Hello, I have found today with terrifying that my two front tyres on the inside to the metal coat have run off and the outside is almost like new. I drive a mercedes c-class s202 and have mounted 18″ cm c6 feet with 225 nankang tyres. about 4 months ago I had my car to the reperatur in a free workshop, because my track rod and my steering dampers were defective. according to the workshop a track adjustment had to be made. the re when I needed them (with the c6 rims) without damage, they were evenly approached and there was no irregularity between the inside and the outside. now what is my right position? what can/should I do? can I demand compensation from the workshop? it is very annoying that I have to buy 2 new tires now, since the rear still have a lot of profile like the front one before the track setting. I hope for a quick answer and once a thank you in advance! greetings markus schulz