See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Rolling with the engine switched off
WARNING There is no power assistance for the steering and the brake when the engine is not running. Steering and braking requires significantly more effort and you could lose control of the ...

Roadside Assistance button
► Open the stowage compartment under the armrest. ► Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assi ...