See also:

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 ...

Problems with the engine
Problem Possible causes/consequences and Solutions The engine does not start. The starter motor can be heard. - There is a malfunction in the engine electronics. - There i ...

Headlamp cleaning system
The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running. When you switch off the igni ...