See also:

Engine
Display messages Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for ex ...

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started ...

DISTRONIC PLUS displays in the speedometer
When DISTRONIC PLUS is activated, one or two segments 2 in the set speed range light up. For design reasons, the speed displayed in the speedometer may differ slightly from the speed set ...