Mercedes-Benz GLC : Opening and closing / Doors
You can no longer lock or unlock the vehicle
Possible causes:
The SmartKey battery is weak or discharged.
The SmartKey is faulty.
Check the battery using the indicator lamp...
To unlock and open a front
door: pull door
handle .
Locking pin pops up when
the door is
unlocked.
To unlock a rear door:
pull the rear door
handle...
Other information:
Notes on refrigerant
Observe the notes on operating fluids.
NOTE Damage due to incorrect refrigerant
If a non-approved refrigerant is used, the climate
control system may be damaged.
USA: use only
R‑134a refrigerant.
Canada: use only
R‑1234yf refrigerant...
Removing the warning triangle
The warning triangle is located
in the stowage
well under the cargo compartment floor.
Setting up the warning triangle
Fold side reflectors
upwards to form a triangle
and attach at the top using upper
press-stud ...