Quote:
Originally Posted by POS
To start, I don't think the 240D gets that good of mileage - my w124 gets 34 hwy and 29-30 combined. Based on my knowledge, I thought the w123 was in the 25mpg range.
Regardless, easiest places to start are with clean filters (all of them) and tire pressure. With only 92k miles and a manual, you should be at the top of the heap.
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Still, 20 mpg seems too low... I've even been using a product from Performance Products over the past year that is supposed to clean the fueling system and increase fuel mileage. Clean filters... I changed the air filter about a year ago, and it didn't help a bit in this regard. I could change the fuel filter... What other filters are left to look into?
Rino
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1979 240D, W123, 105K miles, stick, white w/ tan interior.
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02-18-2007, 08:09 PM
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