Remove/Install Front SAM Control Unit - AR54.21-P-1254LW

Model 205 

Model 213 

Model 238 

Model 253 

Fig 1: Front SAM Control Unit Components Location - Model 205

Courtesy of MERCEDES-BENZ USA

Shown on MODEL 205.### 1# 

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Perform initial startup of front SAM control unit (N10/6)	When replacing front SAM control unit (N10/6).
		Model 205 Model 213 Model 253	AD00.00-P-2000-04B
		Model 238	AD00.00-P-2000-06LWO
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m)
3	Remove cover under the instrument panel on the driver-side	Model 205.### 1# Model 253.### 1#	AR68.10-P-1500LW
		Model 205.### 2# Model 253.### 2#	AR68.10-P-1520LW
		Model 213 Model 238	AR68.10-P-1501LWE
4	Remove bolt (1)
5	Release catch hook (2), move front SAM control unit (N10/6) from retaining clamps (3) (arrow)
6	Remove front SAM control unit (N10/6) far enough out of holder (4) so that the electrical connectors are accessible
7	Disconnect all electrical connections on front SAM control unit (N10/6) and remove front SAM control unit (N10/6) out of footwell	The number of electrical connectors varies according to vehicle equipment. The electrical connections are coded and cannot be interchanged.
8	Install in the reverse order