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  #1  
Old 05-13-2019, 06:50 PM
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URGENT - Please Help - RARE - Mercedes OM601 Diesel Van - Imported from Europe

Hey guys,

I assist other people with their Mercedes diesels in the area and I'm having difficulty with this one. This gentleman is driving down as he's travelling the country in his van and wants some assistance. He's an older fellow so not familiar with forums and such. This is a 1981 (or 83 but the owner says 1981) Mercedes OM601 diesel.

VIN= 60131618174302
TP=601D 28
YEAR: he says it's a 1981 but looking at this 601 did not start until 1983.





My questions are the following:

a) What types of injectors should I order for this? Can I simple order ones for a 240D W123 1981? Or should the injectors in this car be rebuilt?

b) Fuel Lines - that go from injector to injector. Can I use the same 2.5mm ones used for the W123?

c) Does this engine have adjustable valves? If so, what are the clearances?

d) Does this engine have 2 fuel filters similar to the 240D Engine?

e) What is the proper oil filter to use for this? Just order from the dealer via VIN?

Thanks in advance everyone.
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Last edited by marco5; 05-13-2019 at 07:06 PM.
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  #2  
Old 05-13-2019, 07:10 PM
engatwork's Avatar
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a) Why do you think they need to be rebuilt? How does it run?

b) Yes

c) I would think yes and would look for a tag in engine compartment or on tag on engine that provides this info.

d) You should be able to tell this by following the fuel line. Can you post pic of engine?

e) Don't know.
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  #3  
Old 05-13-2019, 07:15 PM
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A) Same. The early 60x with vertical injection were the same as the 617's. 115bar for N/A and 135bar for Turbo. Why do you think it needs injectors? Unless it has signs of needing them, leave well enough alone!

B) Exactly the same.

C) No. All 60x engines use hydraulic tappets. No adjustment needed.

D) Yes. Same as the 61x engines.

E) Check by VIN. If it's a stock system, it's probably the same as a W201 190D
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  #4  
Old 05-13-2019, 07:30 PM
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Thanks so much everyone - good to know the valves are not adjustable. He's experiencing power loss, loud engine, some smoke at startup. I'm guessing the injectors are original. Only 140,000KM on the old girl.

Just wondering, if the OM601 engine did not start until 1983, how come his ownership says 1981? Is it possible that it's a OM616 engine?

In this case - that it's a OM601 engine, I will do the following:

-Purchase injectors for a 1981 240D and replace with heat shieldsx4
-Perform a oil change
-Perform a diesel purge and change 2 diesel filters
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Last edited by marco5; 05-13-2019 at 07:42 PM.
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  #5  
Old 05-13-2019, 07:59 PM
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Why just not have the injectors checked? Mercedes recommends just checking them at 100 thousand miles. Not replacing them. For example all but one might check as in good condition and many replacement nozzles and sets leave a lot to be desired.


Our fuel is not as good as European if he is just visiting north America. This might lower his power a little as well. That size unit on that engine is a substantial load.
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  #6  
Old 05-13-2019, 08:19 PM
t walgamuth's Avatar
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Quote:
Originally Posted by marco5 View Post
Thanks so much everyone - good to know the valves are not adjustable. He's experiencing power loss, loud engine, some smoke at startup. I'm guessing the injectors are original. Only 140,000KM on the old girl.

Just wondering, if the OM601 engine did not start until 1983, how come his ownership says 1981? Is it possible that it's a OM616 engine?

In this case - that it's a OM601 engine, I will do the following:

-Purchase injectors for a 1981 240D and replace with heat shieldsx4
-Perform a oil change
-Perform a diesel purge and change 2 diesel filters
Hi Marco, I took Jim's statement to mean the valves are adjustable.
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Old 05-13-2019, 08:21 PM
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Looking here - if the year is correct being a 1981, he would have a OM616 with adjustable valves no?

https://en.wikipedia.org/wiki/Mercedes-Benz_TN
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1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
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A great site for purchasing industrial rubber products!

Industrial Rubber
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Old 05-13-2019, 08:37 PM
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Put an om603 turbo in it.
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  #9  
Old 05-13-2019, 09:05 PM
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Yea, I'm not 100% certain it requires valve adjustments.
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  #10  
Old 05-13-2019, 09:11 PM
t walgamuth's Avatar
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I am.....99.9% at least.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 05-13-2019, 09:16 PM
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If it's a 1981 it's probably a 616. If he has his dates wrong and it really is a 601, it has hydraulic tappets and requires no adjustment. Lay eyes on it. It'll be painfully obvious which engine it has.
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  #12  
Old 05-13-2019, 11:18 PM
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I'm not a doctor, I'll tske a look. Show us a pic of the engine or let us hear it run.
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  #13  
Old 05-14-2019, 02:05 AM
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Looks like a Hymer S550 to me

I would guess it has an OM616 but you'll have to take a look to be sure
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  #14  
Old 05-14-2019, 04:10 AM
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Check the VIN. It could have the 616 or 601 depending on year. 81 616. 83 probably 601. No valve adjustment for 601.

I think the owner imported it from Portugal. I Googled the VIN number but info is in French. It seems like a om616 2.4l engine. The easiest way to tell is the drive belt. Om601 uses 1 serpentine belt.
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Last edited by ah-kay; 05-14-2019 at 06:50 AM.
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  #15  
Old 05-14-2019, 09:25 AM
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Looks to have a 616 gents, this means it's a regular 240D with adjustable valves.

FIN WDB60131618174302
Model 207D30
Engine 616934 10 096639
Transmission 711200 10 176957
Order Number 7 0 293 01300
Order Location FACTORY SALES CIVIL BODY F.
Paint 1 9018
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1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic

A great site for purchasing industrial rubber products!

Industrial Rubber
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