Remove/install frontal acceleration sensor - AR91.60-P-0750EW

MODEL 204, 207, 212, 218 

Fig 1: Identifying Frontal Acceleration Sensor Remove/Install Components - Shown On Model 212

Courtesy of MERCEDES-BENZ USA

Shown on model 212 

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install left frontal acceleration sensor (B48/1)
1	Disconnect ground line for on-board electrical system battery (G1)	MODEL 204	AR54.10-P-0003CW
		MODEL 207, 212, 218	AR54.10-P-0003EW
2.1	Remove bottom section of soundproofing at front	MODEL 204.0 with ENGINE 642, 646, 651 MODEL 204.2 with ENGINE 642, 646, 651 MODEL 204.3 with ENGINE 651 MODEL 207 with ENGINE 642, 651 MODEL 212 with ENGINE 642, 651 MODEL 218 with ENGINE 642, 651
			AR94.30-P-5300EW
2.2	Remove front engine compartment paneling	MODEL 204.0/2 with ENGINE 156, 271, 272, 274, 276 MODEL 204.3 with ENGINE 156, 271, 274, 276 MODEL 204.9 MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278 MODEL 212 with ENGINE 156, 157, 271, 272, 273, 274, 276, 278 MODEL 218 with ENGINE 157, 276, 278
		MODEL 204.0/2 with ENGINE 156, 271, 272, 274, 276 MODEL 204.3 with ENGINE 156, 271, 274, 276 MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278 MODEL 212 with ENGINE 156, 157, 271, 272, 273, 274, 276, 278 MODEL 218 with ENGINE 157, 276, 278	AR61.20-P-1105EW
		MODEL 204.9	AR61.20-P-1105CY
3	Drain the windshield washer system washer fluid reservoir, then detach and place to one side with lines connected	MODEL 204.0/2/3 with ENGINE 156 MODEL 204.9
		MODEL 204.0/2/3 with ENGINE 156	AR82.35-P-6000CW
		MODEL 204.9 Collect escaping washer fluid in a suitable container.	AR82.35-P-6000CY
4	Detach electric air pump with bracket and place to one side	MODEL 204.0/2/3 with ENGINE 156 The electric air pump is located on the lower left behind the front bumper.
5	Disconnect electrical connectors (4) of left horn (H2)	MODEL 204, 212
6	Remove bolt (5) on crossmember (3) and remove left horn (H2)	MODEL 212
7	Detach electrical connection (1) from left frontal acceleration sensor (B48/1)
8	Remove bolt (2) from left frontal acceleration sensor (B48/1)	Bolt, frontal acceleration sensor to bracket	*BA91.60-P-1011-01M
9	Remove left frontal acceleration sensor (B48/1) from crossmember (3)	Pay attention to installation position.
10	Installation of left frontal acceleration sensor (B48/1) in reverse order
	Remove/install right frontal acceleration sensor (B48/2)
11	Disconnect ground line for on-board electrical system battery (G1)	MODEL 204	AR54.10-P-0003CW
		MODEL 207, 212, 218	AR54.10-P-0003EW
12	Remove front section of the right fender liner	MODEL 204 (except 204.077/277/377) MODEL 212
		MODEL 212	AR88.10-P-1300ELX
13	Remove front engine compartment paneling	MODEL 204.0/2/3 with ENGINE 156 MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278 MODEL 218 with ENGINE 157, 276, 278
			AR61.20-P-1105EW
14	Remove bottom section of soundproofing at front	MODEL 207 with ENGINE 642, 651 MODEL 218 with ENGINE 642, 651
			AR94.30-P-5300EW
15	Remove front bumper	MODEL 204.9 with CODE 228 (Auxiliary heater)
			AR88.20-P-2000CY
16	Detach electrical connection (1) from right frontal acceleration sensor (B48/2)
17	Remove bolt (2) from right frontal acceleration sensor (B48/2)	Bolt, frontal acceleration sensor to bracket	*BA91.60-P-1011-01M
18	Remove right frontal acceleration sensor (B48/2) from crossmember (3)	Pay attention to installation position.
19	Installation of right frontal acceleration sensor (B48/2) in reverse order

AIRBAG

Number	Designation		MODEL 204.0/2/9	MODEL 204.3
BA91.60-P-1011-01M	Bolt, frontal acceleration sensor to bracket	Nm	8	8

AIRBAG

Number	Designation		MODEL 207	MODEL 212
BA91.60-P-1011-01M	Bolt, frontal acceleration sensor to bracket	Nm	8	8

AIRBAG

Number	Designation		MODEL 218
BA91.60-P-1011-01M	Bolt, frontal acceleration sensor to bracket	Nm	8