Camshaft P/N please

[TheEngineer]

I'm confused: found two Mercedes part numbers for the camshaft for my 280SL, engine no.130983-12-004702: 180 051 09 35 and 180 051 08 35. The first number is NLA. Is the second number for a "Euro" camshaft, marked 09 on the end? (Euro has more degrees of valve opening)

[Naj ✝︎]

Peter,
180 051 0935 was fitted on 130.983 upto eng # 010241.
Then superceded to:
114 051 0201
From eng # 005925 (manual) and 010242 (auto).

If you use the later cam in an earlier engine, you also need:

114 586 0405 bearing set.

I'm sure Joe A posted the details about the numbers stamped on the back of the cams many moons ago. Can't seem to find it.

Hope this helps

naj



65 230SL
68 280SL

[ja17]

Hello,

Yes the second to last set of digits on the part number should be the ID number stamped into the back of the camshaft. So the first camshaft 180 051 0935 should have a "09" ID number stamped into the back end. The second camshaft #114 051 08 35 should be identified with a "08" number stamped into the back end.  In addition the whole part numbers are usually cast into the camshaft itself.

The "09" is an original SL camshaft and was replaced in later years with an "02" camshaft. These two camshafts have the same profiles (lift and duration). They both have the same valve opening duration of 142 degrees total of valve opening.

On the other hand the second cam you have "08" will fit and work in the SL if the correct cam holders are used, as naj mentions, however it was originally designed for a later W114 chasis sedan and is a lot tamer. It has only 122 degrees of total valve open duration.
   

Joe Alexander
Blacklick, Ohio

[TheEngineer]

Thanks Guys, for your replies. My wife fell and broke her arm and I have to be here all the time to walk her, so she doesn't fall again. So I use my time to plan this crankshaft replacement. I drove a Euro 280SL of an aquaintance and noticed a considerable difference in performance: The Euro is lively! Just as I remember my 230SL.

[rwmastel]

quote:Originally posted by theengineer

I drove a Euro 280SL of an aquaintance and noticed a considerable difference in performance: The Euro is lively!

There are about 54,390,241 possible reasons that the car you drive felt more lively than your car.  I wouldn't spend the time/money on a different cam just because of this one experience.  Just make sure your car is set up right.

Rodd
Powell, Ohio, USA
1966 230SL, Euro, Auto, Leather, both  tops
1994 E420