See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

General notes
DISTRONIC PLUS regulates the speed and automatically helps you maintain the distance to the vehicle detected in front. It brakes automatically in order to avoid exceeding the set speed. On lo ...

High-beam headlamps
► Switch off the lights. ► Open the hood. ► Turn housing cover 1 counter-clockwise and pull it out. ► Turn bulb holder 2 counter-clockwise and pull it out. ► ...