Remove/Install Rear Axle Speed Sensor - AR42.30-P-0714GW

Model 463 (except 463.270/271) 

as of model year 2013 up to model year 2019 

Fig 1: Rear Axle Speed Sensor Components Location - Model 463 As Of Model Year 2016 Up To Model Year 2019

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove rear wheels
		Model 463 (except 463.270/271) as of model year 2013 up to model year 2019	AP40.10-P-4050G
2	Carefully detach left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) from the sleeve (1)	Adjust gap between ABS measuring ring and left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) by moving it. If this is not done, the anti-lock brake system (ABS) or the Electronic Stability Program (ESP®) may malfunction or suffer total failure. Installation:  Insert left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) into sleeve (1). Adjust gap between ABS measuring ring and left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) by releasing the bolt (2).
		Model 463.234/272/273 as of model year 2013 up to model year 2019 Set value between rpm sensor and pulse ring	BE42.30-P-1001-01A
	Check
3	Check ABS measuring ring of wheel hub for damage	If the ABS measuring ring is damaged, ↓ replace the ABS measuring ring.	AR42.30-P-0160GW
4	Remove tie-down eye (4) and carpet cover (5)
5	Open left rear fuse box
6	Disconnect vehicle frame electrical connector, 22-pin (X92/3)	The vehicle frame electrical connector, 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 wiring harness underneath the vehicle
10	Remove holder of electric lines for left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4)
11	Detach left rear axle electric line of rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) from wiring harness	use new friction tape.
12	Remove electric lines of left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) from vehicle frame electrical connector, 22-pin (X92/3)	Release pin 19, 20, 21 and 22.
13	Remove left rear axle rpm sensor (L6/3) or right rear axle rpm sensor (L6/4) with electric lines	Ensure that routing of lines is correct.
14	Install in the reverse order
15	Read out and erase the fault memory using Star Diagnosis
		Model 463 (except 463.270/271) as of model year 2013 up to model year 2019	AD00.00-P-2000-04A