See also:

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries ...

System self-test
The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...

Cleaning genuine wood and trim elements
Wipe the wooden trim and trim pieces with a damp, lint-free cloth, e.g. a microfiber cloth. Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz. ...