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

MODEL 166 up to model year 2016 with CODE 220 (PARKTRONIC) 

	Remove/install
1	Remove bumper (1)	Model 166.8 up to model year 2016 with code 220 (PARKTRONIC)	AR88.20-P-2200GQA
		Model 166.0 up to model year 2016 with code 220 (PARKTRONIC)	AR88.20-P-2200GQ
2	Press lock in direction of arrow and remove corresponding parking system distance sensor (B8/7, B8/8, B8/9, B8/10) from bracket (3)	Make sure that the decoupling ring (4) is installed at the correct position. Otherwise the distance sensor may malfunction. The decoupling ring (4) must be checked for damage and, if necessary, replaced.
3	Release and disconnect electrical connection (2) for corresponding parking system distance sensor (B8/7, B8/8, B8/9, B8/10)
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.