Safety systems

See also:

Refueling
Opening/closing the fuel filler flap 1 To open the fuel filler flap 2 To insert the fuel filler cap 3 Fuel type to be used 4 Tire pressure table The fuel filler flap is unlocked or locked auto ...

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 ...

Coupling up a trailer
Do not connect the trailer's brake system (if featured) to the hydraulic brake system of the towing vehicle, as the latter is equipped with an anti-lock brake system. Doing so will result in a l ...