Update for any other W115 owners who might be curious.

I picked up the rebuilt pump today and finally got to talk to the guy that runs the shop. He seems very knowledgeable and I had a good talk with him about my other diesel.

The pump looks very good, they completely rebuilt everything, and it’s at my local guy being installed and timed.

The total for the rebuild was $1400 with a 1 year unlimited mileage warranty.