See also:

SmartKey
Display messages Possible causes/consequences and Solutions Key Does Not Belong to Vehicle You have put the wrong SmartKey in the ignition lock. Use the correct Smart ...

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 ...

Cleaning the paintwork
Scratches, corrosive deposits, areas affected by corrosion and damage caused by inadequate care cannot always be completely repaired. In such cases, visit a qualified specialist workshop, e.g. ...