• 37.27.1 Basic information14
• 37.27.11 Control unit/relay4
• 37.27.12 Sensor/switch/wiring harness3
• 37.27.13 Line/hose/valve3
• 37.27.30 Rear seat, complete5
• 37.27.41 Seat cushion6
• 37.27.42 Seat backrest/head restraint11
• 37.27.44 Armrest1
• 37.27.47 Seat adjustment11
• 37.27.51 Pump/container2
• 37.27.70 Trim/stowage1