Quote:
Originally Posted by sokoloff
The citric acid is not for deoiling. It is for decalcification/descaling. Mercedes has another product for deoiling or some just use dishwasher detergent or Liquid Tide. The manual says to do the deoiling procedure before using the citric acid. At least that's what the factory manual for the 123 says
Len
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if you have wis, look at document number ra20001040160x