tuffcalc

... the rear wheel wells are not supposed to have plastic protection like the front wells, correct? Just the felt lining?

otakki

I always wonder how MB decides on picking the felt for the rear and plastic for the front.

Fung63

also always wondered why the wheel walls on the front are different as well. one has groves while the other doesnt. maybe someone here knows... has to be a reason

cyberorth

I think the front needs to be plastic because of its shape, and being made from a mold.

sjhugh

My BMW is the same. Felt at the rear and plastic at the front.



.

C-63AMG

It's because the plastic is a far better material to keep water out to protect the wiring around the front wheels whereas there's no wiring on the back and if water gets through the felt, there's no chance of doing any damage or causing any issues. Felt is also more likely to burn / heat up quickly than the plastic around the engine bay.