Have you check the ignition related parts such as Distributor Caps, Spark Plug, plug wires...etc?? Have them checked first. MB recommends gas with octane higher than 92, therefore, stick with it...anything lower will do engine no good...

Andy Kuo

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• 1992 Mercedes-Benz 400SE
  
• Pearl Grey/Black Leather
  

ICQ#26950002
Mercedes Owners ICQ ActiveList ID#61730549
Mercedes S-Class Page
http://akry.web.com

[This message has been edited by akry (edited 06-07-2000).]