It has been doing this for about 2 years, but continues to work ok. There seems to be a few Rough spots when it goes up. Any idea of what is causing it? Thanks! Does it need lube or is something failing?

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1982 300SD

Sounds like its overdue for a lubing and alignment check.

Several threads here on the 'how to's'

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."

Inspect for any cracks in the regulator assembly.

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83 SD

84 CD