Agghh, running cold veggie in the MB is a death sentence. Yes it will work for a while, but save your money for an engine rebuild. Heat that oil and save the engine.

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1981 300D 147k
1998 VW Jetta Tdi 320k
2001 Dodge Ram 2500 141k
1979 300D 234k (sold)
1984 300D "Astor" 262k(sold)
Mercedes How-To and Repair Pictorials
I love the smell of diesel smoke in my hair