2018 MERCEDES-BENZ E-CLASS CABRIOLET warning

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 398). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
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. 536
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres.
h Ty re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minu teand then remains lit.
The tyre pressu remonitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres. Display messages and
warning/indicator lamps 537

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ð Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. &
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. #
Obser vethe messages on the multifunction displa y.538
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
The trailer tow hit chis not operational or swivels. &
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. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Obser vethe messages on the multifunction displa y.
If th e trailer hitch swivels: #
Wait until the ball coupling has reached the operational position. Display messages and
warning/indicator lamps 539

6Example: Left windowbag mal‐
function Consult
workshop ................. 483
Fa ult Drive at max. 80 km/h ...............490
6Fr ont left malfunction Consult
wo rkshop (Example) ............................4 85
_Fr ont left seat backrest not
loc ked (Example) .................................. 516
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 82
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 481
b Hazard warning lamps mal‐
functioning .......................................... 524
&inoperative Bat tery low ................ 521
&inoperative Refuel vehicle ............ 521
&inoperative See Owner's Man. ....520
!inoperative See Owner's Man‐
ual ....................................................... 480
÷inoperative See Owner's Man‐
ual ....................................................... 480 Tinoperative See Owner's Man‐
ual
....................................................... 477
G Inoperative .................................. 484
bIntellige nt Light System inoper‐
ative ....................................................5 23
ÁKe y not de tected (red displ ay
messa ge).............................................5 13
Á Key not de tected (white dis‐
pl ay messa ge)...................................... 513
b Left dipped beam (Example) ....... 523
6Left windowbag malfunction
Consult workshop (Example) ............... 481
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 520
Limiter inoperative .............................. 494
Limiter passive .................................... 494
¢ Lowe ring .................................... 492
bMalfunction See Owner's Man‐
ual ....................................................... 524
ðMaximum speed exceeded ..........4 94 Mercedes me connect Services limi‐
te
d See Owner's Manual .....................484
Mo tor can be star ted again .................4 99
N permanently active Risk of vehicle
ro lling .................................................. 506
çOff .............................................. .492
ëOff ............................................... 489
Only select Park (P) when vehicle is
st ationary ............................................ 507
K Open/close top comple tely ........ 521
ïOpe ration only possible in
transmission position N .......................515
ï Operation only possible in
transmission position P ........................51 5
! Parking brake See Owner's
Manual ................................................ .474
Á Place theke y in the mar ked
space See Owner's Manual ..................514
K Please check direction of tr avel ...... 484
Please reduce speed ...........................4 87552
Index

High beam
Adaptive Highbeam Assist Plus .......... .132
Switching on/off ................................. 12 9
High-pressure cleaner (care) ................. 400
Hill Start Assist ........................................ 213
HOLD function ......................................... 214
Fu nction/no tes .................................... 214
Switching on/off ................................. 214
Hooking the luggage net .........................119
Hotspot Setting up (Wi-Fi) ................................. 294
Via business telephony ........................ 292 I
i-Size child seat securing sy stem
Fitting .................................................... 59
Seats suitable for attaching ................... 58
Identification plate Engine ................................................. 457
Vehicle ................................................ 457
Ignition Switching on (S tart/S top button) ........ 15 6Ignition
key
see Key
Immobiliser ................................................ 96
Implied warranty
Ve hicle .................................................. 26
In Car Of fice
Calling up ............................................ 344
Fe atures .............................................. 344
Marking a to-do entry as compl eted ....3 45
Noting an incoming call ....................... 345
Selecting functions .............................. 345
Switching auto maticstart on/off ........ 345
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 16 8
Selecting ............................................. 16 8
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................2 52
Ad justing the lighting ........................... 257 Fu
nction/no tes ................................... 252
Instrument clus ter ................................... 8
Setting the additional value range ....... 255
Wa rning/indicator lamps .................... 526
Instrument lighting .................................257
Intelligent Light Sy stem .......................... 13 0
Ac tive headla mps ................................ 13 0
Ad aptive Highbeam Assist Plus .......... .132
Ad versewe ather light .......................... 13 2
City lighting ........................................ .132
Cornering light ..................................... 131
Fo g light (extended range) ................... 131
Mo torw ay mode ................................... 131
Overview ............................................. 13 0
Switching on/off ................................. 13 2
Interior lighting ........................................ 13 4
Ambient lighting .................................. 13 4
Re ading light ........................................ 13 4
Setting ................................................. 13 4
Switch-off del aytime ........................... 13 5
Interior pr otection
Fu nction ................................................ 98
Priming/deactivating ............................. 98 Index
559

