Remove/Install Backrest Lumbar Support Switch - AR91.25-P-1435GW

Model 463 

as of model year 2013 up to model year 2019 

except code PA1 (Seat comfort package) 

Fig 1: Backrest Lumbar Support Switch Components Location - Model 463 As Of Model Year 2013 Up To Model Year 2019 Except Code PA1

Courtesy of MERCEDES-BENZ USA

Shown on right front seat 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Detach outer cover (1) from front seat frame and place to one side with attached electrical lines	Remove/install front seat frame covers Cover door sill. Otherwise the outer cover (1) may be scratched. Do not detach belt end fitting.	AR91.10-P-1200GW
2	Disconnect electrical connection (2)
3	Unclip driver's seat lumbar support adjustment switch (S109/2) or front passenger seat lumbar support adjustment switch (S1093) at catch hooks (arrows) and remove	Ensure that switch for driver seat lumbar support adjustment (S109/2) or switch for front passenger seat lumbar support adjustment (S109/3) is correctly seated in outer cover (1).
4	Install in the reverse order