 285 Resetting values (COMAND) .......... 285
Starting the vehicl e........................ 285
Stationary vehicle .......................... 287
Power locks ......................................... 98
Power washers .................................. 413
Power windows
see Side windows
Pre-entry climate control (via
SmartKey)
Problems (malfunctions) ................ 182
PRE-SAFE ®
(anticipatory occupant
protection)
Display message ............................ 324
Operation ......................................... 67
PRE-SAFE ®
Brake
Activating/deactivating ................. 309
Display message ............................ 325
Function/note s................................ 84
Important safety notes .................... 84
Warning lamp ................................. 367
PRE-SAFE ®
PLUS (anticipatory
occupant protection PLUS)
Operation ......................................... 68
Program selector button .................. 200
Protection against theft
ATA (Anti-Theft Alarm system )......... 86
Immobilizer ...................................... 86
Protection of the environment
General notes .................................. 24
Pulling away
Automatic transmission ................. 192
General notes ................................ 192
Hill start assist ............................... 192 Q
QR code Rescue card ..................................... 30
Qualified specialist workshop ........... 29 R
Radio Selecting a station ......................... 303
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 28 16
Index

RBS (Recuperative Brake System)
Warning lamp ................................. 366
Reading lamp ..................................... 155
Rear compartment
Activating/deactivating climate
control ........................................... 169
Setting the air distribution ............. 174
Setting the air vents ...................... 185
Setting the airflow ......................... 174
Setting the temperature ................ 173
Stowage compartment .................. 374
Rear lamps
see Lights
Rear seats
Adjusting ....................................... 123
Adjusting a rear reclining seat ....... 123
Overview .......................................... 43
Setting the reclined position .......... 123
Rear view camera
Cleaning instructions ..................... 416
Function/notes ............................ .256
Switching on/off ........................... 257
Rear window blind ............................ 381
Rear window defroster
Problem (malfunction) ................... 177
Switching on/off ........................... 176
Rear-view mirror
Anti-glare (manual) ........................ 140
Dipping (automatic) ....................... 142
Recuperation display ........................ 299
Recuperative Brake System
Driving safety systems ..................... 48
Important safety notes .................... 48
Refrigerant (air-conditioning sys-
tem)
Important safety notes .................. 494
Refueling
Fuel gauge ....................................... 35
Important safety notes .................. 205
Refueling process .......................... 206
see Fuel
Remote control
Garage door opene r....................... 397
Programming (garage door
opener) .......................................... 398
Replacing bulbs
General notes ................................ 157
Reporting safety defects .................... 30Rescue card
......................................... 30
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 339
Warning lamp ................................. 363
Residual heat (climate control) ........ 177
Restraint system
Display message ............................ 328
Introduction ..................................... 49
Warning lamp ................................. 362
Warning lamp (function) ................... 50
Reversing feature
Panorama sliding sunroo f.............. 111
Roller sunblind s............................. 112
Side windows ................................. 106
Trunk lid ......................................... 100
Reversing lamps (display mes-
sage) ................................................... 335
ROAD SURFACE SCAN ....................... 245
Roadside Assistance (breakdown) .... 26
Roller sunblind
Panorama roof with power tilt/
sliding panel .................................. 112
Rear side window s......................... 381
Rear window .................................. 381
Roller sunblind of the panorama
roof with power tilt/sliding panel
Operating (front roller sunblind) .... 113
Operating (rear roller sunblind )...... 113
Roof carrier ........................................ 377
Roof lining and carpets (cleaning
guidelines) ......................................... 419
Roof load (maximum) ........................ 495 S
Safety Occupant Classification System
(OCS) ............................................... 59
see Operating safety
Safety notes
Hybrid vehicles ................................ 46
Safety system
see Driving safety systems
Seat
Multicontour seat in the rear com-partment ........................................ 134 Index
17

Technical data
Capacities ...................................... 489
Information .................................... 488
Tires/wheels ................................. 471
Vehicle data ................................... 495
Telephone
Accepting a call (multifunction
steering wheel) .............................. 306
Display message ............................ 353
Introduction ................................... 305
Menu (on-board computer) ............ 305
Number from the phone book ........ 306
Redialing ........................................ 306
Rejecting/ending a call ................. 306
Temperature
Coolant .......................................... 294
Coolant (on-board computer) ......... 307
Engine oil (on-board computer) ...... 314
Outside temperature ...................... 295
Setting (climate control) ................ 173
Tire pressure
Calling up (on-board computer) ..... 449
Checking manuall y........................ 448
Display message ............................ 348
Important safety notes .................. 449
Maximum ....................................... 448
Not reached (TIREFIT) .................... 426
Notes ............................................. 447
Reached (TIREFIT) .......................... 426
Recommended ............................... 445
Tire pressure loss warning system
General notes ................................ 452
Important safety notes .................. 452
Restarting ...................................... 452
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 450
Function/note s............................. 449
General notes ................................ 449
Important safety notes .................. 449
Radio type approval for the tire
pressure monitor ........................... 452
Restarting ...................................... 451
Warning lamp ................................. 368
Warning message .......................... 451
TIREFIT kit .......................................... 424
Tires
Aspect ratio (definition) ................. 464 Average weight of the vehicle
occupants (definition) .................... 463
Bar (definition) ............................... 463
Changing a whee l.......................... 465
Characteristics .............................. 463
Checking ........................................ 443
Curb weight (definition) ................. 464
Definition of terms ......................... 463
Direction of rotation ...................... 466
Display message ............................ 348
Distribution of the vehicle occu-
pants (definition) ............................ 465
DOT (Department of Transporta-
tion) (definition) ............................. 463
DOT, Tire Identification Number
(TIN) ............................................... 462
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 463
GVW (Gross Vehicle Weight) (def-
inition) ........................................... 464
GVWR (Gross Vehicle Weight Rat- ing) (definition) .............................. 464
Important safety notes .................. 442
Increased vehicle weight due to
optional equipment (definition) ...... 463
Kilopascal (kPa) (definition) ........... 464
Labeling (overview) ........................ 459
Load bearing index (definition) ...... 465
Load index ..................................... 462
Load index (definition) ................... 464
Maximum load on a tire (defini-
tion) ............................................... 464
Maximum loaded vehicle weight
(definition) ..................................... 464
Maximum permissible tire pres-
sure (definition) ............................. 464
Maximum tire load ......................... 462
Maximum tire load (definition) ....... 464
MOExtended tire s.......................... 444
Optional equipment weight (defi-
nition) ............................................ 465
PSI (pounds per square inch) (def-
inition) ........................................... 464
Replacing ....................................... 465
Service life ..................................... 444
Sidewall (definition) ....................... 465
Speed rating (definition) ................ 464
Storing ........................................... 466 20
Index