Remove/install injection system control unit - AR07.08-P-7008GQC

ENGINE 276.8 in MODEL 166, 251 

Fig 1: Identifying Injection System Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Read out variant coding of the ME-SFI [ME] control unit (N3/10) with diagnostic system	When replacing ME-SFI [ME] control unit (N3/10)
			AD00.00-P-2000-04A
		Connect up diagnostic system and read data from ME-SFI [ME] control unit (N3/10) into Star Diagnosis. Transfer stored data to new ME-SFI [ME] control unit (N3/10).
2	Switch off ignition
3	Remove partition wall between wheel wells	ENGINE 276.8 in MODEL 251
			AR62.30-P-2400RT
4	Remove engine cover	Ensure correct seating of the engine cover.
5	Unclip ME-SFI [ME] control unit (N3/10) upwards and take it off	Ensure correct seating of the ME-SFI [ME] control unit (N3/10).
6	Disconnect electrical connections (1, 2) on ME-SFI [ME] control unit (N3/10)
7	Install in the reverse order
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
8	Carry out an engine test run