• 54.00 General26
• 54.10 Battery, power supply, voltage converter56
• 54.15 Fuse and relay box10
• 54.18 Cable harnesses31
• 54.21 Control units / basic modules237
• 54.22 Diagnostic test coupling/diagnostic socket6
• 54.25 Switches29
• 54.30 Instrument cluster, display instruments, hazard warning device49
• 54.35 Signaling system10
• 54.61 Speed recorder, trip recorder, taximeter36
• 54.65 Parking assist10
• 54.71 Camera and radar-assisted assistance systems34