Seeing the bearings in the Alternator are going bad, I would like to go to the salvage yard and find a Mercedes with a compatible alternator. Any of you guys know which ones are bolt on or require minimal modifications to fit?

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.

Any serpentine-belt model up through the mid 90s should be plug/play with the existing wiring harness. The alternator is not specific to the diesel. Sometime in the mid 90s they changed the plug on the back. You can still use the later alternators, but you'll have to modify the wiring to do so.

So long as you're shopping, look for a 90A. If you get a larger alternator you'll need to install a clutched pulley (though it's a good idea even for the smaller ones)

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

MERCEDES-BENZ 190D 1986-1989
MERCEDES-BENZ 190E 1986-1993
MERCEDES-BENZ 300CE 1988-1989
MERCEDES-BENZ 300D 1987-1993
MERCEDES-BENZ 300E 1986-1987
MERCEDES-BENZ 300SDL 1986-1987
MERCEDES-BENZ 300TD 1987
MERCEDES-BENZ 300TE 1988-1989

From other parts website. These car models would fit but check it for yourself.

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.

I have one I think for your car. $60 plus shipping And it's yours. It worked great.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k

But I just bought a rebuilt one for my SDL from a local parts chain store and paid $85 for it. Works great and didn’t break the bank.

What car did it come from?

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.

1993 300d 2.5 pretty sure it's the same one for your car just look it up to double check

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k

No, not the same.

It will bolt in, but the charging wires need to be changed.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

How would I do that?

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.

I see this in the salvage yard, good candidate?

Row52 | 1993 Mercedes-Benz 300 at PICK-n-PULL Virginia Beach WDBEA32E2PB881164

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.

Bearings are replacable. Not to mention that any large metro area likely has a number of auto electric shops that could overhaul your existing alternator.

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When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.

X2 "Bearings are replacable. Not to mention that any large metro area likely has a number of auto electric shops that could overhaul your existing alternator."

Take the car to an auto parts store that can test both the amperage output and the voltage. If both the amperage and the voltage are good, replace the bearings and the brushes if the brushes are worn. Replacing the brushes will likely require soldering. It is a good learning experience and if it does not work then replace the alternator.

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer

Getting the front bearing out will be a three or four page thread. Just sayin'

What you're looking for is an alternator with the same terminations as your car. There were two variations used by Mercedes: plug-in or bolt-down. See photos. If you have a specific alternator in mind, you can tell from the photos attached.

Attached Thumbnails

   

Oh ok, that makes sense. Thanks!

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.

x2, the bearings cost only a few dollars each and are easy to replace. The rear bearing literally drops into place, the front one requires a few more steps however. Youtube has many step by step videos that make the job easy.
They are a common standard size, nothing weird or exotic. Replacing the whole alternator because the bearings or the brushes or the regulator has failed is like replacing the whole engine because the belts are worn out.

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1998 E300 turbodiesel

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