I just noticed the picture of me holding the broken off part of the hood hinge maintenance position latch.
That was laying in the place where the left (driver side) hood hinge goes when the hood  is closed.
Looks like someone forced the hood shut and broke it off.  It's used to latch the hood in the maintenance position.
The other side is used to get it into the maintenance position, and that works.  
This side (driver, left) is for locking it there.
So long as there is not wind, like being inside, I've had no issues with the hood staying up in the maintenance position.

How do I rate the performance of the engine?
I've not had one of these before, but, It feels like it has good power, and it sounds good doing it.   The cruise control will easily maintain highway speeds on hills. 
There is a 0-60 and cruise control video. You can get an idea of the 0-60 time from the time elapsed in the video..
Also, there is the oil fill cap blow by video (you can see the cap rotating, due to the vibration, but it doesn't lift).

Is this car ready to run long distances?
I would take this car across county tomorrow.  I can literally not think of another thing that I would do before that.
In fact, I would expect that it would not be a very eventful trip.

Click and Clack of Car Talk have been asked that very question at least 3 times that I can recall.  Either it was a mother / daughter, Father / Son, Husband / wife, whatever, 
They always gave the same answer: "Do nothing, let it break, it will  be an adventure of a life time."

That's why I say it's not likely to be a very adventurous trip.

Next question:

Picture of completed D pillar repair?
No, I  do not.  Sorry, but I can tell you a small patch was welded in, seam sealed, and painted.
The is a picture before the welding. (It's has text in it the called it the "C" pillar).

I've been asked a few good questions. I will share the answers here:
Given  the gap in the history, how do I know the mileage is accurate?
I spoke with the executrix  of the estate.  I was told that this was the owners mothers car.  That's how they came to own it.  I also know that they had at least 6 other vehicles, some had very low mileage (one was a 1999 Cadillac with 2,500 mi.).  So the fact they did not register it for a license plate for many years made sense.   Then there was the car it's self.:
My Initial inspection:
Initial check of fluids showed all fluids present and accounted for.  The car started, shutoff, ran, stopped ok.  By ran ok, I mean it would suffer fuel starvation on full or near full throttle (due to bad check valves in the lift pump), the SLS was not functioning, (low in the back, and very bouncy), the steering had a bit of play at near highway speeds, the A/C didn’t work, the seats didn’t want to adjust, the clock, and the tach didn’t work, and it had a significant exhaust leak.  I tell you this so you can see how it was clear that this car had not been used much since the 2nd owner acquired it.  As for the interior, it was a bit dirty, but no indication that it had been smoked in, also, no unusual smells, and no signs of mouse/rodent damage. 

Regarding the wood.
I've sent in 3 pictures to be added. 
One shows the wood in the console fairly accurately.  The other 2 are of the ash tray, and the lighter.  I took many many pictures under different lighting.  I could make the wood look better, or worse.  I wanted something accurate.  It turns out that was hard for me to do.  What I would say about it is, that the wood presents well, not perfect, but quite nice.  None of the wood is delaminating, it all lays flat, and there is a consistent gloss, and depth of the clear coat., and the color and grains vary by an amount you would expect for wood.  In the pictures you can nit pit some details, but they really don't show up in normal use.  What is noticeable is on the main piece around the shifter, and the switches, the clear is starting to crack.  I think I captured the essence of what is going on there.  Again, It is possible to take pictures that make this look a lot worse, and ones' that don't show it at all.    So I went with one that shows it about how you might notice it in real  life.

@W123S123 
I mounted them in the exact locations that they were in prior to me acquiring the car.. I did not want to make any new holes,, which I didn’t.
I did need to trim the corner off the passenger side holder.
It does not need to be open to operate the door handle.  It is close. But doesn’t interfere.
They are in different locations.  I think this is due to glove box, head light switch etc.

@Daniel75 
The bottom 2 are, (around the shifter, and  the ash tray).  The upper 2 were restored from the bare aluminum base plate. Zambino veneer was glued to furniture grade plywood , which was  previously glued to the original base plates.  Then stained, and polyurethaned..
I meant get more pictures of that area.,.  Unfortunately  I Won’t be able to do that until later on Sunday. (tomorrow).
I will say the ash tray, nor the cigarette lighter show any signs of being used for smoking, or for much of anything, for that matter.  That is to say that they’re  in excellent condition.

