It is basically a combination of poor enginerring design and defective components, same goes with the wiring harnesses on some models. MB in my opinion is no longer the way it used to be.

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2004 BMW 325 xiT Wagon 40miles
1999 BMW 528i
1995 e320GTO Wagon 137K
GTO means Grocery Transport Only
I LOVE MERCEDES BUT I PREFER HAVING SEX WITH BMW.