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Home >> Mercedes Benz >> 2020 >> CLA35 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments (2 Of 3) -- 118 Chassis >> Testing & Repair >> Remove/Install Touchpad Control Unit - AR54.21-P-0503MFA

Remove/Install Touchpad Control Unit - AR54.21-P-0503MFA

Model 118, 177, 247 

with code 446 (Touchpad only) 

except code 411 (6-speed manual transmission) 

Model 243 

with code 446 (Touchpad only) 

Fig 1: Touchpad Control Unit Components Location - Model 118 With Code 446 Except Code 411 (Shown On Model 177)
G16142830Courtesy of MERCEDES-BENZ USA

Shown on model 177 

Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove cover from center console.   AR68.20-P-2350MFA
3 Remove bolts (1).    
4 Remove touchpad (A105).    
5 Install in the reverse order.    
6 Perform commissioning of touchpad (A105). When replacing touchpad (A105).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA