Smart Key battery

See also:

Activating/deactivating the distancewarning function
This function is only available with DISTRONIC. ► Press on the steering wheel to select the Additional functions menu. ► Press the button to select the Distance warning function ...

Important safety notes
WARNING For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-boar ...

Other bulbs
There are bulbs other than the Xenon bulbs that you cannot replace. Replace only the bulbs listed. Have the bulbs that you cannot replace yourself changed at a qualified specialist workshop. ...