Volume of reversing sensors

[Westygef]

i recently purchased a 2017 W222 S Class and find that the volume of the rear proximity sensors is waaaay to low (the front is fine), but I can’t find a way to adjust the volume. Can anyone help?

 

[Headhurts]

I believe there is some adjustment there but not much.

Unfortunately it has to go to dealership or specialist.

Robin

 

[Westygef]

Ok thanks, looks like a visit to my friendly dealer then