Mercedes-Benz E-Class: Mechanical key - Smart Key - Opening/closing - Mercedes-Benz E-Class Owners ManualMercedes-Benz E-Class: Mechanical key

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

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid/ tailgate, th ...

See also:

Armrest
To use the console lid as an armrest, slide it to one of its three positions. ...

Trailer towing
We do not recommend using this vehicle for trailer towing. ...

To Arm The System
1. Remove the keys from the ignition switch and get out of the vehicle. 2. Lock the door using either the power door lock switch (one door must be open) or the LOCK button on the Remote Keyless ...