Hello All:

A friend of mine just purchased an 86 300D and brought it buy for me to check out. One curiosity I noticed is that his main fuel filter is an aluminum body, looks like a canister type of filter with a drop in element, like the oil filter is. Mine has since purchased used the common spin-on type of fuel main filter.

Is there a peformance issue with these canister filters? We have not opened his yet to verify, and the only markings indicate Bosch. Were these phased out in preference for the spin on type? I can't recall anyone offeing the drop in filters for sale. An conversion issues?

Thanks,

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Stable Mates:
1987 300TD 310K mi (Hans)
2008 Jeep Grand Cherokee OM642 165k mi (Benzrokee)

My SDL has the 603 engine and it has a Spin-on Fuel Filter.
As long as it is the correct spec filter I doubt that it matters if it is a drop-in or spin-on. The filter elements are probably equally effective. The spin-on just makes less mess when replaced.

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1991 M-B 560SEL Arctic White/Grey 99,000 Miles
1987 M-B 300SDL Ivory/Palomino 229,000 Miles (sold but never forgotten)
2006 Volvo XC70 Blue/Beige
1999 Porsche Boxster Arena Red/Savanna Beige
1986 Porsche 928S Goldweiss/Brown

I had read some thread regarding the frequency of filter changes, and his pre-filter looked clean. If this thing is original it may never have been replaced? Unless the MB dealer serviced it with the cartridge type filter up until now. The car has 180K and drives great

Does anyone still have the canister type of fule main filter? are your still getting replacement filters for this set-up?

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Stable Mates:
1987 300TD 310K mi (Hans)
2008 Jeep Grand Cherokee OM642 165k mi (Benzrokee)

It's a spin on, probably a Bosch.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Thanks, it did say Bosch on it, its just so dull and oxidized that it looked like a cast aluminum piece. A new MB spin on is going on this weekend.

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Stable Mates:
1987 300TD 310K mi (Hans)
2008 Jeep Grand Cherokee OM642 165k mi (Benzrokee)

The Bosch filters have a very distinctive look:
http://catalog.eautopartscatalog.com/mercedesshop/sophio/image.jsp?title=Fuel%20Filter&url=http%3A//img.eautopartscatalog.com/live/E100031910BOS.JPG

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

My '95 E300D has a spin-on.

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- Brian


1989 500SEL Euro
1966 250SE Cabriolet
1958 BMW Isetta 600