Remove/install seat occupancy recognition sensor - AR91.60-P-0720NKB

MODEL 117, 156, 176, 242, 246 with CODE U18 (Automatic child seat recognition (ACSR)) without CODE U10 (Automatic seat occupancy recognition and child seat recognition) 

Shown with CODE 873 (Seat heater for left and right front seat) 

Fig 1: Identifying Seat Occupancy Recognition Sensor Remove/Install Components - Shown With Code 873

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove cover from front passenger seat cushion		AR91.18-P-1800NKB
		With CODE 873 (Seat heater for left and right front seat) Replace padding (1) and front seat cushion heater pad (6).
2	Remove front passenger seat occupied recognition and ACSR [AKSE] (5) from padding (1)	MODEL 117, 156, 176, 242, 246 with CODE U18 (Automatic child seat recognition (ACSR)) without CODE 873 (Seat heating for driver and front passenger) without CODE U10 (Automatic seat occupancy recognition and child seat recognition) Remove felt strips (2) and guide controller unit (4) with electrical line (3) through padding (1).
3	Detach front seat cushion heater pad (6) from padding (1) and remove	MODEL 117, 156, 176, 242, 246 with CODE 873 (Seat heating for driver and front passenger) with CODE U18 (Automatic child seat recognition (ACSR)) without CODE U10 (Automatic seat occupancy recognition and child seat recognition) When reusing front passenger seat occupied recognition and ACSR [AKSE] (5).
4	Remove front passenger seat occupied recognition and ACSR [AKSE] (5) from padding (1)	MODEL 117, 156, 176, 242, 246 with CODE 873 (Seat heating for driver and front passenger) with CODE U18 (Automatic child seat recognition (ACSR)) without CODE U10 (Automatic seat occupancy recognition and child seat recognition) When reusing front passenger seat occupied recognition and ACSR [AKSE] (5). Remove felt strips (2) and guide controller unit (4) with electrical line (3) through padding (1).
	Install
5	Install front passenger seat occupied recognition and ACSR [AKSE] (5) in padding (1)	With CODE 873 (Seat heater for driver and front passenger) Replace padding (1). Guide controller unit (4) with electrical line (3) through padding (1) and attach felt strips (2).
6	Attach front seat cushion heater pad (6) at padding (1)	MODEL 117, 156, 176, 242, 246 with CODE 873 (Seat heating for driver and front passenger) with CODE U18 (Automatic child seat recognition (ACSR)) without CODE U10 (Automatic seat occupancy recognition and child seat recognition) The front seat cushion heater pad (6) must be replaced.
7	Install cover at front passenger seat cushion		AR91.18-P-1800NKB