2018 MERCEDES-BENZ E-CLASS CABRIOLET lock

Display messages
Possible causes/consequences and M
MSolutions
_ Front left seat backrest not
locked (Example) *T
he seat backrest of the cor responding front seat is not engaged. #
Foldthe seat backrest back until it engages.
Ð Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning Steering capability is considerably impaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
Ð *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. 516
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Steering malfunction
Increased physical effort
See Owner's Manual #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
M *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions. #
Close the bonn et.
C *A
t least one door is open. #
Close all doors.
N *T
he boot lid is open. Display messages and
warning/indicator lamps 517

Display messages
Possible causes/consequences and M
MSolutions &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
¥ Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid (→ page 398).
ï Check trailer hitch lock
(white displ aymessa ge) *T
he trailer tow hit chwill not be operational when you drive with a trailer. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure (→ page246). #
When the display message disappears, couple up the trailer and drive on. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 518
Displaymessa ges and warning/indicator lamps

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 drive sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may increase in
an eme rgency braking situation. In addition, 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. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. 530
Display messages and warning/indicator lamps

1,
2, 3 ...
4MATIC ..................................................... 173
Fu nction ............................................... 173
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 .................................... 21
360° Camera .......................................... .225
Fu nction .............................................. 225
Opening the camera co ver (r eve rsing
camera) .............................................. .228
Selecting a view .................................. 228
Setting favo urites ................................ 229
Swit ching automatic operation
on/off (r eversing camera) .................. .228 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 14 5
Switching on/off (control panel) ......... 14 5ABS (Anti-lock Braking Sy
stem) ............ .187
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
) .............................3 59
Setting (Blu etoo th®
) ............................ 358
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .352
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 73
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ... 390
Ac tive Blind Spot Assi st......................... 239
Ac tivating/deactivating ...................... .242
Brake application ................................. 24 0
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Tr ailer operation .................................. 24 0
Ac tive bonn et(pedestrian pr otection) .. 392
Operation ............................................ 392
Re setting ............................................. 392 Ac
tive Brake Assi st
Fu nction/no tes ................................... 19 3
Setting ................................................. 197
Ac tive Di stance Assist DISTRO NIC........ 202
Ac tive Emergency Stop Assist .............. 211
Ac tive Lane Change Assi st................... 210
Calling up a speed .............................. .204
Displ ays in the instrument display .......2 12
Fu nction .............................................. 202
Increasing/decreasing speed .............. 204
Re quirements: .................................... .204
Ro ute-based speed adap tation ........... .206
Selecting ............................................. 204
St eering wheel buttons ....................... 204
St oring a speed ................................... 204
Switching off/deactivating .................. 204
Switching on/activating ......................2 04
Sy stem limitations ...............................2 02
Ac tive Eme rgency Stop Assist ................ 211
Ac tive headlamps .................................... 13 0
Ac tive Lane Change Assi st..................... 210
Ac tivating/deactivating ........................ 211
Fu nction ............................................... 210540
Index

AIR
BODY CONT ROL................................ .215
Setting ................................................. 217
Suspension .......................................... 215
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .143
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 15 3
Ad justing (front) .................................. 15 3
Ad justing (rear) .................................... 15 3
Ad justing the AIRSCARF vents ............. 154
Glo vebox .............................................1 54
Air vents
see Air vents
Ai r-re circulation mode ............................ 14 6Air-water duct
.......................................... 399
Ke eping free ........................................3 99
Airbag ........................................................ .38
Ac tivation .............................................. 31
Fr ont airbag ...........................................38
Head airbag ........................................... 38
Ins tallation locations ............................ .38
Knee airbag ........................................... 38
Overview ............................................... 38
PA SSENGER AIR BAG indicator lamp .... .42
Pr otection ..............................................38
Re duced pr otection ...............................40
Side impact airbag ................................ 38
AI RC AP
Ac tivating .............................................. 92
Deactivating .......................................... 92
Ai rflow
Setting ................................................ .143
AIRSCARF Adjusting the outlets ........................... 154
Switching on/off ................................. 109
Alarm see Panic alarm Alarm sy
stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem) ................1 34
Android Auto ............................................ 348
Connecting a mobile phone ................. 348
Ending ................................................. 349
Information .......................................... 348
Overview ............................................. 348
Sound settings .................................... 349
Tr ans ferred vehicle data ......................3 49
Animals Pets in theve hicle ................................. 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft ala rmsystem
see ATA (anti-theft alarm sy stem) 542
Index

