Component Location Overview - Electric And Electronic Components

• Driver Seat Position Sensor -G553-, Front Passenger Seat Position Sensor -G554-
• Overview. Refer to OVERVIEW - SEAT POSITION SENSOR .

• Driver Seat Depth Adjustment Motor -V256-, Front Passenger Seat Depth Adjustment Motor -V257-
• Integrated in the seat depth adjuster; if faulty, replace the seat depth adjuster. Refer to SEAT DEPTH ADJUSTER, REMOVING AND INSTALLING .

• Driver Seat Forward/Back Adjustment Motor -V28-, Front Passenger Seat Forward/Back Adjustment Motor -V31-
• Integrated in the seat pan lower frame; replace the lower frame if faulty. Refer to UPPER AND LOWER SEAT PAN FRAME, SEPARATING AND ASSEMBLING 

• Equipment version: front passenger seat only
• Removing and Installing. Refer to SEAT POSITION SENSOR, REMOVING AND INSTALLING .

• Left Front Seat Cushion Fan 1 -V514-, Right Front Seat Cushion Fan 1 -V518-
• Removing and installing. Refer to FRONT SEAT FAN, REMOVING AND INSTALLING, SEAT CUSHION .

• Driver Seat Belt Switch - E24-, Front Passenger Seat Belt Switch - E25-
• Removing and Installing. Refer to the appropriate Service Information .

• Rear
• Left Rear Footwell Lamp - W45-, Right Rear Footwell Lamp - W46-
• Removing and Installing. Refer to LEFT REAR FOOTWELL LAMP -W45- / RIGHT REAR FOOTWELL LAMP -W46-, REMOVING AND INSTALLING .

• Driver Backrest Adjustment Motor -V45-, Front Passenger Backrest Adjustment Motor -V46-
• Removing and installing. Refer to DRIVER AND FRONT PASSENGER BACKREST ADJUSTMENT MOTOR -V45- / -V46-, REMOVING AND INSTALLING .

• For massage function
• Equipment versions: with pneumatic massage function
• Valve Block 1 in Driver Seat -N475-, Valve Block 1 in Front Passenger Seat -N477-
• Overview. Refer to OVERVIEW - PNEUMATIC SYSTEM .

• For the lumbar support
• Equipment versions: with pneumatic lumbar support and bolster adjuster
• Valve Block 2 in Driver Seat - N476-, Valve Block 2 in Front Passenger Seat - N478-
• Overview. Refer to OVERVIEW - PNEUMATIC SYSTEM .

• Left Front Seat Backrest Fan 1 -V512-, Right Front Seat Backrest Fan 1 -V516-
• Removing and installing. Refer to FRONT SEAT FAN, REMOVING AND INSTALLING, SEAT BACKREST .

• Equipment versions: vehicles with Rear Seat Entertainment System
• Multimedia System Display Unit Bracket, Removing and Installing. Refer to MULTIMEDIA SYSTEM DISPLAY UNIT BRACKET .

• Front
• Driver Thorax Airbag Igniter -N199- /Front Passenger Thorax Airbag Igniter -N200-
• Overview. Refer to OVERVIEW - FRONT THORAX AIRBAG .

Driver seat:

• Driver Seat Lumbar Support Curvature Adjustment Motor -V125-, Driver Seat Lumbar Support Height Adjustment Motor -V129-

  Front passenger seat:

• Front Passenger Seat Lumbar Support Curvature Adjustment Motor -V126-, Front Passenger Seat Lumbar Support Height Adjustment Motor -V130-
• Overview. Refer to OVERVIEW - FRONT BACKREST .

• Driver Seat Height Adjustment Motor -V245-, Front Passenger Seat Height Adjustment Motor -V246-
• Integrated in the seat pan upper frame; replace the upper frame if faulty. Refer to UPPER AND LOWER SEAT PAN FRAME, SEPARATING AND ASSEMBLING 

• Driver Seat Adjustment Control Head -E470-, Front Passenger Seat Adjustment Control Head -E471-
• Overview. Refer to OVERVIEW - SEAT PAN .

For power seat adjustment, vehicles without massage function:

• Driver Seat Lumbar Support Adjustment Switch - E176-, Front Passenger Seat Lumbar Support Adjustment Switch -E177-

  For power seat adjustment, vehicles with massage function:

• Driver Seat Switch Module -E663-, Front Passenger Seat Switch Module -E664-
• Removing and installing. Refer to FRONT SEAT SWITCH/SWITCH MODULE, REMOVING AND INSTALLING .

• Driver Seat Angle Adjustment Motor -V243-, Front Passenger Seat Angle Adjustment Motor -V244-
• Removing and installing. Refer to SEAT ANGLE ADJUSTER, REMOVING AND INSTALLING .

• Market-specific versions; front passenger seat only
• Overview. Refer to the appropriate Service Information .

• Driver Multi-Contour Seat Compressor -V439-, Front Passenger Multi-Contour Seat Compressor -V440-
• Overview. Refer to OVERVIEW - PNEUMATIC SYSTEM .

• Memory Seat/Steering Column Adjustment Control Module -J136-, Front Passenger Memory Seat Control Module -J521-
• Removing and installing. Refer to SEAT FUNCTIONS CONTROL MODULE, REMOVING AND INSTALLING .