Remove/install radar sensors control unit - AR54.65-P-0040SX

MODEL 221.0/1 with CODE (229) Park Assist 

Fig 1: Identifying Radar Sensors Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Release side trim in luggage compartment (3) and swivel to one side until the radar sensor control unit (SGR) (N62/1) is accessible	Do not bend the hinge arm passage frame (2) otherwise the plastic will become discolored.
		Vehicles without code (Z07) Top protection	AR68.30-P-4600SX
		Vehicles with code (Z07) Top protection	AR68.30-P-4600SXS
2	Disconnect electrical connector (4) from radar sensors control unit (SGR) (N62/1)
3	Remove radar sensors control unit (SGR) (N62/1) from bracket (5)
4	Install in the reverse order
5.1	Check software release, update if necessary	Only when replacing radar sensors control unit (SGR) (N62/1) or when replacing radar sensors.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A