MY 2 cents.
I have a 20 year Mercedes Tech that works for me. He has done a litteral thousand 107 tops.
The first and second 129 top kicked his a--.
It is a hard, involved job that pays a professional tech 22 hours.
Be sure that you are willing to invest alot.
There is special glue and sealing strips that you MUST purchase from the dealer...
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM