See also:

Resetting to factory settings
For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset when the vehicle is stationary. Press the or button on the steering wheel to select the Settin ...

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

Safety, Reliability & Mileage
Because the E-Class has been redesigned, we don't yet have predicted reliability ratings for this model. Furthermore, the 2010 E-Class hasn't yet been crash-tested by our preferred source, the Ins ...