Remove/install front acceleration sensor - AR91.60-P-0750T

MODEL 211.0/2/6 

Shown on passenger-side frontal acceleration sensor, model 211.070 

Fig 1: Identifying Front Acceleration Sensor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/Install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Ignition Off, detach transmitter key from the electronic ignition switch control unit	On vehicles with code (889) Keyless go: Press keyless go start/stop button repeatedly until the ignition is switched off. Remove the transmitter key from the vehicle and store it in a location beyond its transmission range (min. 2 m).
2	Open engine hood	See Operating Instructions
3	Remove air intake hose (2)
4.1	Disconnect electrical connector from coolant circulation pump (M13)	Only when removing passenger-side frontal acceleration sensor (B48/2).
5.1	Loosen coolant circulation pump (M13) with rubber retainer from bracket and tie to one side	Only when removing passenger-side frontal acceleration sensor (B48/2).
6	Remove bolts (1)		*BA91.60-P-1013-01A
7	Take out driver-side (B48/1) or front passenger-side (B48/2) frontal acceleration sensor	Installation:  The arrow on the driver-side frontal acceleration sensor (B48/1) has to point into the direction of travel. The arrow on the passenger-side frontal acceleration sensor (B48/2) has to point opposite to the direction of travel.
8	Disconnect electrical connector (3) on the driver-side frontal acceleration sensor (B48/1) or passenger-side frontal acceleration sensor (B48/2)
9	Install in the reverse order