engine 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 #
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
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

Display messages
Possible causes/consequences and M
MSolutions
Ù Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is considerably impaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. Displ
aymessa ges and warning/indicator lamps 585

Display messages
Possible causes/consequences and M
MSolutions #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions. #
Close the bonn et.
A *T
hetailgate is open. &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if theta ilgate is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening theta ilgate. #
Never drive with theta ilgate open. #
Close theta ilgate.
_ Rear left seat backrest not
locked (Example) *T
he seat backrest of the cor responding seat is not engaged. #
Foldthe seat backrest back until it engages. 586
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
¥ Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid (/ page 468). Climate cont
rol Display messages
Possible causes/consequences and M
MSolutions
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine has cooled down, make up tofour attem ptsto
switch on thest ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop.
&
inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. #
Drive for an extended pe riod until the battery has reached a suf ficient charge leve l again. Display messages and
warning/indicator lamps 587