Disconnecting cables from control units and fuse and relay boxes - AR54.18-P-1261-01GR

1. Using a screwdriver, press locking device (2) beyond locking lug (3) in order to unlock it.

Unlock carefully to avoid damage.

Shown: Fuse box on left instrument panel support 

Fig 1: Pressing Locking Device Using Screwdriver

Courtesy of MERCEDES-BENZ USA