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:
Problems with the seat ventilation
The seat ventilation has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
Switch o ...
Comfort tuning
In Comfort mode, the driving characteristics
of your vehicle are more comfortable. Select
this mode if you prefer a more comfortable
driving style, but also when driving fast on
straight roads ...
Showing the distance display
This function is only available with
DISTRONIC PLUS.
– Press the or
button on the
steering wheel to select the DriveAssist
menu.
– Press the or
button to select
Distance Display.
– Pr ...