Remove/install park pawl control unit - AR54.21-P-0028NKE

MODEL 242 with ENGINE 780 

Fig 1: Identifying Park Pawl Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove powertrain control unit gateway (N93/8)		AR54.21-P-0026NKE
2	Separate electrical connections (1)
3	Remove nuts (2, 3)
4	Take out bracket (4)
5	Pry out park pawl control unit (N158)
6	Install in the reverse order
7	Connect diagnostic system and perform initial startup for park pawl control unit (N158) When replacing park pawl control unit (N158).
			AD00.00-P-2000-04A
		Initial startup for the park pawl control unit (N158) is performed via the powertrain control unit (N127) in the Adaptations → Teach-in processes menu item.