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Old 10-26-2003, 08:17 PM
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dynalow dynalow is offline
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Join Date: Feb 2002
Posts: 1,525
My 1988 300ce began burning oil at a rate of a quart every 1,000 miles or so about a year ago and progressively got worse..down to about one every 400-500 miles. When I had the 52,500 service done 4/03, the MB service rep asked me if I was burning oil. Told yes, he said I probably needed valve seals.

Had the job done at 57,900 by an indy in July.. Parts: Seals = 31.00, valve cover gasket = 17.50. Labor (4.2 hrs) 361.20.
Had the 60,000 service done by MB two weeks ago. During that period, no noticeable oil consumption. Problem solved.

I guess this shows that seal deterioration and failure can be a function of age as well as use.

I didn't catch the mileage on your 87 300e, but if it's not too high, you may solve the problem with just doing the seals.

Good Luck.

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