Ke
y functions
Deactivating .......................................... 73
KEYLESS-GO Locking theve hicle ................................ 78
Problem .................................................79
Un locking setting .................................. .73
Un locking theve hicle ............................78
Kickd own.................................................. 172
Using ................................................... 172
Knee airbag ................................................ 38 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
Language .................................................2 96
No tes .................................................. 296
Setting .................................................2 96LED light
see Intelligent Light Sy stem
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................. 127
Lighting see In terior lighting
see Lights
Lights ........................................................ 127
Ac tive headla mps ................................ 13 0
Ad aptive Highbeam Assist Plus .......... .132
Ad justing the instrument lighting ........ 257
Ad versewe ather light .......................... 13 2
Au tomatic driving lights ....................... 12 8
City lighting ........................................ .132
Combination switch ............................ .129
Cornering light ..................................... 131
Driving ab road (symm etrical dipped
beam) .................................................. 127
Fo g light (extended range) ................... 131
Haza rdwa rning lights .......................... 13 0
Headla mpflasher ................................ 12 9
High beam ........................................... 12 9Intellige
nt Light Sy stem ....................... 13 0
Light switch ......................................... 127
Low beam ............................................ 127
Mo torw ay mode ................................... 131
Pa rking lights ...................................... .127
Re ar fog light ....................................... 127
Re sponsibility for lighting sy stems .......1 27
Setting the dipped beam ..................... 13 3
Setting theex terior lighting switch-
off delay time ...................................... 13 4
Setting the sur round lighting .............. .134
St anding lights .................................... .127
Tu rn signal lights ................................. 12 9
Limiter ...................................................... 19 9
Ac tivating ............................................ 200
Buttons ................................................ 200
Calling up a speed ............................... 200
Deactivating ........................................ 200
Fu nction .............................................. 19 9
Pa ssive mode ...................................... 19 9
Pe rm anent setting .............................. .201
Re quirements: .................................... .200
Selecting ............................................. 200
Setting a speed ................................... 200
St oring a speed ................................... 200 Index
561

Outside mir
rors ............................... 139, 14 0
Anti-dazzle mode (automatic) .............. 14 0
Au tomatic mir rorfo lding function ........ 141
Fo lding in/out .................................... .139
Operating the memory function ........... 11 3
Pa rking position .................................. .140
Setting ................................................. 13 9
Overhead control panel Making calls (Mercedes me connect) .. 351
Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 21
Owner's Manual (digital) ...........................18 P
Pa int code ................................................ 457
Pa intwork (cleaning instructions) .........402
Pa nel heating
Setting .................................................1 08
Pa nic alarm ................................................ 73
Ac tivating/deactivating ......................... 73
Pa rk position
Inserting .............................................. 17 0Selecting au
tomatical ly....................... 17 0
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC ................... 218
Ac tivating ............................................ 221
Ad justing warning tones ...................... 221
Deactivating ........................................ 221
Fu nction ............................................... 218
Side impact pr otection .........................2 19
Sy stem limitations ...............................2 18
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .127
Pa rking position
Outside mir rors ................................... 14 0
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 141
Pa rking up ................................................ 185PA
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 rm issible axle load .............................. 457
Pe rm itted towing me thods .................... .426
Pe rsonalisation
see User profile
Pe trol ........................................................ 461
Pe ts in the vehicle .................................... .70
Phone book see Contacts
Picture form ats
see Video mode
Picture settings see Video mode Index
567