See also:

Fuel requirements
Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research Octane Number (RON ...

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. ...

Problems with the side windows
Problem: a side window cannot be closed because it is blocked by objects, e.g. leaves in the window guide. Remove the objects. Close the side window. Problem: a side window cannot be closed ...