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1991 Mercedes 300GD 5-speed manual - $25000

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goat
Posts: 1074

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#21 » Sun Aug 11, 2019 4:01 pm

Try BringATrailer.com
1984 W460 280GE Cabrio

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vadimivanovich
Posts: 7901

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#22 » Mon Aug 12, 2019 10:21 am

Looks nice to me. Good original condition and a great canvas for a dream build... or dive as-is!
"The way you think is the way you live"

supertreeman
Posts: 111

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#23 » Mon Aug 12, 2019 3:30 pm

PM Sent Im very interested..

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Covello
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Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#24 » Mon Aug 12, 2019 3:53 pm

Ha I was going to try to buy the front seat but it has the same tears as mine! lol

supertreeman
Posts: 111

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#25 » Tue Aug 13, 2019 8:18 am

Anyone have experience with the 603NA? Reliability issues, etc? Thanks!

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G Nome
Posts: 4077

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#26 » Tue Aug 13, 2019 8:27 am

Should be super reliable. May take a little bit to get up to highway speeds but should be good once it is there. Easy conversion to Turbo 603a or 606a if you can find the oil pans. Maybe you can use the existing pan form the non-turbo.

Kent

goat
Posts: 1074

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#27 » Tue Aug 13, 2019 8:28 am

Had the turbo 603a in my 1987 MB 300d and it was one of my favorite cars (over 300 I think) of all time. I assume the na is even more reliable but lacking the power of the turbo.
1984 W460 280GE Cabrio

supertreeman
Posts: 111

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#28 » Tue Aug 13, 2019 9:48 am

Is it safe to assume the the 603 NA would be an improvement over the 617non turbo? Seems to produce more power buy Im not able to find much definitive info on the 603 NA ..

Ive driven the 617 and it was pretty slow and any hill would drop speeds to a crawl.

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vadimivanovich
Posts: 7901

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#29 » Tue Aug 13, 2019 10:02 am

It's better than the 617, but the turbo version make a G an uncompromising daily vehicle. The 603 na is adequate... just.
"The way you think is the way you live"

goat
Posts: 1074

Re: 1991 Mercedes 300GD 5-speed manual - $25000

Post#30 » Tue Aug 13, 2019 1:57 pm

I had the 3.0 litre 603a turbo in my 1987 300D turbo and loved that motor. Surprisingly quick.
You'll probably want to avoid one with the number 17 head (but the engines are cheaper because of fear) but I think the problems (head cracking -?) only occur in about 5 - 10% on the #17 heads. Many last 300-500,000 miles.
This is from a MB sedan site but it lists the possible problems with MB diesels:

- OM603 ('87)
Head cracking/warping if overheated
~30s cool down, carbon build up
Trap oxidizer issue, MB recall
Vacuum pump check, is it noisy. Is it updated, external screws on cover.
Injection timer ramp, wear?


- OM602 ('90-'93)
Transmission, weak point (722.4)
A/C Evaporator
Headgasket leak if not cooled down, 20-30s (or cracked head)
Compression check
Vacuum pump in engine bay (is it noisy)
Carboned pre-chambers/glowplugs
C/C failure, actuator replacement
If sitting for months, algae. Watch out


- OM606 (1995)
Wiring harness
Head gasket
Glowplugs carbonned up, hard to remove
Blower motor
Blower motor regulator
Weeping fuel lines and o-ringsere is a 603a engine which the owner says is a 2.5 litre but it has been on CL for months now.
1984 W460 280GE Cabrio

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