PeachParts Mercedes-Benz Forum
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-   -   Stupid Gas question (http://www.peachparts.com/shopforum/showthread.php?t=130891)

Duke2.6 08-11-2005 11:40 AM
US PON is the arithmetic average of MON and RON. The typical difference between MON and RON is 8-10 so US gasolines are about 4-5 points lower than equivalent European gasolines that quote RON.

Europe's best premiums are rated about 98 RON, and ours are 93 or 94 PON. From a practical standpoint, they both offer about the same detonation resistance.

Mercedes octane recommendations for US models are PON.

Duke

zeronero 08-11-2005 01:14 PM
Quote:
Originally Posted by Duke2.6
No engines with the CIS-E fuel system have knock sensors.

Duke
Which engines were those?


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