MERCEDES-BENZ GLC SUV 2022 Owners Manual

Tyre pressure monitor
Display messages
Possible causes/consequences and P Solutions
Tyre press. monitor cur-
rently unavailable * There is interference from a powerful radio signal source As a result, no signals from the tyre pressure sensors are
being r eceived. The tyre pressure monitoring system is temporarily unavailable.
The tyre pressure monitoring system will restart automatically as soon as the cause has been rectiNed.
Drive on
Tyre press. monitor inoper-
ative * The tyre pressure monitoring system is malfunctioning. &
WARNING Ther
e is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
T
yres with insuPcient tyre pressure may impair the driving characteristics as well as steering and braking. 
Have the tyre pressure monitoring system checked at a q
ualiNed specialist workshop. Tyre pressure monitor inop-
erative No tyre pressure
sensors
* The wheels
Ntt
ed do not have suitable tyre pressure sensors. The tyre pressure monitoring system is deactivated. 
Fit wheels with suitable tyre pressure sensors.
é
Wheel sensor(s) missing * There is no signal from the tyre pressure sensor in at least one wheel. No pressure value is displayed for the
aMect
ed
tyre. 
Have the faulty tyre pressure sensor replaced at a q
ualiNed specialist workshop. 528
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
é
Check tyre(s) * The tyre pressure in one or more tyres has dropped
signiNcantl y.
The wheel position is displayed. A warning tone will also sound. &
WARNING Risk of an accident due t
o insuPcient tyre pressure
= The tyr
es can burst.
= The tyres can wear excessively and/or unevenly.
= The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle. 
Observe the recommended tyre pressures. 
Adjust the tyre pressure if necessary. 
Stop the vehicle in accordance with the tr
aPc conditions. 
Check the tyre pressure ( pag
e 422) and the tyres.
é Rectify tyre pressure * The tyre pressure is too low in at least one of the tyres, or the
diMer
ence in tyre pressure between the individual
wheels is too great. 
Check the tyre pressure and add air, if necessary. 
When the tyre pressure is correct, restart the tyre pressure monitor (  pag
e 425). Display messages and warning/indicator lamps
529

Display messages
Possible causes/consequences and P Solutions
é
Warning tyre malfunction * The pressure in one or more tyres has dropped suddenly. The wheel position is displayed. &
WARNING Risk of an accident fr om driving with a Oat tyre
= The tyr
es can overheat and be damaged.
= The driving characteristics as well as the steering and braking characteristics may be greatly impaired.
You could then lose control of the vehicle. 
Do not drive with a Oat tyr
e. 
Do not exceed the maximum permissible driving distance in emergency mode and the maximum permissible
speed wit

h a Oat MOExtended tyre. 
Observe the notes on Oat tyr
es. Notes on Oat
tyr
es ( page 401). 
Stop the vehicle in accordance with the tr
aPc conditions. 
Check the tyres.
é Tyre(s) overheated * At least one tyre is overheating. The
aMect
ed tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow. &
WARNING Risk of an accident fr
om driving with overheated tyres
Overheated tyres can burst. 530
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Reduce speed so that the tyres cool down. é
Reduce speed * At least one tyre is overheating. The
aMect ed tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow. &
WARNING Risk of an accident fr
om driving with overheated tyres
Overheated tyres can burst. 
Reduce speed so that the tyres cool down. Exhaust gas
aser
treatment Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Engine oil
Display messages
Possible causes/consequences and P Solutions
5
Add 1 litre engine oil when
next refuelling * The engine oil level has dropped to the minimum level.
* NOTE Engine damag e caused by driving with insuPcient engine oil 
Avoid long journeys with insuPcient engine oil. 
When next refuelling, add 1 litre of engine oil ( pag
e 387).
Notes on engine oil ( pag
e 447).
5
Engine oil level Reduce oil
level * The engine oil level is too high.
* NOTE Engine damag
e caused by driving with excess engine oil 
Avoid long journeys with excess engine oil. 
Consult a q
ualiNed specialist workshop immediately and have the engine oil level reduced.
5 Engine oil level Stop
Switch off the vehicle * The engine oil level is too low.
* NOTE Engine damag
e caused by driving with insuPcient engine oil 
Avoid long journeys with insuPcient engine oil. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 536
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Switch oM the vehicle. 
Add 1 l of engine oil (  pag
e 387). 
Check the engine oil level.
Notes on engine oil ( pag
e 447).
5
Engine oil pressure Stop
Switch off the vehicle * The oil pressure is too low.
* NOTE Engine damag
e caused by driving with insuPcient oil pressure 
Avoid driving with insuPcient oil pr
essure. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Switch oM t
he vehicle. 
Consult a q
ualiNed specialist workshop.
5
Engine oil level cannot be
measured * The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
537