See also:

The spray nozzles are misaligned
The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned. Have the spray nozzles adjusted at a qualified specialist work ...

Activating/deactivating DSR
Activating DSR can only be activated if you are driving no faster than 20 mph (30 km/h). Vehicle without the Off-Road Pro Engineering package Vehicle with the Off-Road Pro Engineering package ...

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 ...