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Remove/Install Distronic Electric Controller Unit - AR30.30-P-1011LWA

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Model 205 

up to model year 2019 

with code 239 (Active Distance Assist DISTRONIC) 

except code 233 (DISTRONIC PLUS) 

Model 253 (except 253.992/993) 

up to model year 2019 

with code 239 (Active Distance Assist DISTRONIC) 

except code 233 (DISTRONIC PLUS) 

G12936016Courtesy of MERCEDES-BENZ USA
  Notes on preventing damage to electronic components due to a magnetic tool   AH54.00-P-0002-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Commission DISTRONIC electric controller unit (A89). When replacing the DISTRONIC electric controller unit (A89).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3.1 Remove radiator grille. Model 205
up to model year 2019
with code 239 (Active Distance Assist DISTRONIC)
with code P23 (EXCLUSIVE exterior)
except code 233 (DISTRONIC PLUS)
 
      AR88.40-P-4001LW
3.2 Remove Mercedes star. Model 205
up to model year 2019
with code 239 (Active Distance Assist DISTRONIC)
with code 772 (AMG styling package - front spoiler, side skirts and rear apron) except code 233 (DISTRONIC PLUS)
Model 205
up to model year 2019
with code 239 (Active Distance Assist DISTRONIC)
with code P15 (AVANTGARDE exterior) except code 233 (DISTRONIC PLUS)
Model 205
up to model year 2019
with code 239 (Active Distance Assist DISTRONIC)
with code P76 (Standard exterior equipment and appointments)
except code 233 (DISTRONIC PLUS)
Model 253 (except 253.992/993)
up to model year 2019
with code 239 (Active Distance Assist DISTRONIC)
except code 233 (DISTRONIC PLUS)
 
      AR88.40-P-4050LW
4 Disconnect electrical connector (1) at DISTRONIC electric controller unit (A89).    
5 Remove DISTRONIC electric controller unit (A89) from mounting clips (2) and take out.    
6 Install in the reverse order    
  Calibrate     
7 Calibrate DISTRONIC electric controller unit (A89) using the vehicle diagnosis system.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
REFER TO SPECIAL TOOLS 000 588 17 21 00 Adjusting device   WS30.00-P-0006B