Remove Contacts From Maxi Power Timer Coupling - AR00.19-P-0120-14A

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 MPT Blade (220 589 01 99 51)

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Unfasten secondary release on version with retaining cap (shown on Maxi Power Timer, Junior Power Timer coupling)

Using a suitable tool, pry up the lock tabs on the retaining cap (1).
Pull the retaining cap from the clutch housing (2).

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Unpin female contacts from coupling
Insert blade holder with clamping pliers and MPT blade from front side though openings at contact cavity of coupling (1).
This step compresses the spring shackles (2) on the female contact.
A slight tug on the corresponding cable will remove the female contact (1) from the coupling.

Courtesy of MERCEDES-BENZ USA