My 1995 E320 Sedan gets about 13mpg. Should I be worried? I do about 70% City/30% Highway Driving. My fuel filter has been changed recently. I have always used Chevron Premium, noted the cleanest gas in my area. Is there anything else I can do to increase my gas mileage? Thanks.

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'95 E320 Sedan w/224K Miles (W124)

>tune up
>proper tire inflation pressures
>driving style

imho- 17mpg average is quite low for city driving in such a W124

-fad
'94 E320 Coupe
'94 E500
'92 300E 2.6

That sounds really low, I am getting ~21-24 on the same ratio of hw/local driving. Sounds like new plugs or coli replacement. Start with the obvious, check air pressure.

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95 E320 Coupe Black - 70,000 miles with Parchment interior. Stock through out
93 400E Dark Blue - 65,000 miles Sold to my dad
86 300E Gold(yuck!!!) 126,000 miles- Sold, a really fun car with a lot of memories

Thanks everyone. I took it in to my mechanic, and he said the O2 (Oxygen) Sensor was completely dead. He replaced and I am now actually getting a rhythm. Burning pure fuel might just have a little to do with the bad gas mileage As soon as a full tank runs through, i'll post my new gas mileage. I am already noticing a huge difference.

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'95 E320 Sedan w/224K Miles (W124)

FWIW, a huge drop in fuel economy is 99% of the time caused by a bad O2 sensor.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".

Hmm... I thought when the O2 sensor went out, the check engine light goes on. Was yours on? Probably not, as you probably would have mentioned it.

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Willy

'94 E420 White

Mods
-------
Berg Werks Keyless Entry
Buzzer replaced with Chime
Dash Light Upgrade
Burlwood/Leather shift knob
Alpine CDA-9815 Head Unit
2002/2003 16" C Class 7-Spoke Wheels
Updated "Chip" to fix Code 19 problem

No, my Check Engine light was not on. However, when I start my car, it does flash to indicate the bulb is working. Thanks

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'95 E320 Sedan w/224K Miles (W124)