Remove contacts from micro quadlock system connector - AR00.19-P-0120-03B

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2014 Mercedes-Benz C63 AMG, 2013 Mercedes-Benz C63, 2012 Mercedes-Benz C63, 2011 Mercedes-Benz C63, and 2011 Mercedes-Benz C350. However, it is still accessible from the selected car via links, so may be relevant.

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 lock tab

Push suitable tool underneath locking shackles (1).
Pry up the lock tabs (1) in direction shown by arrow.

Fig 5: Prying Lock Tabs
Courtesy of MERCEDES-BENZ USA

Unpin contact pins from the connector
Insert blade holder with clamping pliers and MQS blade from front side though opening above contact cavity of connector housing (3).
This presses down the spring shackle at the contact pin (2).
A slight tug on the corresponding cable will pull the contact pin (2) out of the cavity of the plug.
Foil contacts must be unpinned at the same time. Tug on the foil while pressing down the spring to remove the foil.

Fig 6: Pulling Contact Pin Out Of Cavity Of Plug
Courtesy of MERCEDES-BENZ USA