There are two kinds of original keys: one is the original key stored on the NEC chip for the MOTOROLA lock and the ordinary NEC lock. The look is pure black key and bright edge, the keys do not separate. One is the BGA package key, the new key with separate keys.
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There are three kinds of keys for the auxiliary factory: the BE version of the erasable key, the 24C02 key and the Advantech Benz key.
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At present, as long as the VVDI MB can directly OBD read the lock head data can be directly collected. The premise is that the keys to the car must be original. All auxiliary factory keys cannot be used as car keys for data collection.
You can check the key code to see if it's original. There is a plastic strip on the car key ring, scratch the coating and the code is used for manufacturers to make keys.
Many of today's cars use remote control keys, also known as smart keys, even tens of thousands of dollars of cars, there is no key entry, one-click start and other functions. This key both open the door lock, start the car and anti-theft functions, the shape is like a remote control, usually enter the car, start the car does not have to pull out, direct operation on the line.