Remove/install inclination sensor (towing sensor) - AR80.50-P-0001V

MODEL 171.4 with CODE (551a) Anti-theft alarm system (ATA) 

Fig 1: Identifying Inclination Sensor (Towing Sensor) Components

Courtesy of MERCEDES-BENZ USA

	Removal/installation
	Risk of fire and explosion caused by machining/treating magnesium components	Keep away from ignition sources and open flames.
	Information on machining/treating magnesium components
1	Remove bottom center trunk paneling		AR68.30-P-4810V
2.1	Unscrew bolts (3) from bracket (4)	On vehicles with code (527) COMAND APS (with navigation) or with code (498) Japanese version
		Rechargeable battery-powered drill/screwdriver	*WH58.30-Z-1007-20A
			*BA54.21-P-1005-01A
3	Remove bolts (1)	Observe various bolt lengths (1)
		Rechargeable battery-powered drill/screwdriver	*WH58.30-Z-1007-20A
			*BA54.21-P-1005-01A
4	Swivel equipment carrier (2) toward rear	On vehicles with code (527) COMAND APS (with navigation) or with code (498) Japanese version: Swivel equipment carrier (2) together with navigation processor (N41/1).
5	Disconnect electrical connector (5)
6	Loosen ATA inclination sensor (B33) from equipment carrier (2) with suitable screwdriver and remove
7	Install in the reverse order

CONTROL UNITS

Number	Designation		Model 171
BA54.21-P-1005-01A	Bolt, equipment carrier to body, partition bracket and partition wall for tank	Nm	10

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1007-20A	Cordless drill/driver