See also:

Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine at normal operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipst ...

Important safety notes
For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Rinse surfaces that have come into contact with DEF immediately with water or remov ...

Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance button 1 ...