GF77.37-P-3091R Pressurization of Vario Roof Hydraulic Cylinder on Both Sides, Function

GF77.37-P-3091R Pressurization Of Vario Roof Hydraulic Cylinder On Both Sides, Function
- up to model year 08

When the hydraulic cylinder is pressurized on both sides, the currently effective force on the lock is reduced so that the opening operation can be initiated by the motion of the hydraulic cylinder in a manner easy on the material.