Genuine OEM Mercedes-Benz Ignition Cable, part number A112150011864. This cable is responsible for transmitting the high voltage electrical current from the ignition coil to the spark plug, initiating combustion within the engine cylinder. It features a protective flexible conduit to shield it from engine heat and abrasion. Genuine OEM ignition cables are designed with specific resistance values and insulation to ensure optimal spark delivery and prevent misfires, contributing to smooth engine performance.