Remove/install trunk lid lock cylinder - AR88.50-P-5061V

MODEL 171.4 

Fig 1: Identifying Trunk Lid Lock Cylinder Components

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove trunk lid handle (1) together with lock cylinder (1)		AR88.50-P-5060V
2	Insert emergency key (3) into lock cylinder (1)
3	Turn lock cylinder (1) with emergency key (3) 45° counterclockwise	The opening (arrow) in the lock housing (4) should coincide with the corresponding removal hole in the lock cylinder housing (5).
4	Insert 3 mm Allen wrench into opening (arrow) and press retaining lug (7) on lock cylinder (1)	So that lock cylinder (1) unlocks.
5	Pull lock cylinder (1) on emergency key (3) out of lock cylinder housing (5)
	Install
6	Insert lock cylinder (1) with inserted emergency key (3) into lock cylinder housing (5) and turn counterclockwise until lock cylinder (1) locks in lock cylinder housing (5).	Carefully turn lock cylinder in lock cylinder housing (5), otherwise retaining lug (7) can be damaged. While locking press lock cylinder (1) against spring located in lock cylinder housing (5)
7	Install trunk lid handle (2) with lock cylinder (1)		AR88.50-P-5060V