> I don't know about the SL's but the 4.5 liter engines in my 280SEL > 4.5's > were only happy with mid grade or premium.
The doggy smogged badged 450's (SL, SEL) in the US all were low compression, and should take regular gas. Certainly our SL did. Mid grade didn't work for the 250C, only the high-test stopped the pinging. -- Jim _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
