Remove/Install Retaining Rails For Seal On Tilting/Sliding Roof Cutout - AR77.20-P-1910GW

Model 463 (Except 463.202) Up To Model Year 2019

Shown on left side

Fig 1: Retaining Rails For Seal On Tilting/Sliding Roof Cutout Components Location - Model 463 (Except 463.202) Up To Model Year 2019

G13659910

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove the seal (1) on the sunroof cutout		AR77.20-P-1900GW
2	Remove wind deflector		AR77.20-P-2499GW
3	Unscrew the screws of the front retaining rail (2) and remove the front retaining rail (2)	When installing the seal (1), a distance of 3 mm must be maintained between the front retaining rail (2) and the roof frame.
4	Unscrew the screws of the side rails (3) and remove the side rails (3)	Push the retaining rails sideways (3) to the rear and remove them upwards. When installing the seal (1), a distance of 3 mm must be maintained between the side retaining rails (3) and the roof frame.
5	Remove the rear retaining rail (4)	Model 463 (except 463.202) as of model year 2013 up to model year 2019/facelift 2012 The rear retaining rail (4) can only be removed after removing the sunroof frame and drilling out the rivets: ↓	AR77.20-P-3000GW
6	Install in the reverse order