Author Topic: Air filter installation  (Read 4432 times)


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Air filter installation
« on: February 05, 2014, 14:38:33 »
I'm getting my 220SEb back together and was wondering.  Can the air filter canister be
installed without having to remove the radiator?  I had it out and was repainting it when
I got the radiator back and installed.   Now it seems that the canister won't fit without
taking the radiator back out.   Is there some secret twist or angle that will allow it to go in
or will I have to drain and remove the radiator.


Cees Klumper

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Re: Air filter installation
« Reply #1 on: February 05, 2014, 17:55:08 »
Can you not loosen the brackets/supports that hold the radiator in place and move it out of the way so that the canister goes in without disconnecting the coolant hoses?
Cees Klumper
1969 Mercedes 280 SL automatic
1968 Ford Mustang 302 V8
1961 Alfa Romeo Giulietta Sprint Coupe 1600
1962 FIAT 1500S OSCA convertible
1972 Lancia Fulvia Coupe 1.3
1983 Porsche 944 2.5
1990 Ford Bronco II


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Re: Air filter installation
« Reply #2 on: February 11, 2014, 21:22:03 »
I think you have to remove the intake venturi housing.  Not that bad, just four nuts and some plumbing. One of the nuts is a little difficult to get to.
Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback


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Re: Air filter installation
« Reply #3 on: February 12, 2014, 20:47:22 »
I had my W111 A/F housing out with the radiator not too long ago, but just cannot remember the order I installed them. It had to be manuvered a bit to keep from scrathching it up. Might also check the (3) rubber housing mounts. Would be a good time to replace if original. They look very similar (not the same though) as the fuel pump mounts.

If you do remove the venturi housing, be sure to have a new gasket handy in case the old one tears. I used a very thin coat of Permatex #2 on the new gasket just to prevent any vacuum/oil leaks. Since the crankcase breather tube is just before, you can get a bit of oil slime.
'68 280SE W111 coupe
'60 220SE W128 coupe
'70 Plymouth Roadrunner 440+6