Quote:
Originally Posted by sunedog
99 ML 320 with 217K miles.
Just got back from a trip. 17.8 MPG based on a tank that was used about 30% in town and the balance on the highway at 80+ MPH. Ouch.
Note: Have been alternating 87 octane and 89 octane fuel. This tank was on the 87 octane.
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Has alternating the octane caused any problems for you? I tried that on my Lincoln which requires 91 octane. I was putting in half a tank of 89 and then half a tank of 93 whenever I filled up. I had some problems starting it a couple of times. When I went back to all 93 octane, the starting problems ceased.
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century 
OBK #55
1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles
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