2020 MERCEDES-BENZ E-CLASS CABRIOLET Owners Manual

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running.
* &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and drive on carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, obse rve it. #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the engine is running.
*Possible 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. &
WARNING 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. 422
Display messa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING 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. #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
*T he 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. Display messa
ges and warning/indicator lamps 423

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Fu nction of Active Brake Assi st (/ page 186).
ä
Suspension warning lamp
(yellow) The
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 The
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. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking. 424
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
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. #
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.
*O ne or more wheels has reached its grip limit (/ page183). #
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. &
WARNING 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. &
WARNING 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 183). 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 teand
th en remains lit.
*The tyre pressu remonitor is malfunctioning. &
WARNING 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 The
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. &
WARNING 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 8
Fu nction .............................................. 16 8
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
360° Camera ............................................ 215
Care .................................................... .301
Fu nction ............................................... 215
Opening the camera co ver (r eve rsing
camera) .............................................. .219
Selecting a view ................................... 219
Switching au tomatic operation
on/off (r eversing camera) .................. .219 A
A/C function Activating/deactivating (MBUX mul‐
timedia sy stem) ................................... 14 0
Switching on/off (control panel) ......... 14 0ABS (Anti-lock Braking Sy
stem) ............ .182
Ac celeration
see Kickdown
Ac cident and Breakdown Manage‐
ment
Mercedes me connect ........................ .268
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 72
Ac tive Blind Spot Assi st......................... 228
Ac tivating/deactivating ...................... .231
Brake application ................................. 230
Fu nction .............................................. 228
Sy stem limitations ...............................2 28
Tr ailer operation .................................. 230
Ac tive bonn et(pedestrian pr otection) .. 289
Operation ............................................ 289
Re setting ............................................. 289
Ac tive Brake Assi st
Fu nction/no tes ................................... 186
Setting ................................................. 19 0
Ac tive Di stance Assist DISTRO NIC........ 194
Ac tive Emergency Stop Assist .............2 03
Calling up a speed ............................... 197Fu
nction .............................................. 194
Increasing/decreasing speed .............. 197
Re quirements: .................................... .197
Ro ute-based speed adap tation ........... .199
Selecting .............................................. 197
St eering wheel buttons ........................ 197
St oring a speed .................................... 197
Switching off/deacti vating .................. 197
Switching on/activating ...................... 197
Sy stem limitations ...............................1 94
Ac tive Eme rgency Stop Assist ...............203
Ac tive headlamps .................................... 12 5
Ac tive Lane Keeping Assist .................... 231
Ac tivating/deactivating ...................... .233
Ac tivating/deactivating thewa rning .. .234
Fu nction .............................................. 231
Setting the sensitivity .......................... 234
Sy stem limits ....................................... 231
Tr ailer operation .................................. 231
Ac tive Parking Assist .............................. 219
Exiting a pa rking space ...................... .222
Fu nction ............................................... 219
Pa rking ................................................ 221
Sy stem limitations ...............................2 19 Index
429