Remove/install automated manual transmission control unit - AR26.19-P-0100MCU

TRANSMISSION 717.4 in MODEL 451.3/4 

Fig 1: Identifying Automated Manual Transmission Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Turn off ignition
2	Remove driver seat (1)		AR91.10-P-1010MCU
3	Reposition floor covering under the driver seat (1) in the rear area until the automated manual transmission control unit (N15/6) is accessible	When repositioning the floor covering ensure that this is not damaged due to breaking or cracking.
4	Separate electrical connectors (2) on the automated manual transmission control unit (N15/6)
5	Unscrew nuts (3) on automated manual transmission control unit (N15/6) and put ground line (4) to one side	Replace self-locking nuts (3).
6	Remove automated manual transmission control unit (N15/6)
7	Install in the reverse order
8	Flash the automated manual transmission control unit (N15/6)	When replacing the automated manual transmission control unit (N15/6).	AR54.21-P-0012MCU