Space saver wheel.

[onefortheroad]

from an audi. 112 x 66 will the offsets be close to a merc ...

 

[AMGeed]

You need to find out what the offsets are on the Audi wheels before comparing them to what you need on your Mercedes.
The ET should be stamped on the inside of the wheel.

 

[Madtutle3]

I thought Audi wheels were 5 x 120

 

[bob 6600]

I thought Audi wheels were 5 x 120

Not all. Some older ones were defnitely 112