Remove/Install Rear SAM Control Unit - AR54.21-P-1269LWH

Model 205.0/1/2 

up to model year 2019 

with code ME06 (Hybrid drive 60 kW variant (incl. plugin)) 

Fig 1: Rear SAM Control Unit Components Location - Model 205.0 Up To Model Year 2019 With Code ME06

Courtesy of MERCEDES-BENZ USA

Shown on model 205.2 except code 550 (Trailer hitch) 

	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
	Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A
	General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system		AH00.00-Z-0300-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Notes on HANDS-FREE ACCESS		AH80.61-P-0001-01A
	Remove/install
1	Commission rear SAM control unit (N10/8).	When replacing the rear SAM control unit (N10/8).
			AD00.00-P-2000-04B
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
3.1	Remove trunk floor rear section.	Model 205.0/1 up to model year 2019 with code ME06 (Hybrid drive 60 kW variant (incl. plugin))
3.2	Fold over load compartment floor rear section (1).	Model 205.2 up to model year 2019 with code ME06 (Hybrid drive 60 kW variant (incl. plugin))
4	Remove trim (2).
5	Remove trailer recognition control unit from holder (3) and place to one side with attached electric lines.	Model 205.2 up to model year 2019 with code 550 (Trailer coupling) with code ME06 (Hybrid drive 60 kW variant (incl. plugin))	AR31.19-P-1300LWS
		Model 205.0 up to model year 2019 with code 550 (Trailer coupling) with code ME06 (Hybrid drive 60 kW variant (incl. plugin))	AR31.19-P-1300LW
6	Unscrew nut (4).	The nut (4) is located on the bottom of the bracket (3).
7	Remove rear SAM control unit (N10/8) from holder (3) and turn.	Make sure that the electrical wiring harness (5) does not chafe against the bracket (3). The electrical systems can otherwise fail and be damaged.
8	Disconnect electrical connectors (6).	The electrical connections (6) are coded and cannot be swapped. The number of electrical connectors (6) can vary depending on the equipment installed.
9	Remove rear SAM control unit (N10/8).
10	Install in the reverse order.