2010 c300 brown coolant

Asked by Apr 20, 2017 at 09:56 AM

Question type: Maintenance & Repair

I just bought 2010 c300 and the tempature gauge is
above half also the coolant is brown and oily. Why ?

1 Answer

84,365

Or the previous owner may have put some kind of stop leak junk in the cooling system to "fix" a leaking radiator or other cooling system component. HTH. -Jim

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