Remove/install front door lock cylinder - AR72.10-P-4015V

MODEL 171.4 

Fig 1: Identifying Front Door Lock Cylinder Components

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove outer door handle guide from driver's door		AR72.10-P-2410V
2	Unclip cover (2) from catch hook (3) with suitable screwdriver and remove from lock cylinder (1)
3	Install in the reverse order