See also:

Cleaning the trailer tow hitch
The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...

Cleaning the wheels
WARNING Do not use power washers with circular-jet nozzles (dirt grinders) to clean your vehicle, in particular the tires. You could otherwise damage the tires and cause an accident. ...

The drive system: Four new engines giving the ultimate in driving pleasure
Efficiency at the highest level: this is the common characteristic shared by all four engines used in the Mercedes-Benz CLS-Class. All of the engines feature increased performance and torque compa ...