Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.
Observe the notes in the "Changing a wheel" section.
See also:
The windshield wipers are obstructed
Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
For safety reasons, you should
remove the SmartKey from the ignition lock.
...
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 ...
Activating/deactivating the acoustic
locking verification signal
If you activate the Acoustic Lock Feedb.
function, an audible signal sounds depending
on the vehicle's date of manufacture:
• when locking
or
• once when unlocking and three times when loc ...