See also:

Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts ...

Vehicle
Activating/deactivating the automatic door locking feature If you select the Auto. Door Locks function, the vehicle is centrally locked above a speed of around 9 mph (15 km/h). For further in ...

DEF refill bottle
DEF refill bottles can be obtained at many gas stations or at an authorized Mercedes-Benz Center. Refill bottles without a threaded cap do not provide overfill protection. DEF may leak if over ...