See also:

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Please bear the following in mind
Resetting the service interval display A qualified specialist workshop, e.g. an authorized Mercedes-Benz Center, will reset the service interval display after the necessary service work has bee ...

Setting the center air vents
Setting the center air vents 1 Center air vent, left 2 Center air vent, right 3 Center vent thumbwheel, right 4 Center vent thumbwheel, left To open/close: turn thumbwheels 3 and 4 up or dow ...