• 54.00 General38
• 54.10 Battery, power supply, voltage converter76
• 54.15 Fuse and relay box107
• 54.18 Cable harnesses35
• 54.20 Module box10
• 54.21 Control units / basic modules118
• 54.22 Diagnostic test coupling/diagnostic socket12
• 54.25 Switches13
• 54.30 Instrument cluster, display instruments, hazard warning device103
• 54.35 Signaling system11
• 54.61 Speed recorder, trip recorder, taximeter1
• 54.65 Parking assist76
• 54.71 Camera and radar-assisted assistance systems16