Remember that you can check if your car has this system or not in your owner's manual. The immobilizer is automatic and manual activation is never needed. If the signal is the same as the one the car has saved, then the driver will be allowed to start the car. Inside the switch there is an antenna which receives this signal and sends it to the car's computer. How does the immobilizer or anti-theft system or your Mercedes Benz work?Įach original key has a chip inside which sends a signal when it gets close to the ignition switch. If that is the case, the technician will have to identify the cause among the causes already mentioned and then see if this problem can be solved via programming or if it is necessary to replace any of the components. Since this system is delicate, it is advisable to leave this process in the hands of a specialist.įirst, the technician will scan the car with the adequate diagnosis equipment to check if the problem is actually related to the immobilizer system. How can I fix an immobilizer problem on a Mercedes Benz? Electronic failure: any of the contacts or internal electronic components of the module or the computer may get damaged.Lack of synchronization of the immobilizer unit.Damaged antenna: due to electrical reasons, the antenna may stop working.⚠️ Faulty electrical wiring: it may happen both in the antenna as well as in the immobilizer unit or the engine's computer. ⚠️ The chip of the key is damaged or has been decoded: it may happen if the key is damaged or if it gets wet. ![]() The most common reasons as to why this happens are: ⚠️ Low battery of the key or the remote control: the chip will not send the signal. The main reason is because the car's computer does not recognize or does not detect the signal sent by the chip which is inside the key. It’s so secure in-fact, the only way a thief could take your vehicle with the Ghost immobiliser fitted is to physically tow it away, even then it would be impossible to be ever driven again Autowatch Ghost is discreet and has no key-fobs or. Why is the immobilizer activated on a Mercedes Benz? Autowatch Ghost is a high-tech protection device made to prevent key-cloning, hacking and key theft. Sometimes, this system will also block the steering column which will lock the steering wheel. Moreover, if the car has a diesel engine, this system will also block the “stop” relay, which will prevent the fuel from being injected into the engine. ![]() The car's computer will disable the fuel pump, the ignition coil and/or the injectors, depending on the electronic immobilizer system.
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