As a seven car Mercedes owner, I have seen and experienced the changes in a way that probably transcends most. My first Benz was a 68 220 Diesel sedan. It was heavy, underpowered and built like a tank. I moved up to a 71 280 SE, with an automatic and though I had gone to heaven. Later I bought another Diesel, this time a 74 240. Things got better financially and I stepped up to a 76 450 SL and then I was in dreamland. I changed brands to Jaguar for the next few years and was never quite satisfied. In 1996 I traded back to Mercedes in a 300 E sedan. In 2004 I bought a CLK230 and last year a 2006 SLK350. I have always been a Mercedes affecianado at heart and recall my first love which was a 1955 300SL Gullwing. I suppose I am not done yet with buying Benzes and will certainly take a look at this one when they come out.
All Mercedes-Benz cars use 91 octane premium fuel. You could probably get away with 89 octane though, but definitely do not use the cheapest 87 octane.
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All Mercedes gasoline engines (including in the Smart) call for premium unleaded fuel. Minimum is 91 MON.
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As a seven car Mercedes owner, I have seen and experienced the changes in a way that probably transcends most. My first Benz was a 68 220 Diesel sedan. It was heavy, underpowered and built like a tank. I moved up to a 71 280 SE, with an automatic and though I had gone to heaven. Later I bought another Diesel, this time a 74 240. Things got better financially and I stepped up to a 76 450 SL and then I was in dreamland. I changed brands to Jaguar for the next few years and was never quite satisfied. In 1996 I traded back to Mercedes in a 300 E sedan. In 2004 I bought a CLK230 and last year a 2006 SLK350. I have always been a Mercedes affecianado at heart and recall my first love which was a 1955 300SL Gullwing. I suppose I am not done yet with buying Benzes and will certainly take a look at this one when they come out.
All Mercedes-Benz cars use 91 octane premium fuel. You could probably get away with 89 octane though, but definitely do not use the cheapest 87 octane.
All Mercedes models call for a minimum of 91 so you should put premium in it like the manufacturer calls for.
You can use 87, it just wont run as good. but i dont think it does any harm.