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:
M..
WARNING Risk of accident and injury
caused by an insufficiently secured vehicle
rolling away
If the vehicle is not securely parked sufficiently,
it can roll away in an uncontrolled
way even at a slight downhill gradient.
On uphill or downhill
gradients, turn the
front wheels so that the vehicle rolls
towards the curb if it starts moving...