sensor MERCEDES-BENZ GLE COUPE 2021 Service Manual

&
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact with hot engine component parts or
th eex haust sy stem. #
Make sure that no windscre enwasher
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐
tic sur faces, e.g. MB SummerFit or MB
Wi nterFit. *
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids #
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water.Other‐
wise, thefill le vel sensor may be triggered er ro‐
neously.
Re commended windscreen washer fluid:
R abo vefreezing point: e.g. MB SummerFit
R below freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio, referto the informa‐
tion on the antif reeze conta iner.
Mix washer fluid with windsc reen washer fluid all
ye ar round. Ve
hicle data Ve
hicle dimensions The heights specifi
ed mayvary as a result of the:
R tyres R
load
R condition of the suspension
R optional equipment Missing
values werenot available at the time of
going topress. 402
Tech nical da ta

Lights
Display messages
Possible causes/consequences and 0050 0050Solutions
: Left dipped beam (examp le) *T
he cor responding light source is defective. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when allthe light-emitting
diodes in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a qualified specialist workshop.
* Ve hicles with a trailer hitch: a fuse may haveblown. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the fuses and replace them if necessary (/ page 367).
:
Automatic driving lights
inoperative *T
he light sensor for auto matic driving lights is malfunctioning. #
Consult a qualified specialist workshop. 414
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra ffic conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a qualified specialist workshop.
¸
00B0
ç
00C7 Currently unavailable
Radar sensors dirty *F
ront and corner radar sensors (hereaf ter "senso rs") are malfunctioning. Possible causes:
R The sensors are dirty
R Heavy rain or snow
R Extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normally. #
Drive on
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean all sensor co vers from outside (/ page198). #
Restart theve hicle. 444
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page 361).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start theve hicle and drive for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni torDisplay messages
Possible causes/consequences and 0050 0050Solutions
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
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the
tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. 458
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 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.
0077
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
0077 Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.
The wheel position is displa yed. A warning tone also sounds. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can burs t.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering 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 459

Display messages
Possible causes/consequences and 0050 0050Solutions #
Switch off the engine. #
Add 1 l of engine oil (/ page 337). #
Check the engine oil le vel.
No tes on engine oil (/ page 399).
00B3
Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* NO
TEEngine damage causedbydriving with insuf ficient oil pressure #
Avoid driving with insuf ficient oil pressure. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop.
00B3 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop. 466
Display messages and warning/indicator lamps

Engine
Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
ÿ Coolant warning lamp (red) *T
he 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
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
WARNING Risk of burn s when opening the bonn et
If yo u open the bonn etwhen the engine has overheated or when there is a fire inthe engine compartment, the
fo llowing situations may occur:
R You could come into contact with hot gases.
R You could come into contact with other hot, escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the bonn etclosed and call thefire service. Display messages and
warning/indicator lamps 471

Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe 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.
If th e coolant temp erature display is at the upper end of thete mp erature scale: #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 338). #
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.
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 bat tery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. 472
Displaymessa ges and warning/indicator lamps

0099
AdBlue sy stem fault Engine
st art not possible................................. .464
0099 AdBlue sy stem fault See Own‐
er's Manual .......................................... .463
00B3 Add 1 litre engine oil when
next refuelling....................................... 465
é ATTENTION ASSIST inoperative ....434
é ATTENTION ASSIS T:Take a
break!....................................................4 35
: Automatic driving lights inoper‐
ative....................................................... 414
006F Cannotfold 2nd seat rowfor‐
wa rds See Owner's Manual................... 423
Á Change key bat teries .................... 412
004D Check brake fluid le vel................. 433
ï Check trailer hitch lo ck................. 419
0077 Check tyre(s)................................4 59
003A Clean the fuel filter ...................... 426
00C4 Compressor is cooling .................449 ÿ
Coolant Stop vehicle Switch
engine off..............................................4 25
á Currently unavailable Camera
view restricted....................................... 445
¸ Currently una vailable Radar
sensors dirty.........................................4 44
0025 currently una vailable See Own‐
er's Manual .......................................... .450
00E5 currently una vailable See Own‐
er's Manual ............................................ 451
00B3 Engine oil le vel cannot be
measured .............................................. 466
00B3 Engine oil le velRe duce oil le vel.... 465
00B3 Engine oil le velSt op vehicle
Switch engine off.................................. 465
00B3 Engine oil pressure Stop
Switch off engine.................................. 466
ä Fault Drive at max. 80 km/h
...................................................... 446,447
ä Fault Stop.....................................4 470075
Front left malfunction Consult
wo rkshop (e xample).............................. 409
003B inoperative Battery low................. 417
003B inoperative Refuel vehicle .............4 17
003B inoperative See Owner's Man....... 417
0025 inoperative See Owner's Manual .. 451
00E5 inoperative See Owner's Man‐
ual......................................................... 452
007A inoperative See Owner's Man‐
ual......................................................... 453
0053 Inoperati ve................................... 454
î inoperati ve................................... 439
: Intelligent Light Sy stem inoper‐
ative....................................................... 41 5
Á Key being initialised Please wait...4 13
Á Key not de tected (red displ ay
messa ge)............................................... 413
Á Key not de tected (white display
messa ge)............................................... 412
: Left dipped beam (e xamp le)........ .414 490
Index

0075
Left windowbag malfunction
Consult workshop (e xample)................ .409
00C5 Lowe ring...................................... 448
: Malfunction See Owner's Man‐
ual..........................................................4 14
î Max. speed 40 km/h...................4 39
ð Maximum speed exceeded ........... 438
î Notpossible in cur rent drive
program ................................................ 439
00C8 ..................................................... 462
ç Off................................................ 437
00D9 Off................................................ 434
ï Operation only possible in
transmission position P ..........................41 8
0024 Parking brake See Owner's
Manual .................................................. 430
00C4 Please reduce speed .................... 448
00D9 Please wait 48 V battery charg‐
ing ........................................................ .457
0077 Rectify tyre pressure.................... 460 00C8
Refill Ad Blue See Owne r’s
Manual.................................................. 462
0024 Release parking brake .................. 433
009E Replace air cleaner ...................... 426
Á Replace key.................................. 412
00B6 Reser vefuel le vel......................... 426
0075 Restra int sys. malfunction Con‐
sult workshop........................................ 409
003D See Owner's Manual....................4 55
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ...... 421
Ù Steering malfunction Stop
immediately See Owner's Manual ......... 421
003D Stop vehicle Lea veengine run‐
ning ....................................................... 456
003D Stop vehicle See Owner's Man‐
ual......................................................... 456
ç suspended................................... 436
: Switch off lights............................4 15
: Switch on headlamps.................... 41 500C8
Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 462
00BD Top up coolant See Owner ’s
Manual.................................................. 424
00B2 Top up washer fluid ...................... 423
ï Trailer coupling extending….......... 419
0024 Turn on the ignition torelease
th e parking brake..................................4 33
0072 Vehicle is operational Switch
off ignition before exiting....................... 41 8
00C4 Vehicle rising Please wait............ .448
00C4 Vehicle rising................................4 48
0077 Warning tyre defect..................... .460
0077 Wheel sensor(s) missing.............. 459
00C8 XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 463
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........442
Ac tive Blind Spot Assi stinope rative ...... 443 Index
491