• 54.00 General189
• 54.10 Battery, power supply, voltage converter104
• 54.15 Fuse and relay box107
• 54.18 Cable harnesses59
• 54.21 Control units / basic modules590
• 54.22 Diagnostic test coupling/diagnostic socket5
• 54.25 Switches10
• 54.30 Instrument cluster, display instruments, hazard warning device140
• 54.35 Signaling system8
• 54.50 Trip computer28
• 54.61 Speed recorder, trip recorder, taximeter8
• 54.65 Parking assist110
• 54.70 Proximity warning system7
• 54.71 Camera and radar-assisted assistance systems19