• 54.00 General24
• 54.10 Battery, power supply, voltage converter23
• 54.18 Cable harnesses4
• 54.21 Control units / basic modules8
• 54.22 Diagnostic test coupling/diagnostic socket13
• 54.25 Switches16
• 54.30 Instrument cluster, display instruments, hazard warning device67
• 54.31 Main control panel, electrics compartment4
• 54.35 Signaling system8
• 54.61 Speed recorder, trip recorder, taximeter28