2018 MERCEDES-BENZ CLS COUPE sensor

Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor is inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop.
! Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter must be drained off. #
Consult a qualified specialist workshop.
¸ Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
8 Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel. 500
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (→ page 407). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
h Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
re cei ved. The tyre pressure monitoring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified. 506
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
he tyre pressure sensor signal is missing from one or more tyre(s). The pressure of the af fected tyre is not dis‐
pl ay ed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring 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.
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. Display messages and
warning/indicator lamps 507

Display messages
Possible causes/consequences and M
MSolutions
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop.
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary (→ page 424).
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 521

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving. #
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 Display messages and
warning/indicator lamps 537

Buttons
Steering wheel .................................... 254 C
Call list Making a call ....................................... 338
Overview ............................................. 337
Calling up the sound menu
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 385
Burmes ter®
sur round sound sy stem ... 384
Calls ..........................................................3 34
Ac cepting ............................................ 334
Ac tivating functions du ring a call ........ 334
Calls wi thseveral participants ............ .334
Declining ............................................. 334
Ending a call ........................................ 334
Incoming call during an existing call .... 335
Making ................................................ 334
Vi ath eove rhead control panel
(Mercedes me connect) ......................3 46
Camera see 360° Camera
see Reversing camera Car
key
see Key
Car wash
see Care
Car wash (care) ....................................... 395
Care ..........................................................4 02
Air-water duct ...................................... 395
AIRPANEL ............................................ 400
Car wash ............................................. 395
Carpet .................................................4 02
Decorative foil .................................... .398
Displ ay................................................ 402
Exterior lighting ................................... 400
High-pressure cleaner ......................... 396
Matt finish ........................................... 397
Pa int wo rk ............................................ 397
Plastic trim .......................................... 402
Re alwo od/trim elements ...................4 02
Re versing camera/360° Camera ........ 400
Ro of lining ...........................................4 02
Seat belt .............................................. 402
Seat co ver ........................................... 402
Sensors ............................................... 400
Ta ilpipes .............................................. 400
Tr ailer hit ch......................................... 400 Wa
shing byhand ................................. 396
Wheels/rims ....................................... 400
Wi ndo ws .............................................. 400
Wi per blades .......................................4 00
Carpet (Care) .......................................... .402
Changing gears ........................................ 16 3
Manually ..............................................1 63
Changing hub caps .................................. 441
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 12 2
Cha rging
Bat tery (vehicle) ...................................4 17
USB port ..............................................1 19
Chassis Damping characteristics ...................... 209
DY NA MIC BODY CONTROL .................. 209
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .212
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 294
Re ar door .............................................. 63 Index
547

Tinope
rative See Owner's Man‐
ual ....................................................... 470
G Inoperative .................................. 482
bIntellige nt Light System inoper‐
ative ..................................................... 521
ÂKe y not de tected (white dis‐
pl ay messa ge)...................................... 51 0
 Key not de tected (red displ ay
messa ge).............................................5 10
b Left dipped beam (Example) ....... 520
6Left windowbag malfunction
Consult workshop (Example) ...............478
Limiter inoperative .............................. 492
Limiter passive .................................... 492
¢ Lowe ring .................................... 483
bMalfunction See Owner's Man‐
ual ....................................................... 521
ðMaximum speed exceeded ..........4 92
Mercedes me connect Services limi‐
te d See Owner's Manual ...................... 481 N permanently active Risk of
vehicle
ro lling .................................................. .514
ç Off............................................... 490
ëOff ............................................... 490
Only select Park (P) when vehicle is
st ationary ............................................ .514
ï Operation only possible in
transmission position N .......................513
ï Operation only possible in
transmission position P ........................513
! Parking brake See Owner's
Manual ................................................ .473
 Place theke y in the mar ked
space See Owner's Manual ..................51 0
Please reduce speed ...........................4 85
PRE-SAFE impulse side inope rative
See Owner's Manual ............................ 481
PRE-SAFE inope rative See Owner's
Manual ................................................. 481 Ra
dar sensors dirty See Owner's
Manual .................................................4 71
_ Rear left seat backrest not
loc ked (Example) .................................. 516
h Rectify tyre pressure ................... 505
Re duce speed ...................................... 508
ØRe fill Ad Blue Eng. start not pos‐
sible .................................................... 502
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................5 01
! Release parking brake .................472
¸ Replace air cleaner .....................500
,Re placekey See Owner's Man‐
ual ...................................................... .509
ÂRe placekey ................................ .509
8Re servefuel le vel........................ 500
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 477
Re versing not poss. Consult work‐
shop ..................................................... 51 5 Index
553

Risk of
vehicle rolling Driver door
open and transmission not in P ............514
# See Owner's Manual ................... 494
Speed limit (winter tyres) XXX km/h ... 492
ÐSt eering malfunction Drive
carefully Visit workshop ....................... 517
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....51 8
Ð Steering malfunction Stop
immediately See Owner's Manual ........517
St op vehicle Lea veengine running
Wa itTransmission cooling ....................516
# Stop vehicle Lea veengine run‐
ning ..................................................... 495
#St opvehicle See Owner's Man‐
ual .......................................................4 95
ÉSt opvehicle Vehicle too low ........ 484
çsuspended ................................... 491
bSwitch off lights .......................... 522
bSwitch on headlamps .................. 522To
shift out of P or N,depress brake
and start engine .................................. .514
To p up coolant See Owner ’sManual ... 493
¥To p upwasher fluid .................... .520
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 489
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Tr af fic Sign Assi stinope rative ............. 489
ïTr ailer coupling extending… .........511
Tr ansmission Malfunction Stop ............ 51 5
! Turn on the ignition torelease
th e parking brake ................................. 471
h Tyre press. monitor cur rently
una vailable .......................................... 506
hTy repress. monitor inoperative
No wheel sensors ................................ 507
hTy repress. monitor inoperative ...507
Ty re pressure Check tyres ...................504
Ty re(s) ove rheated ...............................5 08dVe
hicle is operational Switch
off the ignition before exiting .............. .511
É Vehicle rising Please wait............ 483
ÉVe hiclerising ...............................4 83
hWa rning tyre defect .....................506
hWheel sensor(s) missing .............. 507
Wi thout changing gear, consult work‐
shop ..................................................... 51 5
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................71
Child saf ety lock (rear door) .................. 63
Locking (emer gency key) ...................... .75
Opening (from the inside) ......................71
Un locking (emer gency key) .................... 75554
Index