611 589 01 63 00 Female connector - WS01.00-P-0056B
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
FG 01/05/Set B
ENGINE 611/980, 612/965/966, 613, 628/962, 642, 646, 647, 648, 668
Use:
Screw-in piece M107X1 mm with connection nipple for quick-coupling and integrated check valve length 173 mm for pencil-type glow plug hole.
For compression recorders
001 589 76 21 00 and 001 589 78 21 00, and for building up pressure in combustion chamber after removing integrated check valve.