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:
Checking tire pressure manually
To determine and set the correct tire pressure, proceed as follows:
Remove the valve cap of the tire that is to be checked.
Press the tire pressure gauge securely onto the valve.
Read the tire ...
Function restrictions
You will not be able to use the telephone, will
no longer be able to use the telephone, or you
may have to wait before using it, in the
following situations:
• when the mobile phone is switch ...
Safety
The R-Class received a Good overall score — the highest rating possible — in
the Insurance Institute for Highway Safety's frontal-offset and side-impact
crash tests. It hadn't yet undergone IIHS' ...