adblue MERCEDES-BENZ E-CLASS CABRIOLET 2020 User Guide

Display messages
Possible causes/consequences and M
MSolutions
¯ AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y.Engine oil
Display messages
Possible causes/consequences and M MSolutions
5 Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (/ page 292).
No tes on engine oil (/ page 351).412
Displaymessa ges and warning/indicator lamps

Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 19 8
Displ ay................................................. 19 8
Fu nction .............................................. 19 8
Ac tive Steering Assist ............................ .201
Ac tivating/deactivating ...................... .203
Ac tive Emergency Stop Assist .............2 03
Fu nction .............................................. 201
Sy stem limits ....................................... 201
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .204
Fu nction .............................................. 203
Ad aptive brake lights ..............................19 0
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 127
Switching on/off ................................. 12 8
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 8
Switching on/off ................................. 13 0Ad
Blue ®
.................................................... 350
Ad ditives .............................................3 50
Capacity .............................................. 350
No tes ................................................... 171
Purity ................................................... 350
To pping up ...........................................1 72
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 351
Ad Blue ®
............................................... 350
Engine oil ............................................. 351
Fu el ..................................................... 348
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 ............................ .127
Af ter-sales service centre
see ASS YST PLUS AIR
BODY CONT ROL................................ 206
Setting ................................................ .207
Suspension .......................................... 206
Air conditioning menu Calling up ............................................ 14 0
Air distribution Setting ................................................ .139
Setting (MBUX multimedia sy stem) ...... 141
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 ................................................... 147
Ad justing (front) ................................... 147
Ad justing (rear) .................................... 14 8
Ad justing the AIRSCARF vents ............. 14 8
Air vents
see Air vents 430
Index

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

St
oring a speed ................................... 19 2
Sy stem limitations ...............................1 91D
Dashboa rd
see Cockpit
Data acquisition Vehicle ................................................... 31
Data storage
Electronic control units .......................... 31
Online services ...................................... 33
Ve hicle ................................................... 31
Deactivating the ala rm(ATA ).................... 93
Dealership see Qualified specialist workshop
Declaration of conformity Electromagnetic compatibility ............... 24
Jack ...................................................... .27
TIREFIT kit ............................................. 28
Wi reless vehicle components ................24
Decorative foil (cleaning instructions) .. 297
DeNOx agent see AdBlue ® De
stination entry .................................... 260
En tering a POI or address .................... 260
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................28
Diesel Low outside temp eratures ...................3 48
No tes .................................................. 348
Digital Owner's Manual .............................18
Digital Vehicle Keyst icker
Locking theve hicle ................................ 76
St arting theve hicle ............................. 15 2
Unlocking theve hicle ............................76
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 30
DIRECT SELECT le ver............................... 16 4
Engaging drive position ....................... 16 6
Engaging neutral .................................. 16 5
Engaging pa rkposition ........................ 16 6
Engaging pa rkposition automatically .. 16 6
Engaging reve rsege ar ........................ .165 Fu
nction .............................................. 16 4
Display (care) .......................................... .302
Display (MBUX multimedia sy stem)
Home screen ...................................... .249
Display (multimedia sy stem) ................ .250
Operating ............................................ 250
Display (on-board comp uter)
Displ ays on the multifunction display .. 24 5
Display message .................................... .359
Calling up (on-board computer) ........... 359
No tes .................................................. 359
Display messages ¯ - - - km/h ................................... 385
ç - - - km/h ................................... 386
È - - - km/h ................................... 385
# 12V battery See Owner's Man‐
ual ....................................................... 402
K 12V battery See Owner's Man‐
ual ....................................................... 366
Û 48 V battery See Owner's Man‐
ual ....................................................... 403 436
Index

:
Active Light Sy stem inopera‐
tive ...................................................... 368
¯ AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km ................................................ 411
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................. 411
¯ AdBlue sy stem fault Engine
st art not possible ................................ .412
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 411
5 Add 1 litre engine oil when
next refuelling ...................................... 413
é ATTENTION ASSIST inoperative
.............................................................3 92
é ATTENTION ASSIS T:Take a
break! .................................................. 392
: Automatic driving lights inoper‐
ative .................................................... 367 Á
Change key bat teries ................. 363
J Check brake fluid le vel.............. .384
# Check brake pads See Owner's
Manual ................................................ 384
5 Check eng. oil le v.when next
re fuelling .............................................. 412
ï Check trailer hit chlock .............. 371
h Check tyre(s) .............................. 406
! Clean the fuel filter .................... .377
J Close boot separator .................. 366
ÿ Coolant Stop vehicle Switch
engine off ............................................ 376
_ Currently una vailable Camera
view restricted ..................................... 396
ç Currently unavailable Radar
sensors dirty .......................................3 95
! currently una vailable See Own‐
er's Manual ........................................ .397
÷ currently una vailable See Own‐
er's Manual ........................................ .398 5
Engine oil le vel cannot be
measured ............................................ .414
5 Engine oil le velRe duce oil le vel.. 413
5 Engine oil le velSt op vehicle
Switch engine off ................................. 413
5 Engine oil pressu reStop
Switch off engine ................................. 414
ä Fault Drive at max. 80 km/h ...... 389
6 Front left malfunction Consult
wo rkshop (e xample)............................ 360
_ Front left seat backrest not
loc ked (e xamp le).................................. 374
& inoperative Battery low ..............370
& inoperative Refuel vehicle ..........3 70
& inoperative See Owner's Man. ...370
! inoperative See Owner's Man‐
ual ....................................................... 398
÷ inoperative See Owner's Man‐
ual ....................................................... 399 Index
437

T
inoperative See Owner's Man‐
ual ....................................................... 400
G Inoperati ve................................. 401
: Intelligent Light Sy stem inoper‐
ative ....................................................3 68
Á Key not de tected (red displ ay
messa ge).............................................3 64
Á Key not de tected (white displ ay
messa ge).............................................3 64
: Left dipped beam (e xamp le) ...... .367
6 Left windowbag malfunction
Consult workshop (e xample).............. .360
¢ Lowe ring .................................... 390
: Malfunction See Owner's Man‐
ual ....................................................... 367
ð Maximum speed exceeded ......... 387
Ø ................................................... 41 0
ç Off..............................................3 86
ë Off.............................................. 389 K
Open/close soft top com‐
ple tely ................................................. 366
! Parking brake See Owner's
Manual ................................................ 380
É Please reduce speed .................. 391
Ý Please wait 48 V battery charg‐
ing ...................................................... .404
h Rectify tyre pressure .................. 406
Ø Refill Ad Blue See Owne r’s
Manual ................................................ 409
! Release parking brake ................ 383
¸ Replace air cleaner .....................377
À Replace key See Owner's Man‐
ual ...................................................... .363
Á Replace key ................................ 363
8 Reser vefuel le vel...................... .377
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 360
# See Owner's Manual .................. 402
K Softtop lo wering ........................ 365 K
Softtop Operation only up to
60 km/h ............................................. 365
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....372
Ù Steering malfunction Stop
immediately See Owner's Manual .......373
# Stop vehicle Lea veengine run‐
ning ..................................................... 403
# Stop vehicle See Owner's Man‐
ual .......................................................4 03
É Stop vehicle Vehicle too low .......3 90
ç suspended ................................. 386
: Switch off lights ......................... 368
: Switch on headla mps................. 368
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual .......41 0
+ Top up coolant See Owner ’s
Manual ................................................ 375
¥ Top up washer fluid .................... 375438
Index

!
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

PRE-SAFE
®
(anticipatory occupant
pr otection) ................................................ .50
Fu nction ................................................ 50
PRE-SAFE ®
Sound ................................. 50
Re versing measures .............................. 50
PRE- SAFE®
PLUS (anticipa tory occu‐
pant pr otection plus) ................................ .51
Fu nction ................................................. 51
Re versing measures .............................. 50
Pr ev entative occupant pr otection sys‐
tem
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
Profile .......................................................2 52
Creating a new profile ......................... 253
No tes .................................................. 252
Selecting profile options ..................... 253
Prog rams
see DYNA MIC SELECT
Pr otection against collision ...................223
Pr otection of the environment
No tes ..................................................... 20
Ta ke -ba ckof end-of-life vehicles ............ 20 Pulling
away
see No tes Q
QR code Rescue card ...........................................31
Qualified specialist workshop ................. 29 R
Ra dar and ultrasonic senso rs
Damage ............................................... 181
Ra dio
Overview of the functions and sym‐
bols ..................................................... 284
Ra dio ope rating permits ......................... 343
Ra in-closing feature
Side wind ows........................................ 90
REA CHregulation ...................................... 30
Re ading light
see Interior lighting
Re ar fog light
Switching on/off .................................1 23Re
ar seat
see Seat
Re ar seat belt
St atus display ........................................ 41
Re ar seat belt status display .................... 41
Re ar window heater ................................ 13 9
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle .......................... 16 9
To pping up AdBlue ®
............................. 172
Re gistration
Ve hicle .................................................. 29
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys............................................... 14 6
Problems ............................................. 147
Re placing the battery .......................... 14 6
Setting ................................................. 14 5452
Index