sensor MERCEDES-BENZ CLA COUPE 2019 Service Manual

Display messages
Possible causes/consequences and M
MSolutions
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
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. The pressure of the af fected tyre is not
displ ayed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
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. Displ
aymessa ges and warning/indicator lamps 567

Display messages
Possible causes/consequences and M
MSolutions
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 in accordance with the tra ffic conditions. #
Check the fuses and replace them if necessary (/ page 482).
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position. Display messages and
warning/indicator lamps 57 9

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 under any circums tances. #
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 591

Car-to-X-Communication
Displaying hazard warnings ................ .371
Overview ..............................................3 71
Sending hazard warnings .................... .372
Care .......................................................... 460
Air-water duct ...................................... 452
Car wash ............................................. 452
Carpet .................................................4 60
Decorative foil .................................... .456
Displ ay................................................ 460
Exterior lighting ................................... 458
High-pressure cleaner ......................... 454
Matt finish ........................................... 455
Pa int wo rk ............................................ 455
Plastic trim .......................................... 460
Re alwo od/trim elements ...................4 60
Re versing camera ................................ 458
Re versing camera/360° Camera ........ 458
Ro of lining ...........................................4 60
Seat belt .............................................. 460
Seat co ver ........................................... 460
Sensors ............................................... 458
Ta ilpipes .............................................. 458
Tr ailer hit ch......................................... 458
Wa shing byhand ................................. 454 Wheels/rims ....................................... 458
Wi
ndo ws .............................................. 458
Wi per blades .......................................4 58
Carpet (Care) .......................................... .460
Changing bulbs ........................................ 137
Dipped beam ....................................... 13 9
Fitting/removing co ver (front wheel
ar ch ) .................................................... 13 9
Main beam ...........................................1 39
No tes ................................................... 137
Overview ............................................. 13 8
Re versing lights .................................. .139
Tu rn signal lights (rear) ........................ 13 9
Changing gears ........................................ 172
Manually ..............................................1 72
Changing hub caps .................................500
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 12 8
Cha rging
Bat tery (vehicle) ...................................4 74
USB port ..............................................1 24Child saf
ety lock
Ac tivating/deactivating (multimedia
sy stem) ............................................... 332
Re ar door .............................................. .73
Re ar side wind ows................................. 74
Child seat App rova l categories .............................. .57
At tach ing (no tes) ................................... 56
Basic instructions ..................................50
Fr ont passenger seat (no tes) ................. 71
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 70
ISOFIX/i-Size (fitting) ............................63
No tes on risks and dangers ...................51
Re commended child restra int sys‐
te ms ...................................................... 54
Seats suitable for belt-secu redch ild
re stra int sy stems ................................... 67
Seats suitable for i‑Size child
re stra int sy stems ................................... 62
Seats suitable for ISOFIX child
re stra int sy stems ................................... 59
Securing on the front passenger seat ....72
Secu ring on there ar seat ...................... 69
To pTe ther ..............................................65 602
Index

ÀAT
TENTION ASSIS T:Take a
break! .................................................. 541
b Automatic driving lights inoper‐
ative .................................................... 579
Au xilia rybattery malfunction ...............561
_ Before starting the engine, turn
th esteering wheel. .............................. 563
Beginning emer gency stop .................. 542
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................543
Blind Spot Assi stinope rative ............... 544
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 44
Brake immediately ............................... 535
ÁChange key bat teries ...................5 70
JChe ckbrake fluid le vel................ 535
Check brake pads See Owner's Man‐
ual ...................................................... .536
ïChe cktrailer hitch lo ck(white
display message) .................................5 72Check tyre pressures
then restart
Ru n Flat Indicator ................................ 565
hCheck tyre(s) ............................... 567
!Clean the fuel filter .................... .553
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... 564
?Coolant Stop vehicle Switch
engine off ............................................ 550
Cruise contro l and Limiter inope ra‐
tive ...................................................... 549
Cruise cont rol inope rative ................... 549
Cruise cont rol off ................................ 549
_ Currently una vailable Camera
view restricted ..................................... 547
ç Currently una vailable Radar
sensors dirty .......................................5 46
!cur rently una vailable See Own‐
er's Manual ........................................ .528
÷cur rently una vailable See Own‐
er's Manual ........................................ .529 Depress clutch ful
lyto start engine .....5 64
Drive sy stem Malfunction Stop
Switch engine off ................................ 554
Drive sy stem Malfunction Visit work‐
shop ....................................................5 54
5 Engine oil le vel cannot be
measured ............................................ 557
4Engine oil le velRe duce oil le vel...5 56
4Engine oil le velSt op vehicle
Switch engine off ................................ 555
4Engine oil pressure Stop Switch
off engine ............................................ 556
Fa ult Drive at max. 80 km/h ...............542
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 37
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 38
Fr ont-passenger airbag enabled See
Owner's Manual ..................................5 39 Index
607

