Mercedes-Benz GLC : Seats / Adjusting the 4-way lumbar support

Higher
Softer
Lower
Firmer
- Using buttons 1 to 4, adjust the contour
of the backrest individually to suit your back.
Head restraint height
Seat backrest inclination
Seat height
Seat cushion length
Seat cushion inclination
Seat fore-and-aft position
Save the settings with the
memory function...
Other information:
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.
Replace the SmartKey battery, if necessary.
Use the emergency key to lock or unlock...
..