This last spring we went to Breckenridge and my S-350 overfueled badly. Smoked something terible, thought something was major wrong. When we came back down to below 5000' the car ran great. I don't know what the problem was. Have been told maybe the injector tips or the controller that controls fuel was not cutting back the fuel at high altitudes. I live in Louisiana and it is hard to find a fix for something that does not mess up at low altitudes.

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1995 S-350
370K + SOLD
1952 220B Cabriolet
39K kilometers + SOLD
1998 E300D
310K +
2012 E350 BlueTec
120K