See also:

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 ...

Headlamps fogged up on the inside
The headlamps may fog up on the inside if there is high atmospheric humidity. ► Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the jou ...

Safety systems
Display messages Possible causes/consequences and Solutions Risk of accidentThe brake boosting effect is malfunctioning and the braking characteristics may be affec ...