I'll chime in here. I had my head gasket replaced at 67,000 miles, 1,000 miles after I bought it and it has been solid up to 217,000 miles right now on the odometer. Sure, bad design, but realize that with the design flaws come the cars that have multiple problems in addition to the design flaws. Lexus, BMW and other high end car companies all have them just like inferior companies like Kia and such may have bullet proof cars. All said and done - I would buy my car(s) again and again knowing what I had to repair/replace so far. Maybe we need another forum for MB disgruntled owners and MB bashers?

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dtf
1994 E320 Wagon (Died @ 308,669 miles)
1995 E300 Diesel (228,000)
1999 E300 Turbodiesel ( died @ 255,000)
2006 Toyota Tundra SR5 AC 4X4 (115,000 miles) rusted frame - sold to chop shop
2011 Audi A4 Avant (165,000 miles) Seized engine - donated to Salvation Army
BMW 330 xi 6 speed manual (175,034 miles)
2014 E350 4Matic Wagon 128,000 miles
2018 Dodge Ram 21,000 miles