• 54.00 General17
• 54.10 Battery, power supply, voltage converter51
• 54.15 Fuse and relay box31
• 54.18 Cable harnesses9
• 54.20 Module box4
• 54.21 Control units / basic modules192
• 54.22 Diagnostic test coupling/diagnostic socket3
• 54.25 Switches15
• 54.30 Instrument cluster, display instruments, hazard warning device23
• 54.35 Signaling system1
• 54.61 Speed recorder, trip recorder, taximeter19
• 54.65 Parking assist18
• 54.71 Camera and radar-assisted assistance systems15