I have an 8-year-old MB 220CDI estate that has developed bubbling paintwork and underlying rust on the rear pillar by the tailgate opening. My local MB dealer sent a request to MB UK that they consider repairing the bodywork. My understanding was that bodywork was covered by a 30-year corrosion warranty but I was assured that in fact bodywork is only covered by the normal manufacturer's warranty of 3 years. MB has been operating a goodwill extension to 8 yrs for bodywork, but I exceed that interval by 1 month. The 30-year warranty apparently only covers corrosion from inside out, i.e. chassis corrosion (not that clear in the handbook wording). Do you think I should accept this gracefully or appeal the decision? The car has covered 100k mikes and mechanically is sound having been regularly serviced by MB mechanics from new.