fix it like the factory set it up- If you look harder you will find one for less, as it could be used. This set up allows for max. air flow and good air cleaning , too. It has better flow and protction than the K and N filters do.

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Pierre Hedary 1985 280SEL, 1970 111.026 in progress
Mercedes technical advice hotline: 407 765 2867
[servicing older Mercedes in the state of Florida with competence and passion].

From the standpoint of an honest MB technician, Vegetable oil is a threat to your diesel engine's mechanical integrity.