See also:

Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at ...

Tips for driving with DISTRONIC PLUS
Important safety notes WARNING The DISTRONIC PLUS works to maintain the speed selected by the driver unless a moving obstacle proceeding directly ahead of it in the same travel direction is d ...

Driving systems
Display messages The red distance warning lamp lights up while the vehicle is in motion. A warning tone also sounds. Possible causes/consequences and ► Solutions Risk of accident The ...