Looks like the high pressure pump on one of the CDIs is leaking. Ugh... Anyone have experience with this? I wonder if my indie can reseal or if I'm going to have to replace the pump.

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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife

shertex that pump looks like something you would see on a hydraulic power unit in a paper mill. I'd suspect they are rebuild able. Look around for hydraulic repair type shop that you can get it to.

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Jim

If it has Bosch on it a Fuel Injection shop could deal with it.

Is there any sort of number plate on it?

Note a hydraulic shop and a fuel injection shop are likely to have facilities to keep everything clean. I think few independent mechanics are up to that.

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84 300D, 82 Volvo 244Gl Diesel

Easily rebuildable with the correct seal kit , if you can do most car diy then this is just another job.
Plenty of seal kits on Ebay.

https://forums.mercedesclub.org.uk/index.php?threads/high-pressure-diesel-injector-pump-seal-replacement.105316/

Mark position of pump before removing

Here is a video link
https://www.instructables.com/id/How-to-Rebuild-High-Pressure-Diesel-Pump/

There is a part number plate but it's too small for me to read. I'm assuming it's Bosch part 0986437364.

I'm assuming my worst-case scenario is for my mechanic to send the pump to the local Bosch shop for a rebuild.

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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife