Remove/Install Parktronic System (PTS) Sensors In Rear Bumper - AR54.65-P-0002GQC

MODEL 166 as of model year 2016 with CODE 235 (Active Parking Assist with PARKTRONIC) 

MODEL 292 with CODE 235 (Active Parking Assist with PARKTRONIC) 

Shown on MODEL 292.374 

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove rear bumper (1)	Model 166.8 as of model year 2016 with code 235 (Active Parking Assist with PARKTRONIC)	AR88.20-P-2200GQA
		Model 166.0 as of model year 2016 with code 235 (Active Parking Assist with PARKTRONIC) Model 292 with code 235 (Active Parking Assist with PARKTRONIC)	AR88.20-P-2200GQ
2	Unlock locks (arrows) and remove corresponding parking system distance sensor (2)	Make sure that the decoupling ring (4) is installed at the correct position. The parking system distance sensor (2) can otherwise malfunction. The decoupling ring (4) must be checked for damage and, if necessary, replaced.
3	Release and disconnect electrical connection (3) from corresponding parking system distance sensor (2)
4	Install in the reverse order
	Check
5	Switch on ignition and PARKTRONIC, engage reverse gear and release parking brake	The PARKTRONIC automatically performs a self-test and the operational readiness is signaled via the warning indicator.