Remove/Install Front Door Control Unit - AR72.29-P-1001MFA

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Model 118, 177, 243, 247

Fig 1: Front Door Control Unit Components Location - Model 118

Courtesy of MERCEDES-BENZ USA

	Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Remove left and right door trim.	Model 243	AR72.10-P-6575EQA
		Model 118, 177, 247	AR72.10-P-6575MFA
2	Release and disconnect electrical connectors (1).	The number of electrical connectors (1) varies depending on the vehicle equipment.
3	Release plug housing (2) and remove in the direction of the arrow (A) from the driver's door control unit (N69/1) and front passenger door control unit (N69/2).	Do not disconnect electrical connectors (2.1) of plug housing (2).
4	Release lock (3) and remove driver's door control unit (N69/1) and front passenger door control unit (N69/2) in the direction of the arrow (B).	Ensure that guides (4) insert correctly into door module (5).
5	Install in the reverse order.
6	Perform commissioning of the driver's door control unit (N69/1) and front passenger door control unit (N69/2).	When replacing driver's door control unit (N69/1) and front passenger door control unit (N69/2).
			AD00.00-P-2000-06MFA