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Old 05-28-2019, 02:46 PM
Graham's Avatar
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Join Date: Nov 2004
Location: Ontario, Canada
Posts: 3,409
85 300D Transmission issue

Recently, I have noticed that occasionally when I put our 300D into drive, nothing happens! If I move to park or reverse and try again, it usually then works.

I checked ATF level and it is correct.

On my other old Benz (107), I once put in new bushings in shifter mechanism. Is that something I should look at here, or would it more likely be transmission itself?
85 300D,72 350SL, 98 E320, Outback 2.5
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Old 05-28-2019, 03:20 PM
Stretch's Avatar a shield of steel
Join Date: Sep 2009
Location: Somewhere in the Netherlands
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Could well be shifter bushings - always do silly simple (and cheap) first
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior

Don't leave that there - I'll take it to bits!
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Old 05-28-2019, 03:59 PM
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Posts: 677
Yes it could be shifter bushings, if they are worn the excessive play can usually be felt in the shifter linkage whilst moving the shifter.

Could be a sticky valve in the valve body, I've had success with Lubegard brand additives for that.

How is the fluid condition and level?

Good luck!!!
Does a Caddy stretch? No, but a Mercedes bendz.
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Old 05-28-2019, 09:18 PM
Diesel911's Avatar
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Location: Long Beach,CA
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As the other said; "If I move to park or reverse and try again, it usually then works." sounds like it could be the shifter bushings.

You did not say if revving the engine caused it to go into drive if you did not move the Shifter.
84 300D, 82 Volvo 244Gl Diesel
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Old 05-29-2019, 12:24 AM
ykobayashi's Avatar
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Join Date: Jun 2005
Location: Irvine, CA
Posts: 564
I had this problem on my SD. It did this off and on a month or two. During that time I put in new shift bushings. I thought that fixed it then bam, complete failure of my B2 piston. Left me stuck.

Just throwing that out there. Hope it is only bushings.
79 300TD “Old Smokey” AKA “The Mistake” (SOLD)
82 240D stick shift 335k miles (SOLD)
82 300SD 200k miles
85 300D Turbodiesel 160k miles
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Old 05-29-2019, 07:37 PM
ngarover's Avatar
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Join Date: Oct 2010
Location: Northern Georgia
Posts: 1,863
My auto is doing same thing. it will sit and not engage, or just engage a little. them will work enough to let me move the car around. planning on just putting in the 4 speed manual I have once I'm able to find the parts to rebuild it.
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Old 05-30-2019, 03:55 PM
unkl300d's Avatar
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Location: San Francisco, Ca
Posts: 2,295
Might just be a dirty valve body. Your reverse works and that is good news.

Get it looked at before you end up roaching the clutches etc . IMO
1979 300D 199 K miles
1995 C280 95 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles
1979 240D 140Kmiles (bought for parents) *SOLD.
1989 300SE 148 K miles *SOLD
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