high octain

  1. K

    High octane in A190 (W168)?

    Hi, I have got A190 petrol automatic (2001). I was wondering if i can use high octane RON97 or RON99 (Tesco Super Unleaded 99) instead of RON95 in it. As per manual it recommends minimum 95 RON but i was not sure if higher RON will cause any problem to engine. Any help would be...
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