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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Seats, Bunks, Restraint Systems (2 Of 2) -- 118 Chassis) >> Testing & Repair >> Remove/Install Switch For Backrest Lumbar Support - AR91.25-P-1436MFA

Remove/Install Switch For Backrest Lumbar Support - AR91.25-P-1436MFA

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2023 Mercedes-Benz CLA45 AMG, 2023 Mercedes-Benz CLA35 AMG, 2023 Mercedes-Benz CLA250, 2022 Mercedes-Benz CLA45 AMG, and 2022 Mercedes-Benz CLA35 AMG. However, it is still accessible from the selected car via links, so may be relevant.

Model 118, 177, 247 

with code U22 (Lumbar support adjustment) 

except code 555 (AMG-Performance Seat) 

Model 243 

with code U22 (Lumbar support adjustment) 

G16053473Courtesy of MERCEDES-BENZ USA
Notice  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
REMOVINGREMOVING Remove/install     
1 Remove outer trim (1) from seat frame.   AR91.10-P-1201MFA 
2 Release holders (2) and remove driver's seat lumbar support adjustment switch (S109/2) or front passenger seat lumbar support adjustment switch (S109/3).    
3 Install in the reverse order.