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:
Adjusting the sound settings
You can select the sound settings in the audio
CD/DVD/MP3, video DVD and AUX modes.
Switch on an audio operating mode (e.g. audio CD mode).
Select Treble or Bass using
the buttons on the remo ...
Active multicontour seats with massage function from the S-Class
The active multicontour seat package (optional) includes newly developed
multicontour seats with comfort head restraints and a two-stage massage function
in the backrest that has proven highly suc ...
Points to observe before use
The sockets can be used for accessories, e.g.
lamps or mobile phone chargers with a
maximum current draw of 180 W (15 A).
If you use the sockets for long periods when
the engine is switched off, ...