Remove/Install Electronic Ignition Lock Control Unit - AR54.21-P-0038LWE

Model 213 

Model 238 

Shown On Model 213.0 

Fig 1: Electronic Ignition Lock Control Unit Components Location - Model 238 (Shown On Model 213.0)

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Commission the electronic ignition lock control unit (N73)	When replacing the electronic ignition lock control unit (N73).
		Model 213	AD00.00-P-2000-04B
		Model 238	AD00.00-P-2000-06LWO
2	Move driver seat towards the rear
3	Disconnect battery ground line	Model 213	AR54.10-P-0003LW
		Model 238	AR54.10-P-0003LWO
4	Remove door sill for driver footwell	Model 213	AR68.30-P-4100LW
		Model 238	AR68.30-P-4100CLW
5	Fold back floor covering in driver footwell
6	Release catch hook (2), move electronic ignition lock control unit (N73) far enough out of guide so that the electrical connection (1) can be detached	Hook electronic ignition lock control unit (N73) onto guide (arrow), then clip into place.
7	Detach electrical connection (1) and remove electronic ignition lock control unit (N73)
8	Install in the reverse order