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How to Program a MERCEDES Truck Key Our parts department is here to assist you, whether you require replacement of the battery or your key no more is working. Keep in mind that replacement keys must be ordered and synchronized at the dealership in person. This is done to ensure the safety of your vehicle and security. Only you or a person authorized by you may request this service. Keys There are rumors that you can reprogram the Mercedes key, however this isn't true. The key is paired “for life” and once it's programmed to a car it will never work with another. The key has a distinct design in its metal beam, and the Mercedes system is looking for this and only recognizes the particular key. The blank MERCEDES truck keys are different in shape and will not work in the system. The dealership must obtain a new, compatible key for your vehicle from Mercedes; they don't keep keys in stock at the parts department. You will need to have the original registration or title and an official driver's license or passport, or identity card to present when you pick up the key. This helps confirm that the person who has the key is the owner and not trying to steal the vehicle. If you would like to have an agent or delegate pick keys for you, you'll require all the documentation above and an authorization letter signed and that is signed by the owner. The authorized representative or delegates must also bring the vehicle into the dealership in order to retrieve the keys. If you have any additional questions, call the dealer and they'll be more than happy to assist. They will let you know if they have the key available or need to place an order with Mercedes for a new, compatible key for your vehicle. Remotes In certain MERCEDES models, the remote key has touchscreen that displays virtual buttons. When a button on the remote key is touched the infrared signals are transmitted to control devices. truck key cutting TheKeyLab can be programmed using a graphic interface program on the user's computer. The “buttons” that appear on the screen, are actually pictures of electronic circuit elements. These comprise resistors (resistors) and capacitors (inductors) as well as potentiometers (potentiometers) and transistors (diodes) integrated circuits and switches and diodes. It may be difficult to unlock the truck if you've locked your keys in the boot. This is because the lock cylinder and the door of the Mercedes-Benz may be damaged. It is possible to use a rope with a slip-knot that you can use to tie the lock and pull it out, but this method is not completely safe. You may need to test it multiple times before calling an emergency locksmith or roadside assistance service to help you open the truck without damaging it. The lower-level case has an opening panel that can be opened in order to store the batteries. The panel is light brown and has white writing indicating the type of batteries that are recommended (UM-4/AAA). It also includes the Plus and Minus sign indent to indicate in which direction the battery spring coils should be placed when installing the batteries. Keyless Entry System SmartKeys come with Keyless Go unlock or start your car even if you don't have the key. This is achieved by through a process known as passive entry and go. The SmartKeys come with a transponder that enables the computer of the vehicle to detect a driver by detecting the key's proximity. To turn on your car, the key sends low-frequency transmissions which are picked up by antennas inside and outside your door handles. If the transmission matches the ID number on the PASE module (Passive Access and Security electronics) the system will allow the key to act as a passkey for operating the vehicle. These systems are designed to prevent “replay attacks” which allow a hacker to record and replay control signals and use them to gain access to a car or building. To prevent this the system uses a special algorithm that ensures that every signal sent by the keyfob is distinct from previous ones. This means that if a burglar is able to record one of these transmissions, and then attempts to use it again, the car's PASE module will detect the attempt and deny access.