warning lights MERCEDES-BENZ E-CLASS CABRIOLET 2020 Owner's Guide

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
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

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

Blind Spot Assi
st..................................... 228
Ac tivating/deactivating ...................... .231
Fu nction .............................................. 228
Sy stem limitations ...............................2 28
Blo wer
see Climate control
BlueTEC see AdBlue ®
Bonn et
Re setting (active bonnet) .................... 289
Boot lid Closing .................................................. 80
HANDS-FREE ACCESS .......................... .80
Locking separa tely ................................ .81
Opening .................................................79
Opening dimensions ............................3 54
Boot separator Closing .................................................. 84
Opening .................................................84
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid Notes .................................................. 353 Brake
forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 185
Brakes ABS (Anti-lo ckBraking Sy stem) ........... 182
Ac tive Brake Assi st.............................. 186
Ad aptive brake lights .......................... .190
BA S (Brake Assi stSystem) .................. 182
Driving tips .......................................... 15 6
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 185
HOLD function .................................... .204
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 15 6
New/replaced brakepads/brake
discs .................................................... 154
Ru nning-in no tes ..................................1 54
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
To w- starting ........................................ 322
To wing away ........................................ 318
Tr ansporting theve hicle ......................3 20
Wheel change ...................................... 335 Breakdown
see Flat tyre
Buttons Steering wheel .....................................2 43 C
Calls Mercedes me ...................................... 269
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ....................................... 295
Car-to-X-Communication Displaying hazard warnings ................ .263
Care .......................................................... 302
360° Camera ....................................... 301
Air-water duct ...................................... 295
Car wash ............................................. 295
Carpet .................................................3 02 Index
433

Head-up display
....................................... 24 6
Ad justing display elements (on-board
compu ter) ............................................ 24 6
Ad justing the brightness (on-board
computer) ............................................ 24 6
Fu nction .............................................. 24 5
Menu (on-board computer) .................. 24 6
Operating the memory function ........... 11 2
Setting the position (on-board com‐
puter) ................................................... 24 6
Switching on/off ................................. 247
Headlamp flashing .................................. 124
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating ...................... .124
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
High-pressure cleaner (care) ................. 296Hill
Start Assist ....................................... 204
HOLD function ......................................... 204
Fu nction/no tes ................................... 204
Switching on/off ................................. 205
Home screen (media display) Overview ............................................. 24 9
Hooking the luggage net .........................117 I
i-Size child seat securing sy stem
Fitting .................................................... 60
i‑Size child seat securing sy stem
Seats suitable for attaching ................... 59
Identification plate Engine ................................................. 343
Vehicle ................................................ 343
Ignition Switching on (S tart/S top button) ........ 15 0
Ignition key
see Key
Immobiliser ................................................ 92 Implied
warranty
Ve hicle ................................................... 31
In-Car Of fice ............................................ .273
Fe atures .............................................. 273
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 16 3
Selecting ............................................. 16 3
Inspection see AS SYST PLUS
Instrument clus ter
Fu nction/no tes ............................2 41,24 2
Instrument display Function/no tes ................................... 24 2
Instrument clus ter ................................. 10
Wa rning/indicator lamps .................... .415
Instrument display and on-board
compu ter
Fu nction/no tes .................................... 241
Intelligent Light Sy stem
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127 Index
445

Optimised acceleration
...........................15 5
Ac tivating ............................................ 15 5
Outside mir rors ............................... 136, 137
Anti-dazzle mode (automatic) .............. 137
Au tomatic mir rorfo lding function ........ 13 8
Fo lding in/out .................................... .136
Operating the memory function ........... 11 2
Pa rking position .................................. .137
Setting ................................................. 13 6
Overhead control panel Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 22
Owner's Manual (digital) ...........................18 P
Pa int code ................................................ 343
Pa intwork (cleaning instructions) .........297
Pa nel heating
Setting .................................................1 07
Pa rk position
Inserting .............................................. 16 6
Selecting au tomatical ly....................... 16 6Pa
rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 208
Ac tivating ............................................ .211
Ad justing warning tones ...................... 212
Deactivating ......................................... 211
Fu nction .............................................. 208
Sy stem limitations ...............................2 08
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .122
Pa rking position
Outside mir rors ................................... 137
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 13 8
Pa rking up ................................................ 17 9
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff Pe
destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem
Pe riod out of use
Ac tivating/deactivating standby
mode .................................................. .180
St andby mode function ...................... .180
Pe rm issible axle load .............................. 343
Pe rm itted towing me thods .................... .317
Pe trol ........................................................ 347
Pe trol station prices ............................... 263
Pe ts in the vehicle .................................... .70
Plastic trim (Care) ................................... 302
Po we r closing function
Door ...................................................... 78
Po we r supp ly
Switching on (S tart/S top button) ........ 15 0
Po we r windo ws
see Side windo ws Index
451

Ve
nts
see Air vents
VIN ............................................................ 343
Identification plate .............................. 343
Seat ..................................................... 343
Wi ndsc reen ......................................... 343
Vi sion
Demisting windo ws............................. 14 2W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 304
Setting up ............................................ 305
Wa rning/indicator lamp
! ABSwarning lamp ...................... 424
J Brake sy stem warning lamp
(red) .................................................... 422 J
Brake sy stem warning lamp
(yellow) ................................................ 422
ÿ Coolant warning lamp ................ .418
! Electric pa rking brake indicator
lamp (red) ............................................ 421
# Electrical fault warning lamp ...... 420
; Engine diagnosis warning lamp .. 420
å ESP®
OFF warning lamp ............ .426
÷ ESP®
wa rning lamp flashes ........ 425
÷ ESP®
wa rning lamp lights up ...... 425
8 Fuelreser vewarning lamp
lights up .............................................. .421
Ù Powe rst eering warning lamp
(red) .................................................... .418
6 Restra int sy stem warning lamp .. .416
ü Seat belt warning lamp flashes .. .416
ü Seat belt warning lamp lights
up ........................................................ 417
ä Suspension warning lamp (yel‐
low) .................................................... .424 !
The electric parking brake (yel‐
low) indicator lamp .............................. 421
ï Trailer tow hit chwarning lamp .... 417
h Tyre pressure monitoring sys‐
te m wa rning lamp flashes .................. .427
h Tyre pressure monitoring sys‐
te m wa rning lamp lights up ................ .427
L Warning lamp for dis tance
wa rning function ................................ .423
Wa rning/indicator lamps ........................41 5
Overview ..............................................4 15
PA SSENGER AIR BAG ............................ .47
Wa rranty ..................................................... 31
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care) .......................... 297
Wa ter tank
see Air-water duct
We ather information ............................... 263
We b br owser
Overview ..............................................2 74460
Index