1, 2, 3 ... 4ETS (Electronic Traction System)
see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 213
12 V socket
see Sockets
115 V socket ...................................... 337
360° camera
Cleaning ........................................ .3 63
Function/notes ............................ .2 24
A ABS (Anti-lock Braking System)
Display message ............................ 278
Function/notes ................................ 68
Warning lamp ................................. 316
Accident
Automatic measures after an acci-
dent ................................................. 61
Activating/deactivating cooling
with air dehumidification ................. 146
Activating/deactivating Night
View Assist Plus
With spotlight function ................... 232
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 271
Display message ............................ 301
Function/information .................... 234
Active Body Control (ABC)
Display message ............................ 300
Function/notes ............................. 210
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 271
Display message ............................ 301
Function/information .................... 237
Active multicontour seat .................. 117
Active Parking Assist
Detecting parking spaces .............. 217
Display message ............................ 302
Exiting a parking space .................. 219
Function/notes ............................. 216
Important safety notes .................. 216 Parking .......................................... 218
ADAPTIVE BRAKE ................................. 75
Adaptive Brake Assist
Function/notes ................................ 72
Adaptive Damping System (ADS) ..... 212
Adaptive Highbeam Assist Plus
Display message ............................ 293
Function/notes ............................. 133
Switching on/off ........................... 133
Additional speedometer ................... 274
Additives (engine oil) ........................ 430
Air bags
Belt bags .......................................... 48
Cushion air bags .............................. 53
Deployment ..................................... 57
Display message ............................ 289
Front air bag (driver, front
passenger) ....................................... 52
Important safety notes .................... 50
Introduction ..................................... 50
Knee bag .......................................... 52
Occupant Classification System
(OCS) ............................................... 53
PASSENGER AIR BAG i nd icator
lamps ............................................... 46
Side impact air bag .......................... 52
Window curtain air bag .................... 53
Air vents
Glove box ....................................... 159
Important safety notes .................. 158
Rear ............................................... 160
Setting ........................................... 158
Setting the center air vents ........... 159
Setting the side air vents ............... 159
Air-conditioning system
see Climate control
AIRMATIC
Display message ............................ 299
Function/notes ............................. 212
Alarm
ATA (Anti-Theft Alarm system) ......... 78
Switching off (ATA) .......................... 78
Switching the function on/off
(ATA) ................................................ 78
Alarm system
see ATA (Anti-Theft Alarm system)
Anti-lock braking system
see ABS (Anti-lock Braking System) Index 3
Removin g ...................................... .1 85
Storing .......................................... .1 83
Warming up ................................... 182
Charging the high-voltage battery
(important safety notes) ................... 180
Chauffeur mode
Display message ............................ 310
Fully reclined position .................... 114
General notes ................................ 111
Installing the head restraint ........... 113
Moving front-passenger seat into
the chauffeur position .................... 112
Moving the front-passenger seat
into the normal position ................. 113
Removing the head restraint .......... 113
Child
Restraint system .............................. 62
Child seat
Forward-facing restraint system ...... 66
LATCH-type (ISOFIX) child seat
anchors ............................................ 63
On the front-passenger seat ............ 65
Rearward-facing restraint system .... 66
Top Tether ....................................... 64
Child-proof locks
Important safety notes .................... 66
Rear doors ....................................... 67
Children
Special seat belt retractor ............... 62
Cigarette lighter ................................ 335
Cleaning
Mirror turn signal ........................... 362
Climate control
Automatic climate control ............. 141
Controlling automatically ............... 147
Cooling with air dehumidification .. 146
Defrosting the windows ................. 151
Defrosting the windshield .............. 151
ECO start/stop function ................ 145
General notes ................................ 140
Immediate pre-entry climate con-
trol ................................................. 158
Indicator lamp ................................ 147
Ionization ....................................... 155
Notes on using the automatic cli-
mate control .................................. 145
Overview of systems ...................... 140
Perfume atomizer .......................... 153 Pre-entry climate control at
departure time ............................... 157
Pre-entry climate control via key ... 155
P ro blem with the rear window
defroster ........................................ 152
Problems with cooling with air
dehumidification ............................ 147
Rear control panel ......................... 141
Refrigerant ..................................... 432
Refrigerant filling capacity ............. 432
Setting the air distribution ............. 149
Setting the air vents ...................... 158
Setting the airflow ......................... 150
Setting the climate mode ............... 148
Setting the temperature ................ 148
Switching air-recirculation mode
on/off ............................................ 152
Switching on/off ........................... 145
Switching residual heat on/off ...... 152
Switching the rear window
defroster on/off ............................ 151
Switching the synchronization
function on and off ........................ 150
Climate control system
Climate control .............................. 145
Cockpit
Overview .......................................... 32
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 270
Display message ............................ 284
Operation/notes .............................. 71
COMAND display
Cleaning ......................................... 364
Combination switch .......................... 131
Consumption statistics (on-board
computer) .......................................... 262
Convenience closing feature .............. 96
Convenience opening feature ............ 95
Coolant (engine)
Checking the level ......................... 356
Display message ............................ 294
Displaying the temperature (on-
board computer) ............................ 269
Filling capacity ............................... 431
Important safety notes .................. 431
Temperature gauge ........................ 257
Warning lamp ................................. 3206
Index
Coolbox .............................................. 339
Cooling
see Climate control
Copyright ............................................ .3 1
Cornering light function
Display message ............................ 291
Function/notes ............................ .1 32
Crash-responsive emergency light-
ing ....................................................... 135
Crosswind Assist (vehicles with
MAGIC BODY CONTROL) ................... 210
Crosswind Assist (vehicles with-
out MAGIC BODY CONTROL) .............. .7 5
Cruise control
Calling up the speed last stored .... 198
Cruise control lever ....................... 197
Deactivating ................................... 199
Display message ............................ 305
Driving system ............................... 197
Function/notes ............................. 197
General notes ................................ 197
Important safety notes .................. 197
Setting a speed .............................. 198
Storing and maintaining current
speed ............................................. 198
Cup holder
Center console .............................. 331
Important safety notes .................. 330
Rear compartment ......................... 331
Temperature controlled ................. 332
Cushion air bags .................................. 53
Customer Assistance Center
(CAC) ..................................................... 29
Customer Relations Department ....... 29
D
Data
see Technical data
Data carrier
Selecting ........................................ 266
Daytime running lamps
Display message ............................ 293
Function/notes ............................. 130
Switching on/off (on-board com-
puter) ............................................. 274
Declarations of conformity ................. 28
Diagnostics connection ...................... 28 Digital speedometer ......................... 263
DIRECT SELECT lever
Automatic transmission ................. 170
Display
see Display messages
see Warning and indicator lamps
Display message
Hybrid drive system ....................... 297
Display messages
ASSYST PLUS ................................ 357
Calling up (on-board computer) ..... 277
Driving systems ............................. 299
Engine ............................................ 294
General notes ................................ 277
Hiding (on-board computer) ........... 277
Introduction ................................... 277
Lights ............................................. 291
Safety systems .............................. 278
SmartKey ....................................... 312
Tires ............................................... 306
Vehicle ........................................... 308
Distance recorder
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 322
Distance warning function
Function/notes ................................ 71
DISTRONIC PLUS
Activating ....................................... 201
Activation conditions ..................... 201
Cruise control lever ....................... 201
Deactivating ................................... 205
Display message ............................ 303
Displays in the instrument cluster .. 204
Driving tips .................................... 205
Driving with DISTRONIC PLUS ....... 202
Function/notes ............................. 199
Important safety notes .................. 200
Setting a speed .............................. 203
Setting the specified minimum
distance ......................................... 204
Stopping ........................................ 203
with Steering Assist and Stop&Go
Pilot ............................................... 207
Doors
Automatic locking (switch) ............... 87
Central locking/unlocking
(SmartKey) ....................................... 79 Index 7
Useful information
i This Operator's Manual describes all models
and all standard and optional equipment of
your vehicle available at the time of publica-
tion of the Operator's Manual. Country-spe-
cific differences are possible. Please note
that your vehicle may not be equipped with all
features described. This also applies to
safety-related systems and functions.
i Read the information on qualified specialist
workshops ( Y
page 28).
Overview of climate control systems
General notes Observe the settings recommended on the fol-
lowing pages. The windows could otherwise fog
up.
To prevent the windows from fogging up: R
switch off climate control only briefly R
switch on air-recirculation mode only briefly R
switch on the cooling with air dehumidifica-
tion function R
switch on the defrost windshield function
briefly, if required
Climate control regulates the temperature and
air humidity in the vehicle interior. The air filter
cleans the air, thus improving the interior cli-
mate.
For vehicles with a combustion engine, the
"Cooling with air dehumidification" function is
only available when the engine is running. For
hybrid vehicles, the "Cooling with air dehumidi-
fication" function is also available via the elec-
tric refrigerant compressor when the engine is
not running. Optimum climate control is only
achieved with the side windows and roof closed.
If you start the engine using your smartphone,
the last selected climate control setting is reac-
tivated ( Y
page 164).
The residual heat function can only be activated
or deactivated with the ignition switched off
( Y
page 152).
i Ventilate the vehicle for a brief period during
warm weather, e.g. using the convenience
opening feature ( Y
page 95). This will speed
up the cooling process and the desired inte- rior temperature will be reached more
quickly.
i The integrated filter filters out most parti-
cles of dust and soot and completely filters
out pollen. It also reduces gaseous pollutants
and odors. A clogged filter reduces the
amount of air supplied to the vehicle interior.
For this reason, you should always observe
the interval for replacing the filter, which is
specified in the Maintenance Booklet. As it
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Maintenance Book-
let.
i It is possible that the blower may be activa-
t ed automatically 60 minutes after the Smart-
Key has been removed depending on various
factors, e.g. the outside temperature. The
vehicle is then ventilated for 30 minutes to dry
the climate control system.140
Overview of climate control systems
Climate control