See also:

Maximum tire pressure
WARNING   Never exceed the maximum tire inflation pressure. Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, ...

Safety
The GLK350 sports all the active safety systems you'd expect in a modern mom's car (especially a Mercedes): six airbags - including dual-stage driver and front passenger airbags and side curtain a ...

Cleaning the wiper blades
WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop butt ...