Remove/install powertrain control unit - AR07.08-P-0002NKE

ENGINE 780 in MODEL 242 

Fig 1: Identifying Powertrain Control Unit Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Powertrain Control Unit Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Connect diagnostic system and read off basic data for powertrain control unit (N127) and temporarily store	When replacing the powertrain control unit (N127).
			AD00.00-P-2000-04A
		Transfer the temporarily stored basic data to the new powertrain control unit (N127). Temporary storage is started over the menu item "Commissioning".
2	Remove paneling (1) in left driver side footwell		AR68.30-P-4010NKB
3	Remove driver kneebag	ENGINE 780 in MODEL 242 with CODE 294 (Kneebag)
			AR91.60-P-0200NKB
4	Remove door sill at front left (2) driver side		AR68.30-P-4100NKB
5	Unclip electrical wiring harness (3)
6	Remove screw/bolt (4) from bracket (5)
7	Remove bracket (5) from guide and lay downwards	Pay attention to correct seat of bracket (5).
8	Release and disconnect electrical connections (6)
9	Remove powertrain control unit (N127) from bracket (5)	To do this lift the bracket (5) in the center area (arrows) and push out of the powertrain control unit (N127).
10	Install in the reverse order