UPDATE

Just got my C280 back from the shop for the sun roof repair and as promised here are the damages......
2027800912-Slide Angle 124.00
2027801012-Slide Angle 124.00
1407800914-Bracket- 87.00
1407801014-Bracket- 87.00
2027800089-Cable- 98.00
2027800189-Cable- 98.00
2027800413-Rail,Drip- 53.64
Misc. shop supplies 30.00
Labor- 702.00

About $1500.00 with tax.....

I don't think this would have been a good DIY project.
It took the shop almost 3 weeks to get the car back to me.