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#1
10-11-2010, 05:36 PM
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1980 250t (gas wagon) filter question and poor mileage
i could lie and say it is a 79, sorry.
i have a 1980 250t (euro car now in canada). i am looking for air and oil filters for this vehicle's engine but t am not having any luck because this car was never sold in north america. my parts guy can not find any listing for it. is there another car that uses these filters? i think a 72 250c air filter might work but i am not so sure about the oil filter  . any help would be greatly appreciated.this machine burns a lot of gas under normal driving, i did notice the fuel pressure regulator is not connected to the vacume port c on the carb because it is blocked off and full of gas (i guess it is broken) . is there anything obvious i should be looking to adjust to get better mileage? thanks 
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#2
10-11-2010, 08:44 PM
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Is that a 250 T with carburetor? .The W114 250 has the same air filter i think and all the oil filters are the same for most of the six cylinder cars.
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#3
10-11-2010, 08:48 PM
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Any Mercedes dealer should be able to get the filters. The PN's are 001 094 21 04 for air and 000 180 00 09 for oil. They are both common to the 114.920 engine in a 250C.
Not sure about your fuel problem. The EPC shows a mechanical pump, but no regulator. It sounds like someone may have added an electric pump and regulator and disconnected the regulator for some reason.
__________________
Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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#4
10-12-2010, 12:14 PM
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That would be an M123 motor. The carb is Solex 4A1 pretty much like the M110 motor, but the throat and jet sizes are different.
The oil filter will be the same as the 250C and the air filter will depend on the shape of the air cleaner. Take the filter with you to the parts counter and see if it's the same as the 280SE or 280E. That or call a parts supplier that handles grey market cars. The 800 number, above should be able to help. The M123 is basically a slightly more modern M130V, just like the early 70s 250 and 280 carb'd cars. HTH -CTH
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