C36 AMG, C43 AMG (W202) 1995 - 2000

fuel grade

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Old Jun 11, 2007 | 10:03 PM
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BIG ARM's Avatar
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fuel grade

As I just had my C43 for a week now ...I never face this problem befor ......the right fuel grade ....
I used the regaler gas and then ...the other time I was filling the tank, found out a sign saying premium fuel .
should I always fill it with the most expensive gas or .....what


thank you all
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Old Jun 11, 2007 | 10:46 PM
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09 335i 03 CLK55 AMG
Premium only in your C43 my man. Shell V-Power is all I put in my tank.
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Old Jun 11, 2007 | 11:55 PM
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Originally Posted by BIG ARM
As I just had my C43 for a week now ...I never face this problem befor ......the right fuel grade ....
I used the regaler gas and then ...the other time I was filling the tank, found out a sign saying premium fuel .
should I always fill it with the most expensive gas or .....what
thank you all
My '99 C43 specifies 91 Octane or higher.

So while most brands have 3 grades (87, mid-grade 89, and either 92 or 93 octane premium), Sunoco (in NY anyway) has a 91 octane which is usually less expensive than all other premium-grade brands, and runs just fine for me.

http://www.gasbuddy.com/ might also help.
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Old Jun 12, 2007 | 05:12 PM
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'99 AMG C43
What?

What kind of dishwater are you guys running your cars on? No wonder you're down on power..

Regular gas in the UK is 95 octane, with V-power/premium being 98/99 octane.

Mind you, I'd swap you for prices. The cheapest local place for premium (99 octane, 5% bioethanol) is currently over £1 a litre. That's roughly $9 for a UK gallon.

Or, to put another way, a fill up from close to empty, about $120....
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Old Jun 12, 2007 | 05:25 PM
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Originally Posted by Plug
What?

What kind of dishwater are you guys running your cars on? No wonder you're down on power..

Regular gas in the UK is 95 octane, with V-power/premium being 98/99 octane.

Mind you, I'd swap you for prices. The cheapest local place for premium (99 octane, 5% bioethanol) is currently over £1 a litre. That's roughly $9 for a UK gallon.

Or, to put another way, a fill up from close to empty, about $120....
Different rating system. Our 91 is the same as your 95ron. Our 93 is like your 97/98. However, even in L.A., its tough to find anything above 91 (your 95, remember).

They didn't offer 99ron when I was last in England so that part is interesting.
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Old Jun 12, 2007 | 10:41 PM
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98 C43, 86 Porsche 951, 98 Volvo S70 T5M
I put 89 octane with ethanol in my car because it was all the station had and I was on empty. It resulted in an immediate check engine light and now one of my oxy sensors is bad. So I would recommend against ehtanol blends.

I don't think it will necessarily destroy your oxy sensor, but I don't think the car liked it at all. 91 or better if I can find it is what I use.
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Old Jun 13, 2007 | 03:20 PM
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'99 AMG C43
Originally Posted by Carl Lassiter
Different rating system. Our 91 is the same as your 95ron. Our 93 is like your 97/98. However, even in L.A., its tough to find anything above 91 (your 95, remember).

They didn't offer 99ron when I was last in England so that part is interesting.
BP did a trial run with 102 octane fuel, last year I think - it was hideously expensive (about £2.40/litre) and only at a handful of stations. I don't know if they're still selling it.

http://www.bp.com/genericsection.do?...tentId=7017179

If you've got money to burn...
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