I would say thats about right. Not a lot of shops can align a Benz properly. In fact when I called around, most said they could not even do it. The one indy that could quoted me about $80. The MB dealer quoted me $129 for a full alignment.

Think of it this way, if you get it aligned at the dealer you qualify for free roadside assistance. It used to be free for life of the car, but last year they changed it to require folks to spend at least $100 at a MB dealership.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car