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. ...

Activation conditions
To activate cruise control, all of the following activation conditions must be fulfilled: - your vehicle must not be secured by the electric parking brake. - you are driving faster than 20 mph ...

Overview of transmission positions
Selector lever P Park position with selector lever lock R Reverse gear N Neutral D Drive ...