Thanks gschira,today i decided to go for it and check all the valves.as you stated there were ex.seals on int. valves and vice-versa.I installed the seals as they are supposed to and she started and idled for a while.tomorrow i will go a test drive to see if she no longer blows smoke.Will let you know the outcome..

i just looked at my spare pack... flat for intake , cone for exhaust

https://www.**********.com/search/product.aspx?sid=luesmt45ao34h4yaafamyn2f&makeid=800016@Mercedes&modelid=1193600@300CE&year=1989&cid=valve@valve&gid=5504@Valve%20Stem%20Seal%20Set

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]

Curious...how hard was it to replace the seals? Also...would you / did you have external leaks from the old seals or was it just burning through oil?

Same thing.

If the valve seals are leaking, that means oil is going into the combustion chamber.

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http://i193.photobucket.com/albums/z...-RESIZED-1.jpg
1991 300E - 212K and rising fast...