Mercedes-Benz GLC : Data storage / Data processing in the vehicle
Electronic control units are installed in your vehicle.
Control units process data which, for example,
they receive from vehicle sensors, generate
themselves or exchange between themselves...
Other information:
WARNING Risk of injury due to modifications
to the child restraint system
The child restraint system can no longer
function properly. This poses an increased
risk of injury.
Never modify a child restraint system.
Only affix accessories which have been specially approved for this child restraint system by the child restraint system's manufacturer...
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...