• 54.00 General206
• 54.10 Battery, power supply, voltage converter143
• 54.15 Fuse and relay box35
• 54.18 Cable harnesses36
• 54.20 Module box4
• 54.21 Control units / basic modules711
• 54.22 Diagnostic test coupling/diagnostic socket3
• 54.25 Switches17
• 54.30 Instrument cluster, display instruments, hazard warning device56
• 54.31 Main control panel, electrics compartment110
• 54.35 Signaling system2
• 54.50 Trip computer1
• 54.61 Speed recorder, trip recorder, taximeter24
• 54.65 Parking assist48
• 54.70 Proximity warning system1
• 54.71 Camera and radar-assisted assistance systems26