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mr_benz 11-07-2007 09:49 AM

1995 E280 Using to much fuel
Hi everybody, i recently purchashed a E280 manual, i brought this manual becouse i heard they dont use that much fuel as an automatic, but im getting like 18 MPG round city and motorway, my automatic E280 used to do at least 25 MPG. The other day i toped up my E280 with 99 octane fuel and done 52 miles on it and it used over half of it. I was shocked, i also changed the Viscus coupling as it was on all of the time, i think something is also wrong, i would appreiciate any help thanks

mbdoc 11-07-2007 10:25 AM

IF the O2 sensor is working that car should make better mileage than an automatic..
Stare with replacement of that sensor.

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