O.P.,

(I am being UNREASONABLE)

Y'all have the opportunity to transport the offending vehicle back to it's
"Point of Manufacture"

(AND risk being detained by the statspolizi)

FOR raising unholy hell with the root of the problem.



Demand to meet with the regional representative in person!

Failing that , find out Mercedes U.K. headquarters ,and start telephoning

No joy from the Anglecanized Mercedes "Reps" ?

Call Deutschland (They all speak english).