check engine light MERCEDES-BENZ GLE COUPE 2021 Owners Manual

&
WARNING Risk ofexplosion during
ch arging process and starting assis tance
During thech arging process and starting
assis tance, the battery may release an explo‐
sive gas mixture. #
Avoid fire , naked flames, creating
spar ksand smoking. #
Make sure there is suf ficient ventila‐
tion. #
Do not lean over a batter y. &
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas can be released. #
Alw ays allow a battery tothaw before
ch arging it or per form ing starting assis‐
ta nce. If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. In this case you may neither jump-s tart the
ve hicle nor charge the batter y.
The service life of a battery that has been
th awe d may be dramatically shor tened. The
st arting characteristics may be impaired, espe‐
cially at low temp eratures.
It is recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
Plug-in hybrid: be sure toobser vethe no tes in
th e Supplement. You could otherwise failto rec‐
ognise dangers.
All vehicles
* NO
TEDama gecaused bynumerous or
ex tended attempt sto start the engine Nume
rous or extended attempt sto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact with other me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point.
R The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read the battery charge r's operating instruc‐
tions before charging the batter y. 360
Breakdown assis tance

Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
00B9 Engine diagnosis warning
lamp *T
he 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 emergency 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.
003D
Elect rical fault warning
lamp *T
hered elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the multifunction displa y.
00B6
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser ve wa rning lamp lights up while the engine is running.
The fuel supp lyhas dropped into there ser verange. #
Refuel. Displ
aymessa ges and warning/indicator lamps 473

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
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