2020 MERCEDES-BENZ CLS COUPE service indicator

Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ÿ Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
WA RNING 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.41 8
Displaymessa ges and warning/indicator lamps

Air
vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode ............................14 0
Air-water duct .......................................... 299
Ke eping free ........................................2 99
Airbag ........................................................ .42
Ac tivation .............................................. 37
Fr ont airbag (driver, front passenger) ....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
Wi ndow airbag ....................................... 42
Ai rflow
Setting ................................................ .137
Alarm sy stem
see ATA (anti-theft alarm sy stem) All-wheel drive
see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 29
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 ........................................... 90
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 ........................................... 292
Battery disconnection pe riods .............2 93
Displ aying the service due date ........... 292
Fu nction/no tes ................................... 292
Re gular maintenance work .................. 292
Special service requ irements .............. 292
ATA (anti-theft ala rmsystem) .................. 90
Deactivating the alarm ........................... 91
Fu nction ................................................ 90
Fu nction of interior pr otection ............... 92
Priming/deactivating interior pr otec‐
tion ........................................................ 92
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 92
To w- aw ay protection function ................91
AT TENTION ASSI ST.......................... 185, 187
Fu nction .............................................. 185
Setting ................................................. 187
Sy stem limitations ...............................1 85
At tention assistant
see ATTENTION ASSIST Index
431

Check tyre pressures
then restart
Ru n Flat Indicator ................................ 408
Cruise control and Limiter inope ra‐
tive ...................................................... 385
Cruise control inope rative ................... 385
Cruise control off ................................ 386
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 62
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 62
Hazard warning lamps malfunction‐
ing ...................................................... .368
Limi ter inoperative .............................. 386
Limiter passive ................................... .386
Mercedes me connect Services limi‐
te d See Owner's Manual .....................400
Mo tor can be star ted again .................4 03
N permanently active Risk of vehicle
ro lling .................................................. 378Only select
Park (P) when vehicle is
st ationary ............................................ 377
Place theke y in the mar ked space
See Owner's Manual ...........................365
PRE-SAFE impulse side inope rative
See Owner's Manual ........................... 363
PRE-SAFE inope rative See Owner's
Manual ................................................ 363
Re duce speed ...................................... 407
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 ............. 408
Speed limit (winter tyres) XXX km/h ... 388
Speed Limit Assi stcur rently una vail‐
able See Owner's Manual .................... 387
Speed Limit Assist inope rative ........... .387
St op vehicle Lea veengine running
Wa itTransmission cooling ...................379 To
shift out of P or N,depress brake
and start engine .................................. 377
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 ...................... 390
Tr af fic Sign Assi stinope rative ............. 390
Tr ansmission Malfunction Stop ........... 379
Ty re press. monitor cur rently una vail‐
able .................................................... .404
Ty re press. monitor inoperative ...........404
Ty re press. monitor inoperative No
wheel sensors .................................... .404
Ty re pressure Check tyres ...................407
Ty re(s) ove rheated ...............................4 06
Wi thout changing gear, consult work‐
shop ....................................................3 78
Display on the windscreen
see Head-up display 440
Index