@TimL, That’s nice and shiny looking new transDropped my car of at Mercedes in Lynnwood earlier this week to get another MB replacement gearbox installed. Steve is running all the lines required for the E/S functionality but won't hook anything up just yet, so as to avoid any potential conflict with any warranty claim in case this one turns out to be faulty too (hopefully not very likely).
The car should be ready tomorrow, so I'll drive it for a bit and see if everything is well before the E/S system is hooked up. The good thing is that the gearbox won't have to be removed for that E/S functionality with the way Steve set everything up now, so it should be a fairly easy thing to do.
I also dropped off an early generation lower dashboard for the driver side that I found after trying for quite some time (the one without the bulge) and I'm looking forward to that being installed. While there, the car will also get its scheduled maintenance so that everything is good to go. Next thing up is getting the headliner replaced, something I have been pushing off way too long now.

As for the headliner, I think 28 to 30 years must be the life expectancy for the 124s. It seems like a lot of our cars are getting them replaced lately. Mine fell down while parked in the garage for the last 3 years.
lol