51 37 154 Adjusting rear left or right side window

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Special tools required:

Prerequisite:

Vehicle must be standing on its wheels on a level floor
DOOR WINDOW GLASS correctly adjusted

Necessary preliminary tasks:

Remove rear window cavity seal. See REPLACING WINDOW CAVITY COVER STRIP FOR DOOR WINDOW and REPLACING OUTER WINDOW CAVITY COVER STRIP FOR REAR SIDE WINDOW .
Open retractable hardtop
Move side window upwards (close)

Ideal setting, transverse direction:

Side window glass (1) must be situated at distance (A) to body (2).

Dimension A = 9±1 mm

Measuring point in B-pillar area and at the end of the side window (1).

Adjusting transverse direction:

Remove SEAT BELT COVER .

Slacken screws (3) and adjust distance (A).

Tightening torque 51 37 4AZ .

Fig 1: Adjusting Transverse Direction Distance

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Ideal adjustment, longitudinal direction:

Side window glass (1) must be positioned at distance (A) to door window glass (2).

Dimension (A) = 12 ± 1 mm

Parallelism deviation ± 1 mm.

Side window glass (1) may have a max. underprotrusion (B) to door window glass (2).

Dimension (B) = 0 ±1 mm

Fig 2: Identifying Side Window Glass Distance To Door Window Glass

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Adjusting longitudinal direction:

Slacken screws with special tool 1 51 3 310 .

Adjust longitudinal direction by moving side window (2).

Tightening torque 51 37 2AZ .

Fig 3: Removing Screws Using Special Tool (51 3 310)

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Checking retraction depth:

Close retractable hardtop
Open side window
Attach special tool 51 3 080 to side window glass
Close side window completely
Measure retraction depth

NOTE: 2 51 3 080 items of special tool are required for adjustment of retraction depths.

Fig 4: Attaching Special Tool (51 3 080) To Door Window Glass

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Measure retraction depth (A) in areas (1 to 2).

Measurement (A):

= 8 ± 3 mm
= 8 ± 3 mm

If necessary, check or readjust settings on:

DOOR WINDOW GLASS, REAR
Side window

check or readjust.

Fig 5: Identifying Retraction Depth

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Ideal setting, preload:

NOTE: Pre-tension can be checked with or without weather strip. Pretension is 1.0 mm greater with weather strip. Magnet in special tool 51 0 341 creates the correct door window glass pretension on the seal system for measurement. No force must be exerted on the door or door window glass during measurement.

Fig 6: Inserting Special Tool (51 0 341) In Rotary Striker Of Door Lock

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Insert special tool 51 0 341 in rotary striker of door lock and close rotary striker manually. Carefully close door.

Measure distance (A) between side window glass (1) and inner edge of door window glass (2).

NOTE: Measuring point 10 mm below upper edge of window glass.

With weather strip fitted (front and rear): A = 35 +1 mm

Without weather strip fitted (rear): A = 35 +1 mm

Fig 7: Measuring Distance Between Side Window Glass And Inner Edge Of Door Window Glass

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Adjust preload:

Remove rear weather strip. See REPLACING WINDOW CAVITY COVER STRIP FOR DOOR WINDOW and REPLACING OUTER WINDOW CAVITY COVER STRIP FOR REAR SIDE WINDOW .

Turn adjusting screw (1) 51 2 220 with special tool until correct pretension is reached.

NOTE: With hardtop closed, side window glass (2) must run correctly into hardtop seals (check only when weather strip fitted).

Fig 8: Turning Adjusting Screw Using Special Tool (51 2 220)

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Checking adjustment:

Open door window and side window.

Close both windows simultaneously and check run-in of side window glass to door window glass.

Close retractable hardtop.

Hardtop seals must not be damaged.

Check run-in of both window glasses in hardtop seals.