The Mercedes electronic ignition switch EIS/EZS is the next culprit on our list of causes of non-start in Mercedes- benz vehicles. Sometimes the hardware is completely fine, but, the NEC chip which holds the key’s data may get data corruption and again cause the entire key to become useless.Įlectronic Ignition Switch (EIS/EZS) failure If this component fails or breaks, it will cause the key to become ‘dead’ when inserted into the ignition switch. The key coil is the component that allows the key’s data to be read by the ignition switch. Your Mercedes' key(s) contains two of the most important components which also happen to be the most vulnerable to failure. Your Mercedes' key(s) are not being recognized by the ignition switch (EIS) could be due to a number of different causes. We provide the latest style of Mercedes keys (BGA chrome style). A spare key is usually supplied, cut and programmed in under 20 minutes. If you only need an additional key, this is a very quick and easy procedure and we are sure to have ALL your Mercedes keys in