See also:

Activation conditions
You can activate the HOLD function if: • the vehicle is stationary. • the engine is running. • the driver's door is closed or your seat belt is fastened. • the parking brake is not applied. • the ...

The M-Class also protects its occupants after a crash
As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...

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 ...