61 13... Circular connector, 7-pin, 8-pin, system D2.5
Special tools required:
Carefully pull off rubber grommet (1).
Carefully press back retaining tabs (2) of internal connector (3).
Slide internal connector (3) in direction of arrow until retaining tabs (2) lock into locking groove (4).
Use special tool 61 0 303 (61 1 132) to press back retaining hook (5) of corresponding contact and pull out cable with contact.