Here are the parts numbers for a 124 sunroof:

Side angle 124 780 06 12 (left)

Side angle 124 780 05 12 (right)

Bridge 124 780 00 35 (rear)

A description of this job is right here on this forum written by Peter

It begins Hey all
You hae a broken lifting angle...

The parts are available from Mercedesshop, and probably many other places.

Good luck!

Mine is broken too, and no longer pops up. It opens and closes and I will be fooling with it soon.

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Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)