Anti-theft pr
otection
Ad ditional door lock ...............................76
Immobiliser ........................................... 96
Anti-theft pr otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay™ ....................................... 346
Connecting an iPhone ®
....................... 347
Ending .................................................3 47
No tes ................................................... 347
Overview ............................................. 346
Sound settings .................................... 347
Tr ans ferred vehicle data ......................3 49
Ashtr ay
Fr ont centre console ........................... 12 2
Re ar passenger compartment ............ .122
Assistance sy stems
see Driving saf ety sy stem Assistant display
Menu (on-board computer) .................. 257
ASS YST PLUS ........................................... 391
Battery disconnection pe riods .............3 92
Displ aying the service due date ........... 391
Fu nction/no tes ................................... 391
Re gular maintenance work .................. 391
Special service requ irements .............. 391
ATA (anti-theft ala rmsystem) .................. 96
Deactivating the alarm .......................... 97
Fu nction ................................................ 96
Fu nction of interior pr otection ............... 98
Priming/deactivating interior pr otec‐
tion ........................................................ 98
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 98
To w- aw ay protection function ................97
AT TENTION ASSI ST......................... 235, 236
Fu nction .............................................. 235
Setting ................................................. 236
Sy stem limitations ...............................2 35
At tention assistant
see ATTENTION ASSIST Au
dio mode
Connecting USB devices ..................... 368
Co pyrights ...........................................3 65
Information .......................................... 364
Inserting/removing an SD card ........... 366
Media sea rch ....................................... 371
Overview ............................................. 367
Pa use and playback function .............. .368
Selecting a track ................................. 368
Selecting playba ckoptions .................. 368
Switching on media mode ...................3 66
Tr ack list .............................................. 368
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 8
Au tomatic engine start (ECO start/
st op function) .......................................... 16 3
Au tomatic engine stop (ECO start/
st op function) .......................................... 16 3 Index
543

Overview ..............................................3
74
Sea rching for a track ........................... 376
Sea rching for and auth orisingthe
device .................................................. 375
Selecting a media pl ayer ...................... 376
Switching device via NFC ..................... 376
Boot lid Activating/deactivating theta ilgate
opening limiter ...................................... 84
Closing .................................................. 82
HANDS-FREE ACCESS .......................... .82
Locking separa tely ................................ 83
Opening ................................................. 81
Opening dimensions ............................4 68
Boot separator Closing ................................................. .91
Opening .................................................91
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes .................................................. 466
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 2Brakes
ABS (Anti-lock Braking Sy stem) ........... 187
Ac tive Brake Assi st.............................. 19 3
Ad aptive brake lights .......................... .198
BA S (Brake Assi stSystem) .................. 188
Driving tips ........................................... 161
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 2
HOLD function .................................... .214
Limited braking ef fect (salt-trea ted
ro ads) .................................................. .161
New/replaced brakepads/brake
discs .................................................... 16 0
Ru nning-in no tes ..................................1 60
Braking assi stance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
To w- starting ........................................ .431
To wing away ........................................ 427
Tr ansporting theve hicle ......................4 29
Wheel change ...................................... 447
Breakdown see Flat tyre Breakdown assistance call
see Mercedes me connect
Burmes ter®
sur round sound sy stem .....3 89
Ad justing the balance/fader ............... 390
Ad justing the sound focus ................... 390
Ad justing treble, mid-range and bass
settings ............................................... 390
Au tomatic volume adjustment ............ .390
Calling up the sound menu .................. 389
Information .......................................... 389
Switching the sur round sound on/off
............................................................ .390
Buttons Steering wheel .................................... 253 C
Call list Making a call ....................................... 342
Overview ............................................. 342
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 389
Calls ..........................................................3 38
Ac cepting ............................................ 338
Ac tivating functions du ring a call ........ 339 Index
545