2019 MERCEDES-BENZ CLA COUPE warning lights

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(/ page 39).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Fu nction of Active Brake Assi st (/ page 197). Displ
aymessa ges and warning/indicator lamps 589

Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need not
be checked.
# Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages on the multifunction displa y.
æ
Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. 590
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 451). #
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. &
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. 592
Display messages and warning/indicator lamps

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

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

Fu
se box in the engine compartment .. 482
Fu se box in the front passenger foot‐
we ll ...................................................... 483
No tes .................................................. 482 G
Garage door opener Cleari ngthe memory ........................... 185
Opening or closing the door ................1 85
Programming buttons .......................... 183
Ra dio equipment appr oval numbers .... 186
Re solving problems ............................. 184
Synchronising thero lling code ............ 184
Gearshift recommendation .............169, 173
Genera l operating permit number
(EU) .......................................................... .512
Genuine parts ............................................ 22
Glide mode ............................................... 173
Global sear ch
Fu nction ............................................... 315
Overview ..............................................3 15
Glo vebox
Locking/unlocking .............................. .111 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 485
HANDS-FREE ACCESS ................................ 87
Hazard warning lights ............................ .131
Head restra int
Fr ont (adjusting mechanically) .............1 02
Re ar (adjusting) .................................. .103
Re ar (fitting/removing) ........................ 103
Head-up display ....................................... 270
Ad justing display elements (on-board
compu ter) ............................................ 270
Ad justing the brightness (on-board
computer) ............................................ 270
Fu nction .............................................. 271
Menu (on-board computer) .................. 270
Operating the memory function ..........1 09
Setting the position (on-board com‐
puter) .................................................. 270
Switching on/off ................................. 271
Headlamp flasher ................................... .130 Heating
see Clima tecontrol
High beam Adaptive Highbeam Assist .................. .133
Ad aptive Highbeam Assist Plus .......... .134
Switching on/off ................................. 13 0
High-pressure cleaner (care) ................. 454
Hill Start Assist ........................................ 219
HOLD function ......................................... 219
Fu nction/no tes .................................... 219
Switching on/off ................................. 220
Home sc reen (media display)
Overview ............................................ .292
Hotspot Setting up (Wi-Fi) ................................. 330 I
i-Size child seat securing sy stem
Fitting .................................................... 63
Seats suitable for attaching ................... 62
Identification plate Engine .................................................. 512
Ve hicle .................................................5 1261 4
Index

On-board electronics
Engine electronics ...............................5 10
No tes ................................................... 51 0
Tw o-w ayradios .................................... 51 0
Online services see In-Car Of fice
Open-source so ftwa re .............................. 33
Opening the bo otlid using your foot
HANDS-FREE ACCESS .......................... .87
Operating fluids
Ad Blue ®
............................................... 51 8
Ad ditives (fuel) .....................................5 16
Brake fluid .......................................... .521
Coolant (engine) .................................. 521
Engine oil ............................................ .519
Fu el (diesel) ......................................... 517
Fu el (petrol) ......................................... 51 5
No tes ................................................... 514
Wi ndsc reen washer fluid .................... .522
Operating saf ety
Declaration of conformity (electro‐
magnetic compatibility) ........................ .24
Declaration of conformity (ja ck) ............ 27
Declaration of conformity (TIREFIT kit) .. 28 Declaration of conformity (wireless
ve
hicle components) ............................. 24
Information ............................................ 23
Operating sy stem
see On-board computer
Outside mir rors ............................... 142, 14 3
Anti-dazzle mode (automatic) .............. 14 3
Au tomatic mir rorfo lding function ........ 14 4
Fo lding in/out .................................... .142
Operating the memory function ..........1 09
Pa rking position .................................. .143
Setting ................................................. 14 2
Overhead control panel Overview ................................................ 14
Owner's Manual Vehicle equipment ................................. 23
Owner's Manual (digital) .......................... 20 P
Pa int code ................................................ .512
Pa intwork (cleaning instructions) .........455
Pa noramic sliding sunroof
see Sliding sunroof Pa
rk position
Inserting .............................................. 171
Selecting au tomatical ly........................ 171
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 222
Ac tivating ............................................ 226
Ad justing warning tones ...................... 226
Deactivating ........................................ 226
Fu nction .............................................. 222
Problems ............................................. 223
Side impact pr otection ........................ 225
Sy stem limitations ...............................2 22
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .128
Pa rking options
see Parking service Index
623

St
arting the automatic service sta‐
tion sear ch.......................................... 358
Switching the automatic filling sta‐
tion sear chon/off ...............................3 58
Wi th intermediate destinations .......... .356
Ro ute guidance ....................................... 360
Cancelling .......................................... .365
Changing direction .............................. 360
Destination reached ............................ 364
Fr om an off-road location .................... 365
Lane recommendations ....................... 362
Mo torw ay information ........................ .362
No tes .................................................. 360
Off-road ............................................... 365
To an off- road destination .................. .365
Ro ute guidance with augmented real‐
ity .............................................................. 372
Ac tivating ............................................ 373
Displ aying stre et names and house
numbe rs.............................................. 373
Overview ............................................. 372
Switching on displ ayof traf fic lights .... 374
Ro ute-based speed adaptation
Displ ays in the instrument display .......2 17
Fu nction ............................................... 212Ro
ute-based speed adjustment
Setting ................................................ .213
Ru n-flat characteristics
MOExtended tyres ............................... 465
Ru nning-in no tes ...................................... 161 S
Saf ety sy stems
see Driving saf ety sy stem
Saf etyve st ............................................... 462
Satelli temap ........................................... 380
Seat ................................................... 100,11 2
4-w aylumbar support .......................... 102
Ad justing (electrically) ......................... 101
Ad justing (Seat Comfort) ..................... 101
Backrest (rear) locking ......................... 11 4
Con figuring the settings ......................1 04
Cor rect driver's seat position .............. 100
ENERGIZING seat kinetics ................... 336
Fo lding the backrest (rear) back ..........1 13
Fo lding the backrest (rear) forw ards .... 11 2
Operating the memory function ..........1 09
Re setting the settings .......................... 104
Setting options ...................................... 16Seat belt
............................................... 36, 40
Ac tivating/deactivating seat belt
adjustment ............................................ 40
Ca re .................................................... 460
Fa stening ............................................... 39
Pr otection ..............................................36
Re ar seat belt status display ................ .40
Re duced pr otection ...............................37
Re leasing .............................................. .40
Seat belt adjustment (function) ............. 40
Wa rning lamp ........................................ 40
Seat belt adju stment
Ac tivating/deactivating ......................... 40
Fu nction ................................................ 40
Seat belt tensioners
Ac tivation .............................................. 35
Seat belt warning
see Seat belt
Seat co ver (Care) .................................... .460
Seat heater Activating/deactivating ...................... .104
Seat kinetics Setting ................................................. 336 Index
627