Adjust control cable for C-pillar lock - AR77.33-P-3470V

MODEL 171.4 

Fig 1: Adjusting Control Cable For C-Pillar Lock - Shown On Right

Courtesy of MERCEDES-BENZ USA

Shown on right C-pillar lock 

MODIFICATION NOTES

8.4.04

Check and adjustment method modified

All steps

	Check
1	Lock and unlock front lock (2) with Vario roof actuation switch once when Vario roof is closed.	Stop locking when front lock (2) is completely unlocked and before the Vario roof starts raising.
2	Check position of gate valve (3) when front lock (2) is unlocked.	Eccentric bolt (5) should be located 1 to 3 mm in front of tip of gate valve (4) with front lock (2) unlocked. When checking, the feeler gauge (7) should positioned at right angle to the main arm (8). The control cable (1) is tensioned when the front lock (2) is unlocked.	*BE77.33-P-1007-01A
			Figure
	Remove
3	Remove paneling from Vario roof front section (6)		AR68.30-P-4350V
	Adjust
4	Disconnect clip (9) from counter bearing (10) and adjust control cable (1) by moving in the corresponding direction. Then install clip-type fastener (9)	If the determined dimension between the tip of the gate valve (4) and the eccentric bolt (5) is less than 1 mm, the control cable (1) has too much play and should be moved in the direction of the arrow (B). If the determined dimension between the tip of the gate valve (4) and the eccentric bolt (5) is greater than 3 mm, the control cable (1) has too much play and should be moved in the direction of the arrow (C).	*BE77.33-P-1007-01A
			Figure
	Check
	Risk of injury  caused by body parts being trapped  or crushed  when working on partially open Vario roof (stop mode) or in its closing area as a result of the Vario roof suddenly collapsing	Secure Vario roof with a suitable special tool.	-
5	Remove support for securing intermediate position of Vario roof and lay Vario roof front section (6) down toward front	The Vario roof lowers by itself after removing the support For this reason, hold Vario roof front section (6) to prevent uncontrolled lowering
			Figure
6	Check adjustment of control cables (1), repeat adjustment if necessary	It is not necessary to unlock and lock front lock (2) before checking
	Install
	Risk of injury  caused by body parts being trapped  or crushed  when working on partially open Vario roof (stop mode) or in its closing area as a result of the Vario roof suddenly collapsing	Secure Vario roof with a suitable special tool.	-
7	Move Vario roof into intermediate position and secure		AR77.50-P-3000-01V
			Figure
8	Install paneling on Vario roof front section (6)		AR68.30-P-4350V

TEST VALUES FOR VARIO ROOF AND SOFT TOP MECHANISM

Number	Designation			Model 171.4
BE77.33-P-1007-01A	Distance between tip of gate valve and eccentric bolt		mm	1.0...3.0
		Fig., see		-

Fig 2: Identifying Feeler Gauge (129 589 03 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Support (230 589 04 63 00)

Courtesy of MERCEDES-BENZ USA