• 54.00 General220
• 54.10 Battery, power supply, voltage converter141
• 54.15 Fuse and relay box47
• 54.18 Cable harnesses36
• 54.21 Control units / basic modules557
• 54.22 Diagnostic test coupling/diagnostic socket4
• 54.25 Switches9
• 54.30 Instrument cluster, display instruments, hazard warning device101
• 54.31 Main control panel, electrics compartment110
• 54.35 Signaling system1
• 54.50 Trip computer1
• 54.65 Parking assist54
• 54.70 Proximity warning system5
• 54.71 Camera and radar-assisted assistance systems56