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  #1  
Old 05-13-2002, 03:21 PM
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Join Date: Feb 2002
Location: Clearwater, FL
Posts: 46
'86 300e fuel mileage...

What should someone consider to be acceptable MPG for a typical '86 300e?? Just curious...

Thanks,
Paul
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  #2  
Old 05-13-2002, 04:20 PM
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Join Date: Apr 2000
Location: Location: Berthoud, Co. USA
Posts: 76
'86 300e fuel mileage...

I get 21-23 around town and 25-29 on the highway with my 88 3.0ltr 300E. This is using 89 octane
fuel. I seldom run 91 octane but I do run a bottle of techroline once a year to keep the injectors clean.
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88 300E 225K Sold
2000 C230K Totaled @103K
2003 ML320 140K Granddaughters Limo
2009 E350 4Matic Sport 37K Sold
2011 ML350 44K
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  #3  
Old 05-13-2002, 04:44 PM
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Join Date: Feb 2002
Location: Clearwater, FL
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Dave,

Recently, a few people have told me that they often see highway mpg to be 25-27. My daughters car runs great but rarely achieves anything over 22. The car has 90k on it and consumes no oil - valve seals were replaced. Is there anything I can check, adjust, or change to improve it??

Paul
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  #4  
Old 05-13-2002, 04:54 PM
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Join Date: Apr 2000
Location: Location: Berthoud, Co. USA
Posts: 76
Mine has been pretty stable ever since I bought it with 92K on it. The milage hasen't changed much even though the head was reworked (camshaft, cam followers, valves, guides, seals and gasket.) I have repalced the fuel pump chack valves for hard starting. None of these changes have resulted in a change in the milage. I am still running the original rotor cap and wires @ 153K.
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Dave
88 300E 225K Sold
2000 C230K Totaled @103K
2003 ML320 140K Granddaughters Limo
2009 E350 4Matic Sport 37K Sold
2011 ML350 44K
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  #5  
Old 05-14-2002, 07:53 AM
LarryBible
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25 to 28 is what I see with mostly country road miles. Mine is a manual transmission which is more stingy with fuel.

Remember though, driving style can have a DRASTIC effect on fuel mileage. If you drive hard or drive a lot of stoplight to stoplight, you will use much more fuel.

Good luck,
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  #6  
Old 05-14-2002, 09:03 AM
renok7's Avatar
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Join Date: Nov 2001
Location: Montréal
Posts: 95
When I made the switch to synthetic oil I noticed that my gas consumption improved by 1 or 2 miles per gallon. As far as I'm concerned synthetic oil pays for itself.
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'93 300E 4Matic
'98 Nissan Altima
'00 Yamaha Road Star Silverado
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