Adjustment of the crank window in the driver's door - ra72001400195x(0195)

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Model 140 - A. Sedan, B. Coupe

Preliminary work:

Door liner removed (Removal and installation of the lining on the driver's door )

A. Sedans

Fig 1: Identifying Crank Window In Driver's Door Adjustment

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Crank window (1)	close.
Check contact pressure	of window in window guide channel on window frame, outside top in area (A), check clearance with 0.30 mm feeler gauge.
Correct	by adjusting upper stop on window lift mechanism (arrow).
Crank window position (1)	check in relation to vertical window guide channel in area (B), clearance 0.30 mm.
Position	can be corrected by loosening screws (2) 10 mm on window lift bar and moving window toward front or rear.
Check parallel position of window	in relation to rear, vertical window guide channel.
Adjust	by moving crank window back and forth and loosening screws (4 and 6) on window lift bar.
Slider on rear window guide rail	lubricate, use MB-Lubricant Paste part no. 000 989 31 51.
Door liner	install.

Special tools

Fig 2: Identifying Special Tool (617 589 00 40 00 05)

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Fig 3: Identifying Special Tool (617 589 02 23 00 05)

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Adjustment

Close crank window.
Check contact pressure of crank window in window guide channel at window frame at top from outside.

Fig 4: Locating Crank Window Top
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Adjust upper stop on window lift mechanism so that clearance between window guide channel and outer edge of glass is uniform. Use special tool (feeler gauge 0.3 mm).

Fig 5: Locating Upper Stop On Window Lift Mechanism
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Fig 6: Locating Top Window Lift Stop
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Check position of window in relation to vertical window guide channel.

Fig 7: Locating Position Of Window In Relation To Vertical Window Guide Channel
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Check clearance over entire length using 0.3 mm feeler gauge.

Fig 8: Checking Clearance Over Entire Length Using Feeler Gauge
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Adjust by loosening screw (arrow) on window lift bar and moving window toward front or rear.

Fig 9: Locating Screw On Window Lift Bar
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Fig 10: Checking Vertical Clearance
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Check parallel position of window at rear vertical window guide channel.

Fig 11: Checking Parallel Position Of Window At Rear Vertical Window Guide Channel
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Adjust by moving window back and forth after loosening front and rear screws on window lift bar (arrows).

Fig 12: Locating Front And Rear Screws On Window Lift Bar
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Coat slider on rear window guide rail with MB-Lubricant Paste part number 000 989 31 51.
Check automatic closing operation (FUNCTION OF CONVENIENCE CONTROL (POWER WINDOWS AND TILTING/SLIDING ROOF) ).
Install door liner.

Fig 13: Locating Slider On Rear Window Guide Rail
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B. Coupes 1st version up to approx. 12/93

Door liner removed (Removal and installation of the lining on the driver's door , B) Vapor seal on inner door panel removed Gap and transitions at driver's door checked and adjusted

Inner sealing rail removed

Exterior panel on front door removed

Fig 14: Identifying Wedge

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Fig 15: Locating Screws

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Fig 16: Locating Screw On Motor

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Fig 17: Locating Glass

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Fig 18: Locating Bolts

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Fig 19: Locating Screw

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Rear side window	open completely.
Crank window in front door	open.
Rear closing wedge (6)	loosen (3 screws).
Both top stop brackets (arrows)	loosen.
Height stop on window lift mechanism	loosen (inner Torx T30).
Crank window	close until front of window moves into window guide rail on mirror triangle.
Crank window	adjust so it is centered and parallel to door shaft (distance to inner door panel approx. 10 mm).
Correct	with adjustment screws on bottom bearing brackets for the two guide rails.
Additional adjustment possibility	on top mounting screw for rear guide rail (oblong hole in inner door panel).

Fig 20: Locating Screw

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Fig 21: Locating Window Glass Top

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Fig 22: Locating Cable Clip Screw

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Fig 23: Locating Screw

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Fig 24: Locating Top Stop Bracket Screw

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Fig 25: Locating Screw On Rear Window Lift Arm

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Inclination and longitudinal direction of window	adjust by loosening screw on rear window lift arm (inner Torx attachment T40).
Front door and crank window	close.
Crank window	press from outside forward and up into sealing frame, then tighten screws on rear window lift arm through top assembly hole (arrow) without opening front door .

NOTE: The outer top edge of the glass should contact the outer rubber lip on the sealing frame over the entire length.

Height stop on window lift	adjust and tighten (inner Torx T30).
Both top stop brackets (arrows)	move against guide jaws and tighten.

Fig 26: Locating Top Stop Brackets

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Fig 27: Locating Screws

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Fig 28: Locating Wedge

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Fig 29: Locating Motor Screws

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Fig 30: Identifying Gap

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Fig 31: Locating Screw

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Fig 32: Locating Rubber Lip

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Fig 33: [Locating Adjustment Screw On Bottom Bearing Brackets]

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Lateral tension of window against sealing frame	adjust.
Correct	with adjustment screw on bottom bearing brackets for front and rear guide rails.

NOTE: If the adjustment on the bearing brackets for the guide rails is not sufficient to achieve the required lateral tension, it is also possible to adjust the guide jaws.

Moving the guide jaws upward increases the tension, moving them down reduces the tension. When the tension is adjusted correctly the inner top edge of the glass contacts the sealing frame uniformly over the entire length when the front door is completely closed.

Crank window	close.
Closing wedge (6)	adjust so that rear edge of glass touches closing wedge and makes contact at side.
Inner sealing rail (2)	install.
Depth stop on window lift mechanism	adjust (inner Torx T30). The outer edge of the glass should extend approx. 1 - 2 mm above the rubber lip of the outer sealing rail in the rear area.
Then adjust	bottom stop on window lift rail by loosening screw (arrow, inner Torx T30), moving stop bracket up to the inner door panel leaving a gap of approx. 1 mm and tightening.
Front door and crank window	close.
Rear side window	close.
Fit and seal on rear window web	check, adjust.
note
The rear window web	can be adjusted in the longitudinal direction by pulling off the inner cover toward the rear, loosening the screws (Allen screws, 2.5 mm, 3 each) and adjusting so that the rear window web is parallel to the crank window.
After adjusting	grease front and rear guide rails as well as slider in window lift rail with MB lubricating paste, part no. 000 989 31 51.
Door liner	install.

C. Coupe 2nd version as of approx. 01/94

Preliminary work:

Check and adjust gap and transitions at front door

Trim on outside of front door removed

NOTE: Front door, window lift, crank window retaining rail and guide rail, rear modified as of 01/94. It is no longer necessary to remove the door liner. Crank window can be adjusted completely from outside except for depth stop on window lift.

Fig 34: Identifying Adjustment Screws And Upper Mounting Screw

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Adjusting

Loosen height stop (4) on window lift (T30 Torx socket bolt).
Completely open rear side window.
Open crank window in front door.

Fig 35: Loosening Height Stop On Window Lift (T30 Torx Socket Bolt)
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Loosen rear closing wedge (6).

Fig 36: Identifying Rear Closing Wedge
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Center crank window and adjust parallel to door shaft, correct with adjustment screw (2) on bottom bearing bracket of both guide rails. Additional adjustment possibility on upper mounting screw (7, T30 Torx socket bolt) of rear guide rail (oblong hole).

Fig 37: Identifying Adjustment Screw And Upper Mounting Screw
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Close crank window and check fit, the outer edge of the glass should touch the outer rubber lip over the entire length.

Fig 38: Fitting Outer Edge Of Glass
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Correct inclination and height of crank window: Loosen Torx screws (1), move crank window to correct position and retighten Torx screws. Adjust crank window longitudinally with Torx screw (3).
NOTE: Torx screws (1) and (3) are accessible only with the crank window lowered.

Shown with door panelling cut away

Fig 39: Identifying Torx Screws
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Adjust initial tension of crank window toward inside with screw (2) using special tool 140 589 04 09 00.
Adjust height stop (4) on window lift with crank window closed and adjusted by positioning stop against window lift segment and tightening screw (T30 Torx screw).

Fig 40: Adjusting Initial Tension Of Crank Window Toward Inside With Screw
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Close crank window.
Adjust closing wedge (6) so that rear edge of glass touches closing wedge and makes contact at side.

Fig 41: Adjusting Closing Wedge
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Close front door, check fit and seal between crank window and rear window stay. If necessary adjust rear window stay.

Fig 42: Fitting Seal Between Crank Window And Rear Window Stay
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The rear window stay can be adjusted in the longitudinal direction by pulling off the inner trim toward the rear, loosening screws (arrows), adjusting window stay so that it is parallel and retightening screws.
Reinstall outer trim.

Fig 43: Locating Screws
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Special tools

Fig 44: Identifying Special Tool (140 589 04 09 00)

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