• 54.00 General48
• 54.10 Battery, power supply, voltage converter87
• 54.15 Fuse and relay box28
• 54.18 Cable harnesses21
• 54.20 Module box4
• 54.21 Control units / basic modules251
• 54.22 Diagnostic test coupling/diagnostic socket3
• 54.25 Switches14
• 54.30 Instrument cluster, display instruments, hazard warning device31
• 54.31 Main control panel, electrics compartment110
• 54.35 Signaling system2
• 54.61 Speed recorder, trip recorder, taximeter21
• 54.65 Parking assist25
• 54.71 Camera and radar-assisted assistance systems13