Adjusting left or right front side window

Special tools required:

2 356 862
51 0 341
51 0 342
2 351 398
51 3 240

Configuring the correct setting will fulfill the following properties:

Seal against water ingress
No wind noise
No rattling
No unintentional reversing of side window during closing operation (anti-trap safety function)

Prerequisites for correct adjustment:

Vehicle is supported on wheels at ground level
Rear window correctly adjusted
Front door correctly adjusted to fit
Recharge 12V battery

(Full operability of the power windows during the adjustment procedure is only assured with an external power supply)

Attention!

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

When performing measurement and adjustment work, do not slam the door (window pane may shatter).

Observe the checking and adjustment sequence!

Door window (stationary)
1. Vertical/longitudinal direction
Door window glass (movable):
1. Preload
2. Retraction depth/longitudinal direction

Door window glass (stationary):

Ideal setting in vertical and longitudinal direction:

1.1 Checking setting in vertical and longitudinal direction:

Open door.

Connect special tool 2 356 862 at points (A and B) on the door window glass.

Close door.

Measure height adjustment of the door window glass in the area (A and B) using special tool 2 356 862 (use 5 mm holder).

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Area	Dimension
A	2 ±1 mm	Central measuring point
B	2 ±1 mm	Central measuring point

NOTE: Check play of special tool 2 356 862 to edge of door window pane before each measurement.

Connect special tool 2 356 862 with 5 mm holder (1) in locked state (A) on door window glass.

Close door and undo lock (2).

Read retraction depth on the scale.

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1.2 Adjusting door window glass (fixed) in vertical and longitudinal direction:

Detach cover (1).

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Slacken nut (1).

Adjust ideal dimension by moving the door window glass.

Tighten nut (1).

Tightening torque 51 33 4AZ .

Check adjustment.

Repeat process if necessary.

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Door window glass (movable):

Preload:

1.1 Preparations:

Open door; shift door window pane into uppermost position, if necessary.

Insert special tool 51 0 341 in rotary striker of door lock and manually lock rotary striker (short lift activation).

Close the door carefully up to the point where the special tool51 0 341 magnetically adheres to the striker (defined door opening angle for measurement).

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1.2 Preload ideal setting

NOTE: No force must be exerted on the door or door window pane during measurement.

Insert special tool 51 0 342 in gasket (1) up to stop.

Determine dimension to the outer edge of the door window glass (2).

Dimension = 43 ±1 mm

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1.3 Adjust preload

Open door and remove sealing caps on door window frame.

Feed special tool 2 351 398 into the rear opening (1) of the door and apply to nut (2) and guide (3).

Slacken nut (2) with knob of the special tool 2 351 398.

Turn the lever of the special tool 2 351 398 to adjust the preload and tighten nut (2).

Tightening torque 51 33 2AZ .

Repeat the procedure at the front opening.

Check setting, repeat process if necessary.

Remove special tool 51 0 341 from rotary striker of door lock.

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Retraction depth/longitudinal direction

2.1 Checking ideal setting of retraction depth/longitudinal direction

Open door.

Connect special tool 2 356 862 at measuring points (A and B) on door window glass.

Close door.

Measure distance (x) in area (C) of the door window glass to the side window at rear using special tool 51 0 342.

Measure height adjustment of the door window glass in the area (A and B) using special tool 2 356 862 (use 5 mm holder)

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Area	Dimension	Position of special tool 2 356 862
A	0.8 mm	Approx. 150 mm above exterior vehicle mirror
B	0.8 mm	Approx. 100 mm in front of outer edge of door window glass
C	7 ±1 mm	Door window glass front to rear door window glass trim Parallelism deviation maximum 1.5 mm
C	13, 5 mm	Door window glass front to door window glass rear (without trim) Parallelism deviation maximum 1.5 mm

IMPORTANT: Door must open and close without the door window glass taping the roof trim strip (risk of damage).

NOTE: Check play of special tool 2 356 862 to edge of door window pane before each measurement.

Connect special tool 2 356 862 with 5 mm holder (1) in locked state (A) on door window glass.

Close door and undo lock (2).

Read retraction depth on the scale.

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2.2. Adjust retraction depth/longitudinal direction

Remove window channel strip on outside of front door.

NOTE: Avoid damaging door window glass and window cavity through tool use.
When adjusting, ensure edge of door window glass continues to be supported by special tool 2 356 862 without any play.

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Attach siphon to center of side window.

Loosen multipoint head cap screw (1)51 3 240 with special tool until side window with siphon can just be moveed with little effort.

NOTE: Always slacken both multipoint head cap screws to avoid tension in the power window system.

Adjust longitudinal direction and retraction depth of door window glass.

Tighten multipoint head cap screw (1) using special tool 51 3 240 and torque wrench.

Tightening torque 51 33 3AZ .

IMPORTANT: Do not release or tighten multipoint head cap screw over inside of door (removed door trim panel; threaded bolt may snap).

Check setting, repeat process if necessary.

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After completion of adjustment work, initialize electric power windows.