Remove/Install Injection System Control Unit - AR07.08-P-7008OGR

ENGINE 642 in model 166, 292 

Fig 1: Injection System/CDI Control Unit Components Location - Engine 642 In Model 166

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Read out variant coding with diagnostic system	When replacing the CDI control unit (N3/9)
			AD00.00-P-2000-04A
2	Remove wheel housing lining in the right fender		AR88.10-P-1321GQC
3	Disconnect electrical connections on CDI control unit (N3/9)
4	Remove screw/bolts (3) and take CDI control unit (N3/9) out of bracket
5	Install in the reverse order
6	Read in variant coding with diagnostic system	When replacing the CDI control unit (N3/9)
		Transfer the stored variant coding of the previously installed CDI control unit (N3/9) to the new CDI control unit (N3/9) using the diagnostic system.	AD00.00-P-2000-04A
7	Start up CDI control unit (N3/9) using the diagnostic system	When replacing the CDI control unit (N3/9)
		The CDI control unit (N3/9) must be adjusted to the vehicle using the diagnostic system, in the menu item "Commissioning".	AD00.00-P-2000-04A
	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