See also:

Notes on the Operator's Manual
This Operator's Manual contains a great deal of helpful information. We urge you to read it carefully and familiarize yourself with the vehicle before driving. For your own safety and longer ser ...

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 ...

Trailer power supply
The trailer power socket of your vehicle is designed for connecting the 7-pin connector supplied as part of the Mercedes-Benzapproved trailer coupling. Depending on your trailer, you may need an ...