æRe
servefuel le vel........................ 553
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 536
Re versing not poss. Consult work‐
shop ..................................................... 561
Risk of vehicle rolling away Apply
pa rking brake See Owner's Manual .....5 62
Risk of vehicle rolling away Parking
brake not applied See Owner's Man‐
ual ...................................................... .535
Risk of vehicle rolling Driver door
open and transmission not in P ...........560
Ru n Flat Indicator inope rative ............. 566
#See Owner's Manual .................... 551
Speed limit (winter tyres) XXX km/h ... 550
Speed Limit Assi stinope rative ........... .546
ÙSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....574
Ù Steering malfunction See Own‐
er's Manual ......................................... 563 ÙSt
eering malfunction Stop
immediately See Owner's Manual ........575
# Stop vehicle Lea veengine run‐
ning ..................................................... 553
#St opvehicle See Owner's Man‐
ual .......................................................5 52
çsuspended .................................. 548
b Switch off lights .......................... 579
b Switch on headlamps ..................579
Te aching in transmission comple te..... 563
Te aching in transmission Operate
selec tor le ver Brake for XX seconds
Risk of vehicle rolling .......................... 562
To shift out of P or N,depress brake
and start engine .................................. 560
ÚTo p upAdBlue Perf.re duced in
XXX miles See Owner's Manual ...........557
Ú Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km ............ 558
To p up coolant See Owner ’sManual ....551 ¥
Top up washer fluid .................... .577
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................545
Tr af fic Sign Assi stinope rative ............. 545
ï Trailer coupling extending… .........572
Tr ans. oil overheated Drive on with
care ..................................................... 562
Tr ansmission Malfunction .................... 561
Tr ansmission Malfunction Stop ............ 561
Tr ansmission Malfunction Visit work‐
shop ....................................................5 63
!Tu rnon the ignition torelease
th e parking brake ................................ 531
hTy repress. monitor cur rently
una vailable .......................................... 566
hTy repress. monitor inoperative
No wheel sensors ................................ 567
hTy repress. monitor inoperative ...566
Ty re pressure Check tyres ...................565
Ty re(s) ove rheated ...............................5 69 Index
609

dVe
hicle is operational Switch
off the ignition before exiting .............. .572
h Warning tyre defect .....................568
hWheel sensor(s) missing .............. 567
Wi thout changing gear, consult work‐
shop ..................................................... 561
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 .............................. 80
Child saf ety lock (rear door) .................. 73
Locking (emergency key) ...................... .84
Opening (from the inside) ......................80
Un locking (emer gency key) .................. .84
Un locking (from the inside) ...................80
Door cont rol panel .................................... .16Dr
aw bar
see Tow- bar sy stem
Drinks holder see Cup holder
Drive Away Assist .................................... 239
Drive Away Assist
see Pr otection against collision
Drive position Enga ging ..............................................1 72
Drive prog ram display ............................. 16 6
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Symmetrical dipped beam ...................1 28
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .191
ABS (Anti-lo ckBraking Sy stem) ........... 19 2
Ac tive Brake Assi st.............................. 197
Ad aptive brake lights .......................... .203
BA S (Brake Assi stSystem) .................. 19 2EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 6
ESP ®
Crosswind Assi st........................ 19 6
ESP ®
trailer stabilisation .................... .196
Overview .............................................. 191
Ra dar sensors ...................................... 191
Re sponsibility ...................................... 191
ST EER CONTROL ................................. 19 6
Driving sy stem
Suspension with adaptive damping
adjustment .......................................... 221
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem 61 0
Index

F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................. 311
Ad ding a destination ...........................3 50
Calling up ............................................. 311
Del eting .............................................. .312
Home address .................................... .350
Moving ................................................. 312
Overview ..............................................3 11
Re naming ............................................. 312
Wo rkaddress ...................................... 350
Fi ll le vel
Ad Blue ®
............................................... 264
Fi lling station sear ch
St arting automatic sear ch................... 358
Switching au tomatic search on/off ..... 358
Fire extinguisher ..................................... 464
Fi rs t-aid kit (soft sided) .......................... 463 Flat
towing
see Tow- bar sy stem
Flat tyre ....................................................4 64
MOExtended tyres ...............................4 65
No tes ................................................... 464
TIREFIT kit ...........................................4 66
Wheel change ...................................... 500
Floor mats ................................................ 12 6
Fo il co vering
Ra dar sensors ...................................... 191
Fr ee software ............................................ 33
Fr equencies
Mobile phone ...................................... .511
Tw o-w ayradio ...................................... 511
Fr equency band
Dialling (on-board computer) .............. .268
Fr ont airbag (driver, front passenger) ......41
Fr ont passenger seat
see Seat
Fr ont wheel ar ch..................................... 13 9
Fitting/removing the co ver .................. 13 9Fr
ont wheel ar chcover
Fitting/removing ................................. 13 9
Fu el .......................................................... .516
Ad ditives .............................................. 516
Diesel ................................................... 517
E10 ...................................................... 51 5
Fu elreser ve ......................................... 51 8
Low outside temp eratures ...................5 17
Pe trol ................................................... 51 5
Quality (diesel) ..................................... 517
Quality (petrol) ..................................... 51 5
Re fuelling ............................................. 175
Sulphur content ................................... 51 5
Ta nk content ........................................ 51 8
Fu el consum ption
On-board computer ............................ .265
Fu el consum ption indicator
Calling up ............................................ 16 8
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 482
Before replacing a fuse ........................ 482
Fu se assignment diagram ...................4 82
Fu se box in the boot ............................4 84 Index
61 3

Seat kinetics
see ENERG IZING comfort
Seat ventilation
Ac tivating/deactivating ...................... .105
Second telephone .................................. .389
Connecting .......................................... 389
Fe atures .............................................. 389
Selecting a gear
see Changing gears
Selecting the sound profile
Burmes ter®
sur round sound sy stem ... 443
Selecto r lever
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff ............................................ 46
Sensors (Care) ........................................ .458
Service Menu (on-boa rdcompu ter) .................. 264
Service see ASS YST PLUS Service centre
see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Service station sear ch
St arting automatic sear ch................... 358
Setting a speed see Cruise control
Setting the date form at .......................... 327
Setting the distance unit ........................ 332
Setting the map scale
see Map
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation .......... 169, 173
Short messages see Messages
Side impact airbag .....................................41
Side impact pr otection .......................... .225
Side windo ws............................................. 88
Au tomatic function ................................ 90 Child saf
ety lock in there ar .................. .74
Closing .................................................. 88
Closing using theke y ............................ .91
Con venience closing .............................. 91
Con venience opening ............................ 90
Opening ................................................. 88
Opening wi th theke y ............................ .90
Problem .................................................91
Ra in-closing feature .............................. .90
Sliding sunroof .......................................... 92
Au tomatic functions .............................. 95
Closing .................................................. 92
Closing using theke y ............................ .91
Opening .................................................92
Opening with theke y ............................ .90
Problem .................................................96
Ra in closing function ............................ .95
Smartphone Locking theve hicle ................................ 81
Unlocking theve hicle ............................81
Smartphone see Android Auto
see Apple CarPlay™
see Mercedes-Benz Link
see Telephone 628
Index