check engine MERCEDES-BENZ GLE SUV 2021 User Guide

Ad
Blue ®
(vehicles with a diesel engine only) Note
s onAdBlue ®
Obser vethe no tes on operating fluids
(/ page 410).
Ad Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines.
It may be improper or punishable in some coun‐
tries tooperate a vehicle that uses no AdBlue ®
or one that does not comply with the specifica‐
tions of these operating instructions.
* NO
TEMalfunctions due tothe dilution of
Ad Blue ®
or the use of additive-enhanced
Ad Blue ® The function of
the NOx exhaust gas af ter‐
treatment can be impaire dby the use of
unsuitable denoxification agents. #
Only use AdBlue ®
in accordance wi th
ISO 222 41 . #
Do not dilu teAd Blue ®
wi th wate r. #
Do not use additive-enhanced AdBlue ®
. *
NO
TEDama geand malfunctions due to
impurities in AdBlue ® Consequences of impuri
ties inAdBlue ®
:
R increased emission values
R damage tothe catalytic con verter
R NOx exhaust gas af tertre atment malfunc‐
tions #
Avoid impurities in AdBlue ®
. Ad
Blue ®
re sidues cr ystallise af ter a period of
time, and contaminate the sur faces wi thwhich
th ey come into contact. Clean the dirty sur faces
wi th wate r as soon as possible.
When you open theAd Blue ®
tan k,small
amounts of ammonia vapour may escape. Do
not inhale any ammonia vapours that may be
re leased. Only fill th eAd Blue ®
tank in well-venti‐
lated areas. Ad
Blue ®
filling capacity and consum ption Model
Total capacity
All models 31.6 litres Ad
Blue ®
consu mption
The average AdBlue ®
consu mption is between
1% and 5% of fuel consumption. Li kefuel con‐
sum ption, AdBlue ®
consu mption is highly
dependent upon driving style and operating con‐
ditions. Forth is reason, your vehicle's actual
consum ption figures under da y-to -day operating
conditions may di ffer from the consum ption fig‐
ures calculated. The frequency at which you will
ha ve to to p up AdBlue ®
will also vary. Ha vethe
Ad Blue ®
supply checked at a qualified specialist
wo rkshop before making journe ysoutside of
Europe. Before a longer stay outside of Europe,
consult a qualified specialist workshop.
Ad Blue ®
ra nge and fill le vel
Yo u can ha vetheAd Blue ®
ra nge and le vel dis‐
pla yed in the driver's displa y. Te
ch nical da ta415

Display messages
Possible causes/consequences and 0050 0050Solutions
0072 Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition, secure theve hicle against rolling away and take theke y with
yo u. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heating. Otherwise, the12 ‑V
battery may discharge and starting the engine may be possible only with the help of a second battery (jump
st art).
ï
Operation only possible in
transmission position P *
The ball neck will not swivel because transmission position 005B,005Eor neut ral005C is selec ted. #
Depress the brake pedal. #
Enga gepark position 005D.
ï
Trailer coupling extending… *T
he ball neck is retracting/extending.
Do not attem pttospeed up, slow down or initiate the swivel mo vement using your hand, foot or other aids. During
th e swivel mo vement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear.
ï
Check trailer hitch lock *T
he trailer hitch is not operational during a journey with a trailer. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. 436
Display messages and warning/indicator lamps

Engine
Display messages
Possible causes/consequences and 0050 0050Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed thest art/ stop button while theve hicle is in motion. #
Information about switching off the engine while driving (/ page174).
Cannot start engine See
Owner's Manual *T
hevehicle cannot be star ted. #
Switch the ignition off and switch it back on. #
Ifth e display message still appears, consult a qualified specialist workshop.
00BD
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage duetoinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 354). #
Have the engine cooling sy stem checked at a qualified specialist workshop. 444
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions #
Switch off the engine. #
Add 1 l of engine oil (/ page 353). #
Check the engine oil le vel.
No tes on engine oil (/ page416).
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. 486
Display messages and warning/indicator lamps

Occupant saf
ety Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0075 Re stra int sy stem warning
lamp *T
he redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning (/ page 40). &
WARNING Risk of injury duetomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.
00E9
Seat belt warning lamp
fl ashes *T
he red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened his/her seat belt while theve hicle is in motion. #
Fasten your seat belt (/ page 43).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. 488
Display messages and warning/indicator lamps

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 354). #
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. 492
Display messages and warning/indicator lamps

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 493

Brakes
Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0024 Elect ric pa rking brake indi‐
cator lamp (red)
0024
The elect ric pa rking brake
(yellow) indicator lamp *T
he red elect ric pa rking brake indicator lamp flashes or is lit.
The yellow elect ric pa rking brake indicator lamp is also lit in theev ent of a malfunction. #
Notethe messages on the multifunction displa y.
004D
Brake sy stem warning lamp
(yellow) *T
he yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and drive on carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, obse rve it. 494
Display messages and warning/indicator lamps

Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0025 ABS warning lamp *T
he yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. 00E5
ESP ®
wa rning lamp flashes *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page214). #
Adapt your driving style to suit thero ad and weather conditions. 498
Display messages and warning/indicator lamps

00D7
48 V battery See Owner's Man‐
ual......................................................... 477
: Active Light Sy stem inoperative... 432
0099 AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km ................................................ .484
0099 AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual.................................................. 483
0099 AdBlue sy stem fault Engine
st art not possible................................. .484
0099 AdBlue sy stem fault See Own‐
er's Manual .......................................... .483
00B3 Add 1 litre engine oil when
next refuelling....................................... 485
é ATTENTION ASSIST inoperative ....454
é ATTENTION ASSIS T:Take a
break!....................................................4 55
: Automatic driving lights inoper‐
ative...................................................... 431 006F
Cannot fold 2nd seat rowfor‐
wa rds See Owner's Manual................... 442
Á Changekey bat teries ...................4 29
004D Checkbrake fluid le vel................. 453
ï Check trailer hitch lo ck................ 436
0077 Check tyre(s)................................ 479
003A Clean the fuel filter ...................... 446
00C4 Compressor is cooling .................469
ÿ Coolant Stop vehicle Switch
engine off..............................................4 45
á Currently unavailable Camera
view restricted....................................... 465
¸ Currently unavailable Radar
sensors dirty.........................................4 64
0025 currently una vailable See Own‐
er's Manual .......................................... .470
00E5 currently una vailable See Own‐
er's Manual ............................................ 471
00B3 Engine oil le vel cannot be
measured .............................................. 486 00B3
Engine oil le velRe duce oil le vel.... 485
00B3 Engine oil le velSt op vehicle
Switch engine off.................................. 485
00B3 Engine oil pressure Stop
Switch off engine.................................. 486
ä Fault Drive at max. 80 km/h
...................................................... 466, 467
ä Fault Stop.....................................4 67
0075 Front left malfunction Consult
wo rkshop (e xample).............................. 426
003B inoperative Battery low................ 435
003B inoperative Refuel vehicle ............ 435
003B inoperative See Owner's Man...... 434
0025 inoperative See Owner's Manual. .471
00E5 inoperative See Owner's Man‐
ual......................................................... 472
007A inoperative See Owner's Man‐
ual......................................................... 473
0053 Inoperative................................... 474
î inoperative................................... 459 51 0
Index