Changing a wheel and mounting the spare wheel

See also:

Important safety notes
Service products include the following: - fuels (e.g. gasoline, diesel) - additives for exhaust gas aftertreatment (DEF) - lubricants (e.g. engine oil, transmission oil) - coolant - brake fluid ...

Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes-Benz. ...

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 Assistance Center ...