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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments (3 Of 4) -- 290 Chassis >> Testing & Repair >> Remove/Install Rear Spoiler Control Unit - AR54.21-P-0367FRX

Remove/Install Rear Spoiler Control Unit - AR54.21-P-0367FRX

Model 290 

except code U94 (Rear spoiler, static) 

except code U99 (Rear spoiler, static, carbon) 

Fig 1: Rear Spoiler Control Unit Components Location - Model 290 Except Code U94, U99
G16554019WARNINGREMOVINGINSTALLINGCourtesy 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 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
2 Remove lower liftgate trim.   AR72.20-P-6617FRX
3 Disconnect electrical connector (1).    
4 Remove screw/bolt (2).    
5 Remove rear wing control unit (N170).    
6 Install in the reverse order.