MERCEDES-BENZ ML350 1997 Complete Repair Manual

Shown on 6-pin MQS coupling
Fig. 461: Prying Up Contact Retainer
- Shown On 6-Pin MQS Coupling
Secondary unlocking for version with lock tab (MQS)
1. Push suitable tool undern eath locking catches (1).
2. Pry up the lock tabs (1) in direction shown by arrow.
Shown on 8-pin MQS coupling

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 306 © 2006 Mitchell Repair Information Company, LLC.

Fig. 462: Prying Up Lock Tabs - Shown On 8-Pin MQS Coupling
Secondary unlocking for version with retaining housing (MQS)
1. Using a suitable tool, pry up the lock tab on the retaining cap (5).
2. Pull coupling housing (6) from retaining cap (5) in direction shown by arrow.
Shown on 12-pin MQS coupling

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 307 © 2006 Mitchell Repair Information Company, LLC.

Fig. 463: Pulling Coupling Housing From Retaining Cap - Shown On 12-Pin MQS Coupling
Unpin female contacts from coupling (MQS)
1. Mount blade holder with clampi ng pliers and MQS blade from above through the opening in the
exposed connector housing (1) at the spring of the female contact (2).
2. Press the spring shackle of the fe male contact (2) downward and push th e female contact (2) out of the
contact cavity of the connector housing (1). Tug the corresponding cable at the same time to assist the
unpinning procedure.
Illustrated on an 18-pin MQS coupling with a connector housing (circular conductor)

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
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Saturday, October 02, 2010 3:47:49 PMPage 308 © 2006 Mitchell Repair Information Company, LLC.

Fig. 464: Unpinning Female Contacts From Coupling (18-Pin MQS Coupling)
Illustrated on a 2-pin MQS coupling (circular conductor)

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 309 © 2006 Mitchell Repair Information Company, LLC.

Fig. 465: Unpinning Female Contacts From Coupling (2-pin MQS Coupling)
Unpin female contacts from couplin g with 2nd contact retainer (MQS)
1. Mount blade holder with clamping pliers and MQS blade from above through the opening (3) of the
connector housing (1), press down spri ng shackle of female contact (2), and pull female contact (2) out of
contact cavity of connector housing (1) up to the stop.
2. Mount blade holder with clamping pliers and MQS blade from above through the opening (4), press
down spring shackle of female contact (2), and pull female contact (2) out of contact cavity of connector
housing (1).
Tug the corresponding cable at the same time to help unpinning procedure.
REMOVE CONTACTS FROM MICRO QUADLOCK SYSTEM COUPLING - AR00.19-P-0120-04B

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 310 © 2006 Mitchell Repair Information Company, LLC.

Fig. 466: Identifying New Passe nger Vehicle Wiring Harness Repair Kit (220 589 04 99 00)
Fig. 467: Identifying Wiring Harness Repair Kit, Basic (000 589 13 99 00)

Fig. 468: Identifying Wiring Ha rness Repair Kit (220 589 02 99 00)

Fig. 469: Identifying Blad e Holder With Clamping Pliers (220 589 01 99 50)

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 311 © 2006 Mitchell Repair Information Company, LLC.

Fig. 470: Identifying MQS Blade (220 589 01 99 60)
Secondary release for versio n with sliding plate (MQS)
1. Using a suitable tool, move both sliding plates (1) in housing in direction of arrow over catch mechanism.
Shown on 38-pin JPT, MQS coupling
Fig. 471: Moving Both Sliding Plates In Housing
- Shown On 38-Pin JPT, MQS Coupling
Secondary release for version with retaining cage (MQS)
1. Using a suitable tool (1), slide retaining cage (2) into pre-locking position in direction shown by arrow.
Shown on a 47-pin MQS or MCP coupling

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 312 © 2006 Mitchell Repair Information Company, LLC.

Fig. 472: Sliding Retaining Cage - Shown On A 47-Pin MQS Or MCP Coupling
Unpin female contacts from coupling (MQS)
1. Insert blade holder with clampi ng pliers and MQS blade from front side through the opening near
contact cavity of coupling.
This step presses the spring shackle on the female contact (1) down into position.
2. A sli
ght tug on the corresponding line will remove the fema le contact (1) from the coupling.

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:49 PMPage 313 © 2006 Mitchell Repair Information Company, LLC.

Fig. 473: Female Contacts From Coupling (MQS)
REMOVE CONTACTS FROM E 95 COUPLING - AR00.19-P-0120-05A
Fig. 474: Identifying New Passenger Vehicle Wiring Harness Repair Kit (220 589 04 99 00)
Fig. 475: Identifying Wiring Harnes s Repair Kit Basic (000 589 13 99 00)

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:50 PMPage 314 © 2006 Mitchell Repair Information Company, LLC.

Fig. 476: Identifying Wiring Ha rness Repair Kit (220 589 02 99 00)
Fig. 477: Identifying Blad e Holder With Clamping Pliers (220 589 01 99 50)

Fig. 478: Identifying E 95 Blade (220 589 01 9 55)

Secondary unlocking for version with tab (E 95)
1. Using a suitable tool, push tab in dire ction of arrow out of locked position.
Shown on 27-pin E 95 coupling

2004 Mercedes-Benz ML350
1998-2005 GENINFO Overall vehicle - 163 Chassis
me
Saturday, October 02, 2010 3:47:50 PMPage 315 © 2006 Mitchell Repair Information Company, LLC.