2020 MERCEDES-BENZ CLS COUPE 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 #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
æ Ac tive Brake Assi stwa rning
lamp *T
he white Active Brake Assi stwa rning lamp is lit.
The sy stem is switched off or una vailable.
L Wa rning lamp for dis tance
wa rning function *T
he red dis tance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Fu nction of Active Brake Assi st (/ page 200). Display messages and
warning/indicator lamps 423

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

Ty
re pressure moni tor Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp
fl ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appro ximately one minu te
and then remains lit.
The tyre pressu remonitor is malfunctioning. &
WA RNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. h
Ty re pressure monitoring
sy stem warning lamp lights
up *T
he yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WA RNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can bu rst.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. Display messages and
warning/indicator lamps 427

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure and the tyres. 428
Display messages and warning/indicator lamps

1,
2, 3 ...
4MATIC ..................................................... 16 6
Fu nction .............................................. 16 6
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety .................................... 22
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 220
Button ................................................. 223
Ca re .................................................... 302
Fu nction .............................................. 220
Opening the camera co ver (r eve rsing
camera) .............................................. .224
Selecting a view ................................... 224
Switching au tomatic operation
on/off (r eversing camera) .................. .224 A
A/C function Activating/deactivating (MBUX mul‐
timedia sy stem) ................................... 13 8
Switching on/off (control panel) ......... 13 8
ABS (Anti-lock Braking Sy stem) ............ .181
Ac celeration
see Kickdown
Ac cident and Breakdown Manage‐
ment
Mercedes me connect ........................ .272
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 72
Ac tive Blind Spot Assi st......................... 209
Brake application ................................. 210
Fu nction .............................................. 209
Sy stem limitations ...............................2 09
Tr ailer operation .................................. 210
Ac tive bonn et(pedestrian pr otection) .. 293
Operation ............................................ 293
Re setting ............................................. 293
Ac tive Brake Assi st
Fu nction/no tes ................................... 200 Setting .................................................2
04
Ac tive Di stance Assist DISTRO NIC........ 19 0
Ac tive Emergency Stop Assist .............1 99
Calling up a speed ............................... 19 3
Fu nction .............................................. 19 0
Increasing/decreasing speed .............. 19 3
Re quirements: .................................... .193
Ro ute-based speed adap tation ........... .195
Selecting ............................................. 19 3
St eering wheel buttons ........................ 19 3
St oring a speed ................................... 19 3
Switching off/deacti vating .................. 19 3
Switching on/activating ...................... 19 3
Sy stem limitations ...............................1 90
Ac tive Eme rgency Stop Assist ...............199
Ac tive headlamps .................................... 12 3
Ac tive Lane Keeping Assist .....................211
Ac tivating/deactivating ...................... .214
Ac tivating/deactivating thewa rning .... 214
Fu nction ............................................... 211
Setting the sensitivity .......................... 214
Sy stem limits ....................................... 211
Tr ailer operation .................................. .211 Index
429