Page 404 of 469

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance Package: Active Brake Assi stistemp orarily una vailable or only partially
av ailable. #
Consult a qualified specialist workshop. Mercedes me connect
Display messages
Possible causes/consequences and M MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 28). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 401
Page 422 of 469

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 293). Display messages and
warning/indicator lamps 419
Page 434 of 469

Air-conditioning sy
stem
see Climate control
Air-recirculation mode ............................14 2
Air-water duct .......................................... 295
Ke eping free ........................................2 95
Airbag ........................................................ .42
Ac tivation .............................................. 36
Fr ont airbag (driver, front passenger) ....42
Head airbag ........................................... 42
Ins tallation locations ............................ .42
Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................43
Re duced pr otection ...............................44
Side airbag ............................................ 42
AI RC AP
Ac tivating .............................................. 85
Deactivating .......................................... 85
Ai rflow
Setting ................................................ .139
AIRSCARF Adjusting the outlets ........................... 14 8
Switching on/off ................................. 107Alarm sy
stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 31
Android Auto
see Smartphone integration
Animals Pets in theve hicle ................................. 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door lock ...............................74
Immobiliser ........................................... 92
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) Apple CarPlay
®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 288
Battery disconnection pe riods .............2 89
Displ aying the service due date ........... 288
Fu nction/no tes ................................... 288
Re gular maintenance work .................. 288
Special service requ irements .............. 288
ATA (anti-theft ala rmsystem) .................. 93
Deactivating the alarm .......................... 93
Fu nction ................................................ 93
Fu nction of interior pr otection ............... 94
Priming/deactivating interior pr otec‐
tion ........................................................ 95
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 94
To w- aw ay protection function ................93
AT TENTION ASSI ST.......................... 22 4, 226
Fu nction .............................................. 224
Setting ................................................. 226
Sy stem limitations ...............................2 24 Index
431
Page 443 of 469

App
lybrake todeselect Park (P)
position ...............................................3 78
App lybrake toselect D or R ................378
App lybrake toselect R ........................ 378
Au xilia rybattery malfunction .............. 380
Beginning emer gency stop .................. 388
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 393
Blind Spot Assist inope rative ............... 393
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...3 93
Cannot start engine See Owner's
Manual ................................................ 404
Check tyre pressures then restart
Ru n Flat Indicator ................................ 409
Cruise control and Limiter inope ra‐
tive ...................................................... 385
Cruise control inope rative ................... 385
Cruise control off ................................ 385 Fr
ont-passenger airbag disabled See
Owner's Manual ................................... 361
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 361
Hazard warning lamps malfunction‐
ing ...................................................... .369
Limi ter inoperative .............................. 386
Limiter passive .................................... 385
Mercedes me connect Services limi‐
te d See Owner's Manual ...................... 401
Mo tor can be star ted again .................4 04
N permanently active Risk of vehicle
ro lling .................................................. 379
Only select Park (P) when vehicle is
st ationary ............................................ 377
Place theke y in the mar ked space
See Owner's Manual ...........................364
PRE-SAFE inoperative See Owner's
Manual ................................................ 362
Re duce speed ...................................... 408 Re
versing not poss. Consult work‐
shop ....................................................3 79
Risk of vehicle rolling Driver door
open and transmission not in P ...........378
Ru n Flat Indicator inope rative ............. 409
Speed limit (winter tyres) XXX km/h ... 387
St op vehicle Lea veengine running
Wa itTransmission cooling ...................380
To shift out of P or N,depress brake
and start engine .................................. 378
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 375
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 392
Tr af fic Sign Assi stinope rative ............. 392
Tr ansmission Malfunction Stop ........... 379
Ty re press. monitor cur rently una vail‐
able .................................................... .405
Ty re press. monitor inoperative ...........405 440
Index