warning MERCEDES-BENZ GLC COUPE 2019 Owners Manual

Display messages
Possible causes/consequences and M
MSolutions
¯ AdBlue system fault Emer.
op.: max. XXX mph Start
not poss. in XXX miles *
Po we rre striction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y. Tr
ansmission Display messages
Possible causes/consequences and M MSolutions
To shift out of P or N,
depress brake and start
engine *
Yo u ha veattem ptedto shift the transmission out of park position jor neutral iand into ano ther transmission
position. #
Depress the brake pedal. #
Change the transmission position. Display messages and
warning/indicator lamps 573

Display messages
Possible causes/consequences and M
MSolutions #
Start the engine.
Risk of vehicle rolling
Driver door open and trans-
mission not in P *
The driver's door is not fully closed and transmission position h,kor neutral iis engaged. #
Enga geneutral jwhen switching off theve hicle.
Apply brake to select R *
You ha veattem ptedto select transmission position k. #
Depress the brake pedal. #
Select transmission position k.
Only select Park (P) when
vehicle is stationary *
Pa rk position jcan be engaged only when theve hicle is stationar y. #
Tostop, depress the brake pedal. #
Shift the transmission topark position jwhile theve hicle is stationar y.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of park position jand into ano ther transmission position. #
Depress the brake pedal. #
Select transmission position h,kor neutral i.
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, neutral ihas been en gage d. #
Tostop, depress the brake pedal. #
Shift the transmission topark position jwhile theve hicle is stationar y. #
Tocontinue driving, select transmission position hork. 574
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be changed. #
When transmission position his selec ted, consult a qualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *
The transmission is malfunctioning. The transmission position kcannot be selected. #
Consult a qualified specialist workshop.
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toneutral iautomatically. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Depress the brake pedal. #
Enga gepark position j. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 575

Display messages
Possible causes/consequences and M
MSolutions #
Untilthen, manually select transmission position jbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake. Ty
res Display messages
Possible causes/consequences and M
MSolutions
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 monitor is temp orarily una vailable. #
Drive on.
The tyre pressure monitor restarts automatically as soon as the cause has been rectified.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitor is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. 576
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitor is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
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.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
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.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page 503) andthe tyres. Display messages and
warning/indicator lamps 577

Display messages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fere nce in tyre pressure between the individual
wheels is too great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitor (/ page 506).
h
Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (/ page 481). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyres.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. 578
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Drive more slowl y.
Reduce speed *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres may bur st, particularly at high speeds. #
Reduce speed so that the tyres cool down. #
Reduce speed so that the tyres cool down. Key
Display messages
Possible causes/consequences and M
MSolutions
À Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key : only a few or no authorisations remain forst arting the engine. #
Make sure that the internet connection is not restricted bycer tain mobile phone settings. #
Open the Mercedes me connect http://www.mercedes.me and call up the digital vehicle key service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
* Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. Display messages and
warning/indicator lamps 57 9

Display messages
Possible causes/consequences and M
MSolutions #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at http://www.mercedes-
benz.com/connect.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page76).
Á
Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot forst arting with theke y (/ page168). 580
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page168).
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot forst arting the engine with theke y (/ page168). Displ
aymessa ges and warning/indicator lamps 581

Ve
hicle Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle when it is 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 it will then be possible tostart theve hicle only using a donor battery (s tarting assis‐
ta nce).
ï Trailer coupling extending… *E
xtend or retract the ball nec k.
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
(white display message) *T
he trailer hitch is not operational during a journey with a trailer. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. #
Uncouple the trailer and secure it against rolling away. #
Toinitiate a new swivel mo vement, press and hold the button on theta ilgate until the ball neck engages
beneath the bumper (/ page 263). #
When the display message disappears, couple up the trailer and drive on. 582
Display messages and warning/indicator lamps