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Remove/Install Keyless-Go Control Unit - AR80.61-P-0002LWM

Model 205 (except 205.013/053/054/213/253) 

as of model year 2019 

Shown on model 205.0 

Fig 1: Keyless-Go Control Unit Component Location - Model 205 (Shown On Model 205.0)
G14818979WARNINGREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSIMPORTANTCourtesy of MERCEDES-BENZ USA
WARNING 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
Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A 
REMOVINGINSTALLING Remove/install     
1 Carry out commissioning of the KEYLESS-GO control unit (N69/5). When replacing KEYLESS-GO control unit (N695).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove trunk recess trim or load compartment well. Model 205 (except 205.013/053/054/213/253)
as of model year 2019
Model 205.0 (except 205.013/053/054), 205.1/3
as of model year 2019
AR68.30-P-4600LW
3 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
4 Unscrew bolt (1). IMPORTANT Model 205.4
as of model year 2019
Screw (1) is located in the direction of travel at the front on bracket (2).
 
5 Guide out bracket (2) with rear passenger compartment fuse and relay module (K40/5) and place to one side with connected lines.    
6 Release KEYLESS-GO control unit (N69/5) from the mount (arrows) and guide out until the electrical connector (4) is accessible.    
7 Disconnect the electrical connector (4) and remove KEYLESS-GO control unit (N69/5).    
8 Install in the reverse order.