• 54.00 General194
• 54.10 Battery, power supply, voltage converter90
• 54.15 Fuse and relay box2
• 54.18 Cable harnesses35
• 54.20 Module box1
• 54.21 Control units / basic modules583
• 54.22 Diagnostic test coupling/diagnostic socket14
• 54.25 Switches13
• 54.30 Instrument cluster, display instruments, hazard warning device102
• 54.35 Signaling system1
• 54.50 Trip computer1
• 54.61 Speed recorder, trip recorder, taximeter23
• 54.65 Parking assist17
• 54.70 Proximity warning system1
• 54.71 Camera and radar-assisted assistance systems11