See also:

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...

Problems with the side windows
Problem: a side window cannot be closed because it is blocked by objects, e.g. leaves in the window guide. Remove the objects. Close the side window. Problem: a side window cannot be closed ...