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 ...

DEF
Important safety notes For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Only use DEF that complies with ISO 22241. Do not add any ...

Important safety notes
WARNING Only use roof racks approved by Mercedes- Benz for your vehicle model to avoid damage to the vehicle. Follow the manufacturer's installation instructions. Otherwise, an improperly ...