Safety systems

See also:

DEF (BlueTEC vehicles only)
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. When the supply of DEF is almost used up, the Check Additive See Op ...

Switching the seat heating on/off
General notes WARNING Repeatedly setting the seat heating to level 3 may result in excessive seat temperatures. The health of passengers that have limited temperature sensitivity or a limited a ...

Program selector button
General notes The program selector button allows you to choose between drive programs with different driving characteristics.  In AMG vehicles, drive program E is called drive program C. ...