Door lock actuators, window regulators, and inside door handles are all prone to premature failure.
Car Problem Reports
Mercedes-Benz G55 AMG Door Lock Actuators, Window Regulators, and Inside Door Handles May Fail
Mercedes-Benz G55 AMG Problem
Average Mileage: 48,666 mi (45,000 mi - 55,000 mi)
Visitor, 2005 Mercedes-Benz G55 AMG, 55,000 mi
Right rear regulator failed 12/10 and was replaced at 50k miles, same problem 9/12 at 55K miles
Visitor, 2004 Mercedes-Benz G55 AMG, 46,000 mi
I have replaced the window regulator in back three times.
also my door lock stop working 2 days ago
Visitor, 2004 Mercedes-Benz G55 AMG, 45,000 mi
This hapend to me twice in both rear windows