51 34 154 Adjusting rear left or right front window

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Special tools required:

Prerequisite:

Vehicle must be standing on its wheels on a level floor
The REAR DOOR IS CORRECTLY fit
Only verify the WINDOW GAP after the power window has been removed

IMPORTANT: When closing, the door window glass must not jam on the trim strip in any area of the window (window glass breakage).

If necessary, incoming check

Prior to any adjustments, perform the following incoming checks:

NOTE: Incoming check is performed while weather strip is installed.

Delete the initialization of the POWER WINDOW REGULATOR
Measure retraction depths with special tool 2 304 553 .
Insert the special tool 51 0 370 (green) into the rotary striker and close the rotary striker
51 0 342Measure preload with special tool
Initialize the POWER WINDOW REGULATORS

NOTE: Perform the adjusting procedures with denormalized POWER WINDOW REGULATORS .

Ideal setting in the longitudinal direction (rear window glass, fixed)

Measure distance (A) from the C-pillar cover (2) or the side window to the fixed rear door window (1).

Distance (A):

A = 4.7 ± 0, 8 mm with C-pillar cover (2)

A = 10 mm without C-pillar cover (2)

Fig 1: Identifying C-Pillar Cover Distance

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Ideal setting of the retraction depth (rear window glass, fixed)

Open rear door
Insert and hold special tool 2 304 553 onto door window glass and hold
Close rear door
Measure retraction depth

Fig 2: Holding Special Tool (2 304 553) Onto Door Window Glass
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Measure retraction depth (C) in area (A).

Retraction depth (C):

A = 2.8 ± 0.7 mm

Distance from measuring point to window guide = 10 mm

NOTE: Reference point for retraction depth is edge of roof frame strip (1).

IMPORTANT: Rear door must open and close without the door window glass touching the roof trim strip (risk of damage)

Fig 3: Measuring Retraction Depth

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Ideal setting in the longitudinal direction (rear window glass, retractable)

Measure distance (A) from the B-pillar cover (1) to the rear door window glass (3).

Distance (A):

A = 8 ± 0.8 mm

B= 50 mm from roof frame strip(2)

Fig 4: Identifying Distance From B-Pillar Cover To Rear Door Window Glass

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Ideal setting of the retraction depth (rear window glass, retractable)

NOTE: In order to adjust the retraction depth, 2 special tool 2 304 553 are required.

Open rear door
Attach special tool 2 304 553 to door window glass
Close rear door
Measure retraction depth

Fig 5: Attaching Special Tool (2 304 553) To Door Window Glass
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Measure retraction depth (C) in areas (A and B).

Retraction depth (C):

A = 2.8 ± 0.7 mm

Distance from measuring point to window edge = 20 mm

B= 2.8 ± 0.7 mm

Distance from measuring point to window guide = 20 mm

NOTE: Reference point for retraction depth is edge of roof frame strip (1).

Fig 6: Measuring Retraction Depth Area

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IMPORTANT: Rear door must open and close without the door window glass touching the roof trim strip (risk of damage)

Setting the longitudinal direction/retraction depth (rear window glass, fixed)

Remove OUTER WINDOW CAVITY COVER STRIP

Slacken multipoint head cap screws (1) with special tool 51 3 240 until door window glass can just be moved.

Fig 7: Removing Slacken Multipoint Head Cap Screws

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Loosen the collar nut (1) through the service opening (2) using the special tool 51 3 300 .

Tightening torque 51 35 3AZ .

Fig 8: Loosening Collar Nut

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Mount special tool 51 3 220 to door window glass (1).

Set the retraction depth and the position in the longitudinal direction of the door window glass (1).

NOTE: When adjusting retraction depth, ensure door window glass (1) is supported by special tool 2 304 553 .

Fig 9: Removing Door Window Glass

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Tighten down multipoint head cap screw (1) with special tool 51 3 240 .

Tightening torque 51 35 1AZ .

Check adjustment, repeat procedure if necessary.

Fig 10: Tightening Down Multipoint Head Cap Screw

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Setting the longitudinal direction/retraction depth (rear window glass, retractable)

Remove OUTER WINDOW CAVITY COVER STRIP

Slacken multipoint head cap screw (1) with special tool 51 3 240 until door window glass can be moved.

Fig 11: Slacken Multipoint Head Cap Screw

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Attach special tool 51 3 010 to door window glass.

Measure and adjust the longitudinal direction of the door window glass to the B-pillar cover with the special tool51 0 342.

Adjust the retraction depth of the door window glass in the B-pillar area and the window guide.

NOTE: When adjusting retraction depth, ensure door window glass is supported by special tool 2 304 553 .

Fig 12: Attaching Special Tool (51 3 010) To Door Window Glass

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Tighten down multipoint head cap screw (1) with special tool 51 3 240 .

Tightening torque 51 35 1AZ .

Check adjustment, repeat procedure if necessary.

Fig 13: Tightening Down Multipoint Head Cap Screw

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Ideal setting, preload

NOTE: Pre-tension can be checked with or without weather strip. Pre-tension is 1.0 mm less with weather strip.

Insert the special tool 51 0 370 in the rotary striker of the door lock and close the rotary striker manually (activation of the short stroke).

Close the door carefully up to the point where the special tool 51 0 370 magnetically adheres to the striker (= defined door opening angle for measurement).

No force must be exerted on the door or door window glass during measurement.

Fig 14: Inserting Special Tool (51 0 370) In Rotary Striker Of Door Lock

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Slide the special tool 51 0 342 at a distance (B) to the door window glass side edge into the gasket (up to the sheet metal flange limit position) and measure dimension (A) to the outer edge of the door window glass (2).

Dimension (A) with weather strip:

A = 65 ±1 mm

Dimension (A) without weather strip:

A = 66 ±1 mm

B = 10 mm

Fig 15: Identifying Outer Edge Dimension Of Door Window Glass

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Adjust preload

Slacken nut (3) with reversible ratchet (2) of special tool 51 3 300 (consisting of 51 3 301 , 51 3 303 and 51 3 304 ).

Turn knob (1) on special tool 51 3 300 to turn bolt (4) and thereby alter the pre-tension.

Tighten nut (3).

Tightening torque 51 35 4AZ .

Check adjustment, repeat procedure if necessary.

Fig 16: Turning Knob

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Soft-Close-Automatic design:

To ensure the adjustment clearance in area (A), the Bowden cable (1) of the Automatic Soft Close system must lie in the recess in area (B) (risk of damage).

Fig 17: Identifying Bowden Cable And Recess Area

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Bring rear door window glass into uppermost position.

Slacken nut (3) with reversible ratchet (2) of special tool 51 3 300 (consisting of 51 3 301 , 51 3 303 and 51 3 304 ).

In the relaxed position of the adjustment device, use the knob (1) of the special tool 51 3 300 to block the pin (4).

Tighten nut (3).

Tightening torque 51 35 4AZ .

Check adjustment, repeat procedure if necessary.

Fig 18: Removing Reversible Ratchet

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NOTE: After completing adjustment work, it is essential to INITIALIZE the power window unit.

Checking run-in of door window glass: