Remove/install front section of Vario roof - AR77.50-P-3100RK

MODEL 231 

Shown with open Vario roof 

Shown with closed Vario roof 

Shown on left side of vehicle 

	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
	Risk of death  caused by parts conducting high voltage	Do not touch parts conducting high voltages. Persons who wear electronic implants (e.g. cardiac pacemakers) must not  carry out any work on high-voltage on-board electrical systems.	AS77.00-Z-0001-01A
	Risk of injury  caused by body parts being trapped or crushed when working on a partially open Vario roof (in stop mode) or in its closing area as a result of the Vario roof suddenly collapsing	Secure Vario roof with a suitable special tool.	AS77.50-Z-0001-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on MAGIC SKY CONTROL		AH77.00-P-0001-01A
	Notes on Vario roof assembly work		AH77.30-P-0002-01R
	Remove/install
1	Remove paneling (2) from Vario roof front section (1)	For this purpose unclip clips (3) with assembly wedge. Mounting wedge	Figure
2	Move Vario roof with Vario roof actuation switch (S84s1) to intermediate position	Position of C-pillar top sections vertical. Leave ignition switched on. The Vario roof remains in this position for approx. 7 min. in the stop mode. After 7 min. the Vario roof either moves under its own weight toward the front or retracts automatically into the trunk. The stop mode can be increased by momentarily actuating the Vario roof actuation switch (S84s1) for another 7 minutes.
3	Secure Vario roof with supports (01, 02	Support	Figure
		Support	Figure
4	Disconnect battery ground line	Model 231 with code 412 (Glass Vario roof)	AR54.10-P-0003RK
5	Disconnect electrical connector (4) from MAGIC SKY CONTROL, control unit (N53)	Model 231 with code 412 (Glass Vario roof)
6	Mark installation position of electrical and hydraulic lines (6) as well as Bowden cables (5) on Vario roof front section (1)
7	Expose electrical and hydraulic lines (6) on Vario roof front section (1)
8	Remove locks (7)		AR77.33-P-3487W
9	Remove locks (8)	Do not remove hydraulic cylinder (9) from locks (8).	AR77.33-P-3400W
10	Unscrew bolts (10) and remove together with threaded bushings (11)	Press bolts (10) toward center of vehicle when unscrewing. Otherwise the side seals on the Vario roof front section (1) can be damaged. Mark installation position of threaded bushings (11). Helper required to hold Vario roof front section (1). Observe marking for installation position of threaded bushing (11). Helper required to hold Vario roof front section (1).
		Thread locking agent, Loctite 243 (10 ml)	*BR00.45-Z-1133-02A
		Bolt, C-pillar to Vario roof front section	*BA77.33-P-1016-01A
		Screwdriver bit	Fig 8
11	Remove supports (01, 02)	Support	Figure
		Support	Figure
12	Unscrew bolts (12), remove Vario roof front section (1) and lay down on suitable base	Secure two bushings each at screw-on points to secure against falling down. Helper required. Thread locking agent, Loctite 243 (10 ml)	*BR00.45-Z-1133-02A
		Bolt, main guide to Vario roof front section	*BA77.33-P-1015-01A
13	Install in the reverse order

Number	Designation		Model 231
BA77.33-P-1015-01A	Bolt, main guide to Vario roof front section	Nm	9

Number	Designation		Model 231
BA77.33-P-1016-01A	Bolt, C-pillar to Vario roof front section	Nm	9

Number	Designation	Order number
BR00.45-Z-1133-02A	Thread locking agent, Loctite 243 (10 ml)	A 613 989 09 71 09