See also:

Setting the rear-compartment airflow using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press rocker switch 14 up or down. ...

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. ...

2008 Mercedes-Benz M-Class Review
Until a 2008 M-Class was assigned to me for this review, I had kind of forgotten that Mercedes redesigned this luxury SUV two years ago. Sure, I knew about the update when it was first announced, ...