2019 MERCEDES-BENZ GLC SUV trailer

Model
Maximum
to ngue
we ight
GLC 300 4MATIC 96kg
All other models 100kg Pe
rm issible rear axle load (trailer operation) Axle load
Model
Axle load
GLC 200 1365 kg
GLC 200 4MATIC 1375 kg
GLC 200 d 4MATIC 1415 kg
GLC 220 d 4MATIC 1420 kg
GLC 300 4MATIC 1380 kg
GLC 300 d 4MATIC 1425 kg Model
Axle load
GLC 400 d 4MATIC 1435 kg
All other models 1405 kg Te
ch nical da ta553

Display messages
Possible causes/consequences and M
MSolutions
ä Fault Drive at max. 80
km/h *T
he AIR BODY CONTROL is functioning only toa limited extent. The vehicle's handling characteristics may be af fec‐
te d. #
Drive in a manner appropriate forth e cur rent le vel, but do not exceed 80 km/h. #
Consult a qualified specialist workshop.
*D YNAMIC BODY CONT ROL is malfunctioning. The vehicle's handling characteristics may be af fected. #
Do not drive at speeds grea terth an 80 km/h. #
Consult a qualified specialist workshop.
Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greaterth an 60 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greaterth an 30 km/h.
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page 234). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision. #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 571

Display messages
Possible causes/consequences and M
MSolutions
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem limits ha vebeen reached (/ page270). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. 574
Displaymessa ges and warning/indicator lamps

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 (/ page276). #
When the display message disappears, couple up the trailer and drive on. Display messages and
warning/indicator lamps 599

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer hitch is defective and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
*T he trailer hitch will not be operational when theve hicle is stationar y. #
Uncouple the coupled trailer and secure it against rolling away. #
Ifth e ball neck is retracted: toinitiate a new swivel mo vement, press and hold the button on theta ilgate until
th e ball neck engages vertically in the loc ked position and then engages beneath the bumper (/ page276). #
Ifth e ball neck is extended: press and hold the button on theta ilgate until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer hitch is defective and the ball neck is not loc ked. 600
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
ï Operation only possible in
transmission position P *
Yo u ha veattem ptedto displace the ball neck and transmission position h,kor neutral iis engaged. #
Depress the brake pedal. #
Enga gepark position j.
Ù
Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 601

Display messages
Possible causes/consequences and M
MSolutions
& inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. #
Refuel theve hicle. Lights
Display messages
Possible causes/consequences and M
MSolutions
b Left dipped beam (Example)*T
he cor responding light source is defective. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
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 (/ page512). Displ
aymessa ges and warning/indicator lamps 605

K
High beam (/
page 143)
#! Tu
rn signal lights (/ page143)
R Re
ar fog light (/ page141)
6 Re
stra int sy stem (/ page610)
ü Seat belt not
fastened (/ page616)
J Brakes (yell
ow) (/ page 610)
J Brakes (red) (/
page610)
! Electric parking brake (yell
ow)
( / page 610)
! Electric parking brake (red)
(/
page 610) !
ABS malfunction (/
page610)
÷ ESP®
(/ page 610)
å ESP®
OFF (/ page 610)
L Distance warning (/ page617)
Ù Electric powerst eering malfunction
(/ page 622)
ä AIRBODY CONTROL malfunction
(/ page 617)
ä DYNA MIC BODY CONTROL malfunc‐
tion (/ page617)
; Engine diagnostics(/
page 618) %
Preglow
# Electrical
fault (/ page618)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (/ page618)
? Coolan
tto o hot/cold (/ page618)
h Ty
re pressure monitor( /page 620)
ï Trailer hit chis not operational or is
swivelling (/ page 622)Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
*ABS is malfunctioning. If th ere is an additional warning tone, EBD is malfunctioning.
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. 61 0
Displaymessa ges and warning/indicator lamps