See also:

Windshield washer system and headlamp cleaning system
The washer fluid reservoir is used for both the windshield washer system and the headlamp cleaning system. Vehicle components and their service products must match. You should, therefore, ...

4MATIC: high-performance all-wheel-drive system with sophisticated control systems
The 4MATIC powertrain at the heart of the Mercedes-Benz GLK-Class is one of the most capable all-wheel-drive systems on the market. The driving dynamics systems ESP®, ASR and 4ETS are superbly har ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be tri ...