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    Subtract the additive

    Mercedes-Benz Mercedes-Benz Advice Mercedes-Benz 190 Mercedes-Benz 190 Advice Mercedes-Benz 190 1985
    MY DAUGHTER owns a 1985 190E Mercedes-Benz and runs it on 95 octane PULP. Is this suitable? Should she add an LRP additive?
    Answered by CarsGuide
    8 July 2005
    Graham Smith

    PULP is the best fuel for the W201 190E. It has the required octane for that engine, which would have been developed to run on the old leaded super. The Australian Institute of Petroleum says you should use an additive, but the Merc has an alloy cylinder head with cast-iron valve seat inserts that have probably been hardened. which means you could safely run it without an additive.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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