See also:

Important safety notes
Cruise control maintains a constant road speed for you. It brakes automatically in order to avoid exceeding the set speed. On long and steep downhill gradients, especially if the vehicle is la ...

Engine
Problem Possible causes/consequences and •► Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for example: ...

Effortlessly superior: new four-cylinder diesel engine and proven V6 powerplants
State-of-the-art powerplants ensure an exceptionally high level of ride comfort and impressive performance right across the GLK range. Plus fuel-consumption figures are low, as is the emission cou ...