engine MERCEDES-BENZ CLS COUPE 2020 Owners Manual

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) *T
he red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. #
Notethe messages on the multifunction displa y. &
WA RNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WA RNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. 422
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ä Suspension warning lamp
(yellow) *T
he yellow AIR BODY CONTROL warning lamp is lit.
The yellow DYNA MIC BODY CONTROL warning lamp is lit.
A fault has occur red in the AIR BODY CONTROL.
A fault has occur red in theDY NA MIC BODY CONTROL. #
Notethe messages on the multifunction displa y.Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp *T
he yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WA RNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. 424
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp flashes *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
One or more wheels has reached its grip limit (/ page181). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up *
The yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WA RNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. Display messages and
warning/indicator lamps 425

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
å ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WA RNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 181). 426
Displaymessa ges and warning/indicator lamps

Ac
tive Parking Assist .............................. 229
Exiting a parking space ...................... .232
Fu nction .............................................. 229
Pa rking ................................................ 230
Sy stem limitations ...............................2 29
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 194
Displ ay................................................. 194
Fu nction .............................................. 194
Ac tive Steering Assist ............................ .197
Ac tivating/deactivating ...................... .199
Ac tive Emergency Stop Assist .............1 99
Fu nction .............................................. 197
Sy stem limits ....................................... 197
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .197
Fu nction .............................................. 197
Ad aptive brake lights ..............................185
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 12 5Switching on/off .................................
12 6
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 6
Switching on/off ................................. 12 8
Ad Blue ®
.................................................... 352
Ad ditives .............................................3 52
Capacity .............................................. 352
No tes ................................................... 16 9
Purity ................................................... 352
To pping up ...........................................1 70
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 353
Ad Blue ®
............................................... 352
Engine oil ............................................ 353
Fu el ..................................................... 350
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIR BODY CONTROL Ad
versewe ather light ............................ .125
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .214
Setting ................................................. 215
Suspension .......................................... 214
Air conditioning menu Calling up ............................................ 13 8
Air distribution Setting ................................................ .137
Setting (MBUX multimedia sy stem) ..... 13 9
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 14 6
Ad justing (front) .................................. 14 6
Ad justing (rear) .................................... 147430
Index

Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................121
Au tomatic engine start (ECO start/
sto p function) .......................................... 15 5
Au tomatic engine stop (ECO start/
sto p function) .......................................... 15 5
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff ........................................... 45, 47
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 45
PA SSENGER AIR BAG indicator lamp .... .47
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .135
Au tomatic seat adjustment
Setting ................................................... 98 Au
tomatic transmission
DIRECT SELECT le ver ........................... 161
Drive program display .......................... 16 0
Drive programs .................................... 15 9
DY NA MIC SELECT switch .................... 15 9
Engaging drive position ....................... 16 3
Engaging neutral .................................. 16 2
Engaging pa rkposition ........................ 16 3
Engaging reve rsege ar ........................ .162
Kickdown ............................................. 16 5
Manual gear changing ........................ .164
St eering wheel gearshift paddles ........ .164
Tr ansmission position display .............. 161
Tr ansmission positions ........................ .161
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 345
Tr ailer operation .................................. 359 B
Bag hook .................................................. .112
Ball ne ck
Extending/r etra cting ........................... 235 Extending/r
etra cting (MBUX multi‐
media sy stem) .....................................2 36
BA S (Brake Assist Sy stem) .................... .181
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 14 5
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 319
Charging .............................................. 318
Charging (Remo teOnline) .................... 15 0
No tes ................................................... 314
No tes (s tarting assis tance and
ch arging) .............................................. 316
Re placing .............................................3 19
St arting assis tance .............................. 318
Belt see Seat belt
Bic ycle rack
Load capacity ...................................... 358
Tr ailer operation .................................. 239
Blind Spot Assist .................................... .209
Ac tivating/deactivating ........................ 211432
Index

Ac
tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem) ................................................ 13 9
Air-reci rculation mode ........................ .140
Au tomatic control ................................ 13 9
Calling up the air conditioning menu ... 13 8
Climate style function .......................... 13 9
Demi sting the windscreen ...................1 37
Demi sting windo ws............................. 14 0
Fr ont air vents ..................................... 14 6
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 141
Ionisation ............................................. 14 0
No te ..................................................... 137
Re ar air vents ....................................... 147
Re sidual heat ....................................... 14 0
Setting (MBUX multimedia sy stem) ..... 13 8
Setting the air distribution ...................1 37
Setting the air flow ............................... 137
Setting the climate style ......................1 39
Setting the fragrance sy stem ............... 14 0
Setting theve hicle interior temp era‐
ture ...................................................... 137
St ationary heater/ ventilation .............. 14 2
Switching on/off ................................. 13 8Switching
there ar wind owheater
on/off .................................................. 137
THERMATIC contro l panel .................... 137
THERMOTRONIC contro l panel ............137
Ve ntilating theve hicle (con venience
opening) ................................................ 85
Wi ndsc reen heating ............................. 14 2
Climate style
Fu nction .............................................. 13 9
Setting ................................................. 13 9
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Collision de tection (pa rked vehicle) ......17 7
Combination switch ................................12 2
Compu ter
see On-board computer
Consum ption indicator
Calling up ............................................ .161
Con venience closing ................................. 85
Con venience opening ................................ 85 Coolant (engine)
Check le vel .......................................... 297
No tes .................................................. 355
Cooling see Climate control
Co pyright ...................................................35
Cornering light ........................................ .123
Cross Traf fic Alert .................................. .234
Crosswind Assist Function/no tes ................................... 182
Cruise control .......................................... 187
Ac tivating ............................................ 188
Buttons ................................................ 188
Calling up a speed .............................. .188
Deactivating ........................................ 188
Fu nction .............................................. 187
Re quirements ...................................... 188
Selecting ............................................. 188
Setting a speed ................................... 188
St oring a speed ................................... 188
Sy stem limitations ...............................1 87 Index
435

¯
AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km ................................................ 41 0
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................. 41 0
¯ AdBlue sy stem fault Engine
st art not possible ................................ .411
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 41 0
5 Add 1 litre engine oil when
next refuelling ...................................... 411
é ATTENTION ASSIST inoperative
.............................................................3 85
é ATTENTION ASSIS T:Take a
break! .................................................. 385
: Automatic driving lights inoper‐
ative .................................................... 366
Á Change key bat teries .................. 364
J Check brake fluid le vel.............. .383 #
Checkbrake pads See Owner's
Manual ................................................ 384
ï Check trailer hitch lock ..............371
h Check tyre(s) .............................. 405
! Clean the fuel filter .................... .376
ÿ Coolant Stop vehicle Switch
engine off ............................................ 375
_ Currently una vailable Camera
view restricted ..................................... 393
ç Currently unavailable Radar
sensors dirty .......................................3 92
! currently una vailable See Own‐
er's Manual ........................................ .396
÷ currently una vailable See Own‐
er's Manual ........................................ .397
5 Engine oil le vel cannot be
measured ............................................ .413
5 Engine oil le velRe duce oil le vel.. 412
5 Engine oil le velSt op vehicle
Switch engine off ................................. 4125
Engine oil pressu reStop
Switch off engine ................................. 413
ä Fault Drive at max. 80 km/h ...... 394
6 Front left malfunction Consult
wo rkshop (e xample)............................ .361
& inoperative Battery low .............. 369
& inoperative Refuel vehicle ..........3 69
& inoperative See Owner's Man. ... 369
! inoperative See Owner's Man‐
ual ....................................................... 397
÷ inoperative See Owner's Man‐
ual ....................................................... 398
T inoperative See Owner's Man‐
ual ....................................................... 399
G Inoperati ve................................. 400
: Intelligent Light Sy stem inoper‐
ative ....................................................3 67
Á Key not de tected (red displ ay
messa ge).............................................3 65 Index
437

Á
Key not de tected (white displ ay
messa ge).............................................3 64
: Left dipped beam (e xamp le) ...... .366
6 Left wind owbag malfunction
Consult workshop (e xample)................ 361
¢ Lowe ring .................................... 395
: Malfunction See Owner's Man‐
ual ....................................................... 366
ð Maximum speed exceeded ......... 388
Ø ................................................... 409
ç Off..............................................3 87
ë Off..............................................3 84
ï Operation only possible in
transmission position P .......................370
! Parking brake See Owner's
Manual ................................................ 380
É Please reduce speed .................. 395
Ý Please wait 48 V battery charg‐
ing ...................................................... .403 _
Rear left seat backrest not
loc ked (Example) .................................3 74
h Rectify tyre pressure .................. 405
Ø Refill Ad Blue See Owne r’s
Manual ................................................ 408
! Release parking brake ................ 383
¸ Replace air cleaner .....................377
Á Replace key ................................ 364
8 Reser vefuel le vel...................... .376
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 361
# See Owner's Manual .................. 401
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....372
Ù Steering malfunction Stop
immediately See Owner's Manual .......372
# Stop vehicle Lea veengine run‐
ning ..................................................... 402
# Stop vehicle See Owner's Man‐
ual .......................................................4 02É
Stop vehicle Vehicle too low .......3 94
ç suspended ................................. 386
: Switch off lights .........................3 67
: Switch on headlamps ................. 367
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual ....... 409
+ Top up coolant See Owner ’s
Manual ................................................ 375
¥ Top up washer fluid .................... .374
ï Trailer coupling extending… ........370
! Turn on the ignition torelease
th e parking brake ................................ 383
d Vehicle is operational Switch
off ignition before exiting .................... 370
É Vehicle rising Please wait.......... .395
É Vehicle rising .............................. 395
h Warning tyre defect .................... 406
h Wheel sensor(s) missing ............ 404438
Index

Ø
XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss. ............................................ .409
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........391
Ac tive Blind Spot Assi stinope rative .... 391
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 391
Ac tive bonnet malfunction See Own‐
er's Manual .......................................... 373
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 399
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 400
Ac tive Dis tance Assi stavailable
again .................................................. .387
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........387
Ac tive Dis tance Assi stinope rative ....... 387 Ac
tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........391
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 392
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 396
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops ......................................... 388
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........388
Ac tive Steering Assist inoperative .......388
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .........389
Ac tive Stop-and-Go Assist inopera‐
tive See Owner's Manual ..................... 389
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........368 Ad
aptive Highbeam Assist inopera‐
tive ...................................................... 368
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .368
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .368
Apply brake todeselect Park (P)
position ...............................................3 77
App lybrake toselect D or R ................378
App lybrake toselect R ........................ 378
Au xilia rybattery malfunction ...............379
Beginning emer gency stop .................. 389
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 390
Blind Spot Assist inope rative ............... 390
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...3 90
Cannot start engine See Owner's
Manual ................................................ 403 Index
439