@cebogs00 
Ii don’t know about that. I think they all get like that eventually.

@cebogs00 
You are correct.
The 2 keys that came with the car are not MB brand.
I ordered keys, and paid for them, at my local MB dealer, based on the VIN.
2 weeks later they called and said,, MB Classic stopped doing that:-(.
They refunded my money.
I purchased a lock cylinder with a VIN based key for the rear hatch.  So  I have a key for the hatch from MB, but it doesn’t match the VIN!
On the bright side, I have been inside the hatch, and all the mechanisms are in perfect order, well lubricated, and absolutely no rust or corrosion to be seen!

I wanted to say something about the radio and tape deck.
The tape deck works fine, the tape deck has new belts, and the rollers aha d even cleaned. All the buttons on the radio work, however the reception is a bit weak. You can here how the radio gets loader, , and clearer as the antenna goes up in the video.

I’ve mounted the cup holder in the holes that were there.
Need to figure out how to add pictures.

Thinking of smells, regarding this car, that’s why I changed out the injectors.
 It wasn’t until I had the suspension , brakes, and SLS sorted out, that I stared to drive  it a bit. 
I went into the garage one day, and smelled diesel fuel.  That was the first time I smelled that, and not been working on bathe fuel system 
Turns out it’s a common problem.  The fuel injectors are make of 2 half’s, (top and bottom), the joint is an interference tapered joint, and they weep after many years.  Turns out 3 of them were seeping,.  so, I went ahead and replaced all 5., as well as all the rubber fuel lines in the engine compartment.
That fixed the odor.
You do of course smell diesel exhaust if you back up, or are in a garage. With the motor running , but otherwise, as I said,  no smells, not even diesel fuel.

@GregF 
I agree,  some like the history that the patina portrays.  Others like everything perfect.
I like to focus on the functionality, and making what’s there as nice as possible, within reason.

Some, probably most, of you have noticed the holes, and indentations in the front door cards.
These were from cup holders.   Apparently MB sold these as  an accessory.
They were, broken, and missing parts.
However, I have, received new ones that are exactly like the ones that were there, except there not broken.
I didn’t want to say anything until I had them in my hands..
Now I do, and they are of excellent quality.
I will post a picture once they are installed.

@GregF 
Thanks, that was my intention.
I have bought a few cars sight unseen, and  one was as expected the other had an Oder that was not disclosed. Who does that?
So, yes it is as presented, not perfect, but very nice in all respects.
No odors in this car!

Thinking about all of the typical issues that these cars have, it occurred to me, that I hand not taken pictures of the seats when they were out.  However, I can tell you that I inspected the springs in the seats, and none were broken, or even repaired.  Also, these have the round springs in the corners (which was a running change MB made).  

I've been asked to elaborate on the damage sustained in 2020.  
I don't have any first hand information about that, as the owners had passed before I became interested in the car.  However, the paint work seems to be older than that, and the report references the right rear corner.   To me, the doors would be described as right side.  However, when I went to look at the car for the first time, the right rear tail light was broken (see picture).  This matches the description better.  I'm assuming they reported it, collected the money, and never got around to fixing it.  So I purchased a used tail light, and installed it.  I also took pictures of the area behind the tail lights that show that area to be as it left the factory.  Meaning, there is no sheet metal repair in that area, and the damage was limited to the plastic tail light. 
Back to the doors: Looks like there was a light scraping along that area.  I say that because I've been inside the doors, and there is no signs of the sheet metal damage on the inside.  So the damage must have been very minor.  However there is a small dent in the passenger front door, which can be seen in the pictures.   There are also 2 dents that are under the right rear bumper cover.  The paint isn't cracked or even scratched in those 2 dents (see picture).  So, was that part of the damage in the report?  I just don't know.

The only parts of all this that you actually notice, by walking around the car, is the small dent in the passenger front door.  The other issues, you need to get down low, and look very closely to see that it's not perfect.
Hope that helps.

The remainder of the paint, and sheet metal is clearly original, and in  great condition.

Feel free to ask questions, comment or send a message.  I have a large amount of information to share.  I didn't want to overwhelm anyone.   I've made an effort to show any of the issues, and show any repairs, and all the maintenance , so there would be no disappointment after the sale.
Bottom line, it is a really nice car.