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...
Good luck
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Benzmac:
Donnie Drummonds
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