This is Mercedes' problem. Forget about out of warranty. The presumption is that they build quality, safe cars.
The district manager has lattitude to ensure customer satisfaction in their reliable, high quality and safe automobiles.
Mercedes-Benz of North America
Client Assistance Center-
Client Assistance Center
P.O. Box 607
Paramus, NJ 07653
I am sure they would like to know how concerned you really are.
Keep us posted,