warning MERCEDES-BENZ E-CLASS CABRIOLET 2020 Owners Manual

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

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

!
Turn on the ignition torelease
th e parking brake ................................ 384
d Vehicle is operational Switch
off ignition before exiting .................... .371
É Vehicle rising Please wait.......... .391
É Vehicle rising .............................. 391
h Warning tyre defect .................... 407
h Wheel sensor(s) missing ............ 405
K While stationar y,apply the
brake before operating the soft top .....3 65
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss. .............................................. 41 0
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........393
Ac tive Blind Spot Assi stinope rative .... 394
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 394 Ac
tive bonnet malfunction See Own‐
er's Manual .......................................... 373
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 400
Ac tive Brake Assi stFunctions limited
See Owner's Manual ............................ 401
Ac tive Dis tance Assi stavailable
again .................................................. .387
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........386
Ac tive Dis tance Assi stinope rative ....... 387
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........394
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 394
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual .......................................... 391 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 .........387
Ac tive Steering Assist inoperative .......388
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .........388
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 .........369
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 369
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .369
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .369 Index
439

App
lybrake todeselect Park (P)
position ...............................................3 78
App lybrake toselect D or R ................378
App lybrake toselect R ........................ 378
Au xilia rybattery malfunction .............. 380
Beginning emer gency stop .................. 388
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 393
Blind Spot Assist inope rative ............... 393
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...3 93
Cannot start engine See Owner's
Manual ................................................ 404
Check tyre pressures then restart
Ru n Flat Indicator ................................ 409
Cruise control and Limiter inope ra‐
tive ...................................................... 385
Cruise control inope rative ................... 385
Cruise control off ................................ 385 Fr
ont-passenger airbag disabled See
Owner's Manual ................................... 361
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 361
Hazard warning lamps malfunction‐
ing ...................................................... .369
Limi ter inoperative .............................. 386
Limiter passive .................................... 385
Mercedes me connect Services limi‐
te d See Owner's Manual ...................... 401
Mo tor can be star ted again .................4 04
N permanently active Risk of vehicle
ro lling .................................................. 379
Only select Park (P) when vehicle is
st ationary ............................................ 377
Place theke y in the mar ked space
See Owner's Manual ...........................364
PRE-SAFE inoperative See Owner's
Manual ................................................ 362
Re duce speed ...................................... 408 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 ............. 409
Speed limit (winter tyres) XXX km/h ... 387
St op vehicle Lea veengine running
Wa itTransmission cooling ...................380
To shift out of P or N,depress brake
and start engine .................................. 378
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 ...................... 392
Tr af fic Sign Assi stinope rative ............. 392
Tr ansmission Malfunction Stop ........... 379
Ty re press. monitor cur rently una vail‐
able .................................................... .405
Ty re press. monitor inoperative ...........405 440
Index

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

Ad
aptive Highbeam Assist Plus .......... .128
Ad versewe ather light .......................... 127
City lighting ........................................ .127
Corne ring light ..................................... 12 5
Fo g light (extended range) ................... 12 6
Mo torw ay mode ................................... 12 6
Overview ............................................. 12 5
Switching on/off ................................. 127
Interior lighting ........................................ 131
Ambient lighting ................................... 131
Re ading light ........................................ 131
Setting ................................................. 131
Switch-off del aytime ........................... 13 2
Interior pr otection
Fu nction ................................................ 94
Priming/deactivating ............................. 95
Internet radio
see TuneIn
Ionisation Activating/deactivating (MBUX mul‐
timedia sy stem) ................................... 14 2
iPhone ®
see Smartphone integ ration ISOFIX
child seat securing sy stem
Fitting .................................................... 60
Seats suitable for attaching ................... 58 J
Jack Declaration of conformity ...................... 27
St orage location ..................................3 34
Jump-start connection ............................316
Gene ral no tes ...................................... 314 K
Ke y.............................................................. 71
Ac oustic locking verification signal ........ 72
Battery ................................................... 73
Emergency key ...................................... 72
Energy consumption .............................. 72
Fe atures ................................................ 71
Ke yring attachment .............................. 72
Overview ................................................ 71
Problem .................................................74
Un locking setting .................................. .72
Ke y functions
Deactivating .......................................... 72KEYLESS-GO
Locking theve hicle ................................ 76
Problem .................................................77
Un locking setting .................................. .72
Un locking theve hicle ............................76
Kickd own.................................................. 167
Using ................................................... 167
Knee airbag ................................................ 42 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................1 22446
Index

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