Remove/Install Pop-Up Sliding Sunroof Motor - AR77.20-S-0022E

Model 447.7/8 

With Code D27 (Electric tilting/sliding glass sunroof) 

With Code ZK9 (Lifting roof hatch) 

Model 447.8 

With Code D27 (Electric tilting/sliding glass sunroof) 

With Code ZK0 (EASY UP pop-up roof, electric) 

Fig 1: Pop-Up Sliding Sunroof Motor Components Location - Model 447.7 With Code D27, ZK9

Courtesy of MERCEDES-BENZ USA

Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
	Remove/install
1	Remove trim for sliding sunroof in pop-up roof.		AR77.20-S-0021E
2	Remove trim (1).	Unscrew bolt (2) to do this.
3	Disconnect electrical connector (3).
4	Remove motor (5).	Insert drive pinion of the motor (5) correctly in the toothing (arrow) on the sliding sunroof. Malfunction or damage can occur otherwise. For this purpose, remove bolts (4). : Check pilot bushings of the screws (4) for damage. In the case of a corresponding finding, ↓ replace damaged pilot bushings.
5	Install in the reverse order.
	Check
	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
6	Check function of the sliding sunroof.