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:
Opening
You can open the trunk lid automatically
using the SmartKey or the handle in the trunk
lid.
Press and hold the
button on the
SmartKey until the trunk lid opens.
or
When the trunk is unloc ...
Functions available during a call
Overview
Telephone operation with a single call
1 Person you are calling
2 Icon for active telephone connection
3 NEW to call other parties
4 To switch hands-free microphone on/off
5 T ...
Additional systems for the ultimate in listening pleasure and entertainment
Mercedes customers can, if desired, combine the infotainment facilities for
the CLS with other systems:
The Logic7 surround sound system developed by Mercedes-Benz together with the
audio specia ...