Remove/install front door control unit - AR72.29-P-1000SX

MODEL 221.0 

MODEL 221.1 except CODE (Z07) Top protection 

Shown on model 221.0 

Fig 1: Identifying Front Door Control Unit Remove/Install Components - Shown On Model 221.0

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1.1	Buffer basic data of left front door control unit (N69/1) or right front door control unit (N69/2) in STAR DIAGNOSIS	When replacing left front door control unit (N69/1) or right front door control unit (N69/2). Transfer buffered basic data to new left front door control unit (N69/1) or new right front door control unit (N69/2).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
2	Remove front door lining		AR72.10-P-1000SX
3	Switch off ignition and withdraw transmitter key or Keyless Go start/stop button from the EIS [EZS] control unit	Keyless Go start/stop button only for vehicles with code (889) Keyless Go.
4	Disconnect electrical connectors (1) from left front door control unit (N69/1) or right front door control unit (N69/2)	Ensure that electrical lines are routed properly.
5	Disconnect electrical connectors (2) and unclip from carrier plate (6).	Ensure that electrical lines are routed properly.
6	Separate cable tie (3)
7	Unclip clip (4)
8	Unscrew bolt (5) and remove left front door control unit (N69/1) or right front door control unit (N69/2)		*BA72.10-P-1011-01Q
9	Install in the reverse order