2021 MERCEDES-BENZ CLA SHOOTING BRAKE check engine

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theeve nt of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. Do not continue driving. #
Notethe messages on the instrument displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 342). 484
484
Display message
s andwarning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop.
; Engine diagnosis warning
lamp *T
he yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occur red in the engine, theex haust system or the fuel system.
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 quali/ed specialist workshop.
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times aTer refuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency ope ration mode is cancelled. The vehicle need not
be checked. Display messages and
warning/indicator lamps
485
485

#
12 V battery See Owner's Man-
ual......................................................... 466
ò Acoustic presence indicator
inoperative............................................ .425
: Active Light System inoperative..... 419
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 475
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 474
¯ AdBlue system fault Engine
start not possible................................... 475
¯ AdBlue system fault See Own-
er's Manual............................................ 474
5 Add 1 litre engine oil when next
re fuelling ............................................... 476
é ATTENTION ASSIST inoperati ve..... 450
é ATTENTION ASSIS T:Take a
break!.................................................... 450 :
Automatic driving lights inoper-
ative...................................................... 419
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 427
û Before starting the engine, turn
th e steering wheel.................................. 434
J Brake immediately ........................ 448
Á Change key batteries .................... 416
è Charger cable connected .............. 425
J Check brake 0uid le vel.................. 449
ï Check trailer hitch lock (white
display message) .................................... 431
h Check tyre(s) ................................ 469
! Clean the fuel /lter....................... 439
ÿ Coolant Stop vehicle Switch
engine o............................................... 438
! currently una vailable See Own-
er's Manual............................................4 61
÷ currently una vailable See Own-
er's Manual............................................4 625
Engine oil le vel cannot be meas-
ured....................................................... 477
5 Engine oil le velRe duce oil le vel..... 476
5 Engine oil le velSt op vehicle
Switch engine o.................................... 476
5 Engine oil pressure Stop Switch
o. engine.............................................. 477
ä Fault Drive at max. 80 km/h ......... 460
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 13
& inoperative Battery low................. 422
& inoperative Char geHV battery...... 423
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 423
& inoperative Refuel vehicle............. .423
& inoperative See Owner's Man........ 422
! inoperative See Owner's Manual.. .462
÷ inoperative See Owner's Manual.. .463
T inoperative See Owner's Manual.. .464
G Inoperative................................... 465 502 502
Index

Au
xiliary battery malfunction (white
displ aymessage) .................................... 444
Beginning emer gency stop..................... 454
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 455
Blind Spot Assist inoperative.................. 456
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 456
Cann otstart engine See Owner's
Manual................................................. .437
Charging fault Please change charging
me thod See Owner's Manual .................426
Charging me thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 426
Check brake pads See Owner's Man-
ual........................................................ .449
Check tyre pressures then restart Run
Flat Indicator......................................... 472 Clutch
overheated Avoid pulling away
until thewa rning goes out...................... 443
Cruise control and Limiter inoperative.... 450
Cruise control inoperative...................... 450
Cruise control o.................................... 451
Depress clutch fully tostart engine........ 443
Device de tected at diagnostics con-
nection See Owner's Manual..................4 66
Drive system Malfunction Stop Switch
engine o............................................... 439
Drive system Malfunction Visit work-
shop ...................................................... 439
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .414
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .415
Hazard warning lamps malfunctioning .... 422
Head-up display cur rently una vailable
See Owner's Manual.............................. 432
Head-up display inoperative ...................433Limiter inoperative................................. 451
Limiter passive....................................... 451
N permanently active Risk of
vehicle
ro lling....................................................4 41
Not possible tounlock charging cable
See Owner's Manual.............................. 425
Only elect ric drive available Power
limited................................................... 426
Only select Park (P) when vehicle is
stationary.............................................. 440
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 460
Pa rking lock inoperative Apply the
parking brake ........................................ .442
Place theke y in the mar ked space
See Owner's Manual.............................. 418
PRE-SAFE inoperative See Owner's
Manual.................................................. 416
Re duce speed........................................ 471 Index
505 505

Re
duced drive system per form ance
See Owner's Manual.............................. 427
Re versing not poss. Consult workshop ... 441
Risk of vehicle rolling away App ly
parking brake See Owner's Manual ........ 443
Risk of vehicle rolling awayPa rking
brake not applied See Owner's Manual ... 448
Risk of vehicle rolling Driver door
open and transmission not in P .............. 441
Ru n Flat Indica tor inoperative................. 472
Speed limit (winter tyres) XXX km/h .......453
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 453
Speed Limit Assist inoperative................ 453
Te aching in transmission comple te......... 443
Te aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 442
To shiT out of P or N,depress brake
and start engine.................................... .440 To
switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 437
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 455
Tr a1c Sign Assist inoperative................. 455
Tr ansmission Malfunction ....................... 442
Tr ansmission Malfunction Stop............... 441
Tr ansmission Malfunction Visit work-
shop ...................................................... 443
Ty re press. monitor cur rently una vaila-
ble......................................................... 468
Ty re press. monitor inoperative .............. 468
Ty re press. monitor inoperative No
wheel sensors ........................................ 469
Ty re pressure Check tyres ...................... 471
Ty re(s) ove rheated .................................. 471
Ve hicle not cur rently being charged
Charging station fault............................. 426
Wi per malfunctioning .............................436 Wi
thout changing gear, consult work-
shop ............................................. .428, 441
Wi thout starting engine again, consult
wo rkshop ............................................... 428
Dist Dist ance contr
ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 85
Child saf ety lock (rear door )..................... 79
Locking/unlocking (emer gency key)........ .89
Opening (from inside).............................. .86
Unlo cking (from inside)............................ 86
Door contr
Door contr ol panel
ol panel......................................... 18
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .272
Dr
Dr iv
ive position
e position
Engaging................................................ 188
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 182 506
506
Index

Easy e
Easy e
xit f
xit feature
eature
Fu nction/no tes...................................... 117
Setting................................................... 118
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Dis
ce Dis tr
tribution)
ibution)
Fu nction/no tes...................................... 227
EC
EC O Assist
O Assist
Fu nction/no tes...................................... 179
EC
EC O display
O display
Fu nction................................................ 177
EC
EC O st
O st ar
art/st
t/st op function
op function
Switching o./on.................................... 176
Electr
Electr ic dr
ic drive
ive................................................ 165
Electr
Electr ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 218
Applying/releasing manually.................. 220
Emer gency braking................................ 221
Re leasing automaticall y.......................... 220
Electr Electr ical fuses
ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .29
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram) Emerg
Emerg
ency
ency
Assis tance overview................................. 20
Fire extinguisher.................................... 353
Fi rs t-aid kit (soT sided).......................... 353
Re moving thewa rning triangle............... 352
Saf etyve st............................................. 352
Setting up thewa rning triangle............... 353
Emerg
Emerg ency br
ency br aking
aking...................................... 221
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 84
Locking/unlocking the doors................... 89
Unlocking theta ilgat e.............................. 95
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .169
Emerg
Emerg ency
encyshut
shuto.
o.
see Hybrid system
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating................................................. 390
No tes..................................................... 389 Ener Ener
gy
gy0ow
0ow display
display
Displayin g.............................................. 302
Fu nction/no tes...................................... 302
Engine
Engine Engine number....................................... 395
Starting (emer gency ope ration mode). ... 169
St arting (Remo teOnline)........................ 171
Engine data Engine data Displaying.............................................. 184
Engine electr
Engine electr onics
onics
No tes..................................................... 392
Engine number
Engine number ............................................. 395
Engine oil
Engine oil Additives................................................ 402
Capacity................................................ 402
Checking the oil le vel using the on-
board computer..................................... 340
MB-F reigabe or MB-Appr oval.................. 402
Quality................................................... 402
To pping up............................................ .340
ERA ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .328
Err
Err or message
or message
see Display message 508
508
Index