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  #1  
Old 05-29-2002, 01:24 PM
Snow bum
 
Join Date: Jan 2001
Location: Here and there . . .
Posts: 238
Valve adjustment on M110 280SEL

I need to adjust the valves on my gray market 83 280SEL with a euro-spec M110 motor. I remember seeing a post with detailed instructions on valve adjustments, but I cannot find it. Can anybody provide me with information on how to adjust my valves? Anything specific to the M110 that I need to be aware of?
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Ben

The MBs:
1976 300D (W115) - 330K and still going (sort of)
1991 300D 2.5 Turbo - Sold at 221K
1983 280SEL - Sold at 206K
1981 300SD - Sold at 232K
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  #2  
Old 05-29-2002, 01:58 PM
Moderator
 
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Some what a simple job if you have a "factory" wrench OR one that is shaped just right.
The clearance specs should be on the valve cover, if not then set the intakes to .004" cold & the exhaust to .010" cold.
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  #3  
Old 05-31-2002, 01:21 PM
Registered User
 
Join Date: Jul 1999
Location: Bismarck, ND, USA
Posts: 40
I've done this twice now on my car, and it's not difficult. I followed the 110 engine shop manual, a Chilton's manual, and instructions that were printed in a technical article in The Star (MBCA magazine) a few years ago. I can send you a copy of the article if you want to.

It's good to use a new cam cover gasket. Tools needed include a 17 mm open end wrench for the adjusters (I think the techs use a thin wrench, but my Crafstman wrench worked ok), feeler gages, screw driver and plastic hammer for removing and installing the clips, and wrenches to remove and install the cam cover bolts and spark plugs. I turned the engine with a socket wrench on the crankshaft pulley bolt. It's easy to turn with the plugs out. Remember to remove the socket wrench from the pulley bolt when you're done; it's easy to overlook!

John.
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John R. Boyce
Bismarck, ND
1983 280SL, Euro, 5 speed
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  #4  
Old 06-01-2002, 06:26 PM
Snow bum
 
Join Date: Jan 2001
Location: Here and there . . .
Posts: 238
It would be quite helpful if you could send me the instructions. Will you please if you get a chance?
__________________
Ben

The MBs:
1976 300D (W115) - 330K and still going (sort of)
1991 300D 2.5 Turbo - Sold at 221K
1983 280SEL - Sold at 206K
1981 300SD - Sold at 232K
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