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Old 07-28-2003, 06:51 PM
Registered User
Join Date: Jul 2003
Location: Waterbury, CT
Posts: 5
Question 1981 MB 300SD Transmission slip?

This is my first post, but I have been browsing past post and appreciate the value of this board. Please I am looking for opinions/suggestions/advice. Now here's the scenario. I had the car out for an approximate 60 mi. ride (roundtrip) which covered all types of roads and speeds. On the last leg of the trip(2 more miles left) the tranny started to slip(let loose when asking for power climbing hill on interstate at 65 mph.) after approx. 1/4 mi. of trying to figure this out I pulled over to the breakdown lane. At this point I attempted to go through all gears to both feel and listen. No engagement whatsoever and no unusual noises. Had the car towed to a repair center and returned to talk to the gent today, started the car and lo and behold the trany engages normally. Seeing how this center will not service MB's I attempted to at least get the car back home(2-3 mi.) and do more homework. Well after warmup I departed and don't you think the car performed flawlessly. Go figure!! History of this car is, This Tranny Is a Rebuild, installed by a MB DEALER some 8 years ago but only 15,000 mi. put on since and of course the dealer is no longer. This car was garaged for the past 6 years. Fluid is fairly clean and level is correct. Should I start with new fluid and filter?
Anyone know of a knowledgable/honest MB tranny person in CT.
Help,, what to do,, where to go!!
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Old 07-28-2003, 08:03 PM
Registered User
Join Date: Mar 2003
Location: New England
Posts: 214
Welcome Mike,

I had a similar problem with my 84, it had sat idle for a couple of years but the tranny had been serviced before it was parked. A post here mentioned that many trans problems were really due to a poor running motor. Cleaned out the boost line to the alda, adjusted the bowden cable. Lubed all the throttle lingage joints. Excercised the modulator with a Mityvac. Replaced air and fuel filters. Cleared it all up.

Good Luck
85 300SD, 300K+, anthracite gray
97 S320, 205K black
02 E320 4matic Wagon, 160K green
88 Dodge W100, 160K, 4wd beast
00 C230 Kompressor, 200K silver
83 300SD white, 350K+
84 300SD silver, 275K+
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Old 07-28-2003, 10:05 PM
Registered User
Join Date: Jul 2003
Location: Waterbury, CT
Posts: 5
Thumbs up Thanks

Isn't life strange? My brother who I inherited the car from is also named Jerry.
Thanks for your input..
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