Remove Contacts From Mini Laminated Contact Plug - AR00.19-P-0120-27A

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.

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

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

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

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

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Unfasten secondary release on version with retainer housing

Using a suitable tool (1), pry the clutch housing (3) from the main housing (2) in direction shown by arrow.
During assembly, make sure that the gasket (4) is not damaged.

Otherwise, water entering the connector may lead to contact problems.

Courtesy of MERCEDES-BENZ USA

Unfasten secondary release on version with cap
Using a suitable tool (1), pry up lock tab (2) for cap (3).
Slowly pull the plug housing (4) from the cap (3) in direction shown by arrow.
The retaining clamp (5) is under tension due to the lock tab.
Before installing the cap (3) center the retaining clamp (5) in the groove and hold it down.

Courtesy of MERCEDES-BENZ USA

Unpin contact pins from the connector
Attach blade holder with clamping pliers and MQS blade from above through opening in exposed connector housing (1) at spring shackle of contact pin (2).
Press the spring shackle on the contact pin (2) down and slide the contact pin (2) out of the contact cavity of the connector housing (1). Tug the corresponding cable at the same time to assist the removal procedure.

Courtesy of MERCEDES-BENZ USA