Remove Contacts From Micro Quadlock System Coupling - AR00.19-P-0120-04B

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

MODEL all Micro Quadlock System Coupling Type 2

Fig 1: Identifying New Passenger Vehicle Wiring Harness Repair Kit (220 589 04 99 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Wiring Harness Repair Kit, Basic (000 589 13 99 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Blade Holder With Clamping Pliers (220 589 01 99 50)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying MQS Blade (220 589 01 99 60)

Courtesy of MERCEDES-BENZ USA

Unfasten secondary release on version with sliding plate (shown on Junior Power Timer (JPT), micro quadlock system coupling)

Using a suitable tool, move both sliding plates (1) in housing in direction of arrow over catch mechanism.

Courtesy of MERCEDES-BENZ USA

Unfasten secondary release on version with retaining cage (shown on MQS, Multi Contact Point coupling)
Using a suitable tool (1), slide retaining cage (2) into pre-locking position in direction shown by arrow.

Courtesy of MERCEDES-BENZ USA

Unpin female contacts from coupling
Insert blade holder with clamping pliers and MQS blade from front side through opening next to contact cavity of coupling.
This step presses the spring shackle on the female contact (1) down into position.
A slight tug on the corresponding cable will remove the female contact (1) from the contact cavity of the coupling.

Courtesy of MERCEDES-BENZ USA