Changing the battery
You require a CR 2025 3 V cell battery.
- Take the mechanical key out of the SmartKey ().
- Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens. When doing so, do not hold cover 1 shut.
- Remove battery tray cover 1.
- Repeatedly tap the SmartKey against your palm until battery 3 falls out.
- Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
- Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
- Insert the front tabs of battery tray cover 1 and then press to close it.
- Insert the mechanical key into the SmartKey.
- Check the function of all SmartKey buttons on the vehicle.
See also:
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 ...
Standard display
Press and hold the button on
the
steering wheel until the Trip menu with
odometer 1 and trip odometer 2 is
shown. ...
General notes
In this menu, you can set the following vehicle functions:
• ECO
• multicontour seat settings
• rear window blind
• EASY-ENTRY/EXIT feature
• exterior lighting delayed switch-off
• i ...