Remove/install rear axle speed sensor - AR42.30-P-0714GW

MODEL 463 as of model year 2013/facelift 2012 

Fig 1: Rear Axle Speed Sensor Remove/Install Components (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 2: Rear Axle Speed Sensor Remove/Install Components (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Rear Axle Speed Sensor Remove/Install Components (3 Of 3)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove rear wheels		AP40.10-P-4050G
2	Carefully remove left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) from bushing (1)	Move to adjust distance between ABS measuring ring and left rear-axle rpm sensor (L6/3) or right-rear-axle rpm sensor (L6/4). Failing to do so may result in malfunctions or total failure in or to the antilock brake system (ABS) or the Electronic Stability Program (ESP).
		Insert left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) into bushing (1). Adjust distance between ABS measuring ring and left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) by slackening off the bolt (2).	*BE42.30-P-1001-01A
	Checking
3	Check ABS measuring ring of wheel hub for damage	Replace damaged ABS measuring ring, ↓
		Remove/install ABS measuring ring.	AR42.30-P-0160GW
4	Remove anchoring lug (4) and carpet covering (5)
5	Open left rear fuse box
6	Detach electrical connection from vehicle frame, 22-pin (X92/3)	The electrical connection for the vehicle frame, 22-pin (X92/3) is located in the left rear fuse box.
7	Remove wheel well cover
8	Route wiring harness (3) through floor opening (6)
9	Detach harness attachments underneath the vehicle
10	Remove bracket for electrical lines of left rear- axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4)
11	Detach electrical lines of left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) from harness	Use new friction tape.
12	Remove electrical lines of left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) from electrical connection for vehicle frame, 22-pin (X92/3)	Remove pins 19, 20, 21 and 22.
13	Remove left rear-axle rpm sensor (L6/3) or right rear-axle rpm sensor (L6/4) with electrical lines	Pay attention to correct line routing.
14	Install in the reverse order
15	Read out and erase the fault memory using Star Diagnosis		AD00.00-P-2000-04A

TEST VALUE FOR REAR AXLE RPM SENSOR

Number	Designation		Model 463.202/222/236/237/243/244/245/246/247/248/249/250/254/270/271/272/273/303/306/309/322/323/332/333/336/340/341/346
BE42.30-P-1001-01A	Set value between rpm sensor and measuring ring	mm	0.7 (±0.05)