• 54.00 General17
• 54.10 Battery, power supply, voltage converter37
• 54.15 Fuse and relay box45
• 54.18 Cable harnesses43
• 54.20 Module box6
• 54.21 Control units / basic modules30
• 54.22 Diagnostic test coupling/diagnostic socket17
• 54.25 Switches6
• 54.30 Instrument cluster, display instruments, hazard warning device78
• 54.35 Signaling system1