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Mercedes Benz Ignition barrel and key To Suit W123 300D 280E 300TE W107 300SL 420SL 500SL

The ignition barrel and key in a car play a crucial role in starting the engine. The ignition barrel is a cylinder-shaped component located on the steering column. It houses the ignition switch, which is responsible for activating various electrical systems in the car, including the starter, fuel pump, and ignition coil. The key in the ignition barrel is used to turn the switch on and off, thereby starting and stopping the engine. The ignition barrel and key also ensure that the car is secure, as the key must be inserted and turned to release the steering lock and allow the car to be driven.

Without the ignition barrel and key, a car would not be able to start or operate. The ignition barrel and key system is an essential part of any car's security features and prevents unauthorized access to the vehicle by ensuring that only those with the key can start the engine. Furthermore, modern car keys often have electronic chips that communicate with the car's onboard computer to grant access to various features such as keyless entry, remote start, and alarm systems. As such, the ignition barrel and key system plays a crucial role in both starting the engine and securing the car, making it a vital component of any vehicle.