See also:

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-B ...

Mounting a new wheel
WARNING Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to drive u ...

Activating/deactivating the acoustic locking verification signal
If you activate the Acoustic Lock Feedb. function, an audible signal sounds depending on the vehicle's date of manufacture: • when locking or • once when unlocking and three times when loc ...