CL-Class (W215) 2000-2006: CL 500, CL 600

Fuel Requirements

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Old 07-12-2019, 11:54 PM
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2007 CLK550 Coupe, 2003 CL600, 2012
Fuel Requirements

Where I live the gas is 87, 89, 91, and 93 or 94.
The CL wants 93 octane.
Petro Canada has 94 octane, but are they getting that from alcohol?
Or is more octane the better no matter where it comes from?
Petro Canada website is pretty vague about the whole ethanol thing
by saying they put up to 10 percent ethanol in various gas blends.

"In many of our gasoline grades, ethanol is blended with our conventional unleaded gas. Up to 10% ethanol is mixed with our gasoline where conditions warrant and to meet federal and provincial mandates."
Old 07-13-2019, 03:05 PM
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basic settings is 93
you can set it to 91 in Das Dev
anyway, it's auto - adaptive (you can reset auto adaption like auto adaption for the transmission in DAS)
I run 2 different Ecu maps. 1 with 93 and one for special mix 93 gaz + E85 to get 820HP with special custom injectors of course I programmed a switch on dash to switch those 2

Last edited by pmercury; 07-13-2019 at 03:10 PM.
Old 07-13-2019, 03:09 PM
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So the ethanol is no problem?
Old 07-13-2019, 03:09 PM
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at all
Old 07-13-2019, 10:52 PM
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I run ethanol free in my CL600. If that option is not available then run the highest grade possible.

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