See also:

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. ...

Engine oil
Notes on the oil level Depending on the driving style, the vehicle consumes up to 0.9 US qts. (0.8 l) of oil over a distance of 600 miles (1000 km). The oil consumption may be higher than this ...

Storing and maintaining the currentspeed
You can store the current speed if you are driving faster than 20 mph (30 km/h). ► Accelerate the vehicle to the desired speed. ► Briefly press the cruise control lever up 1 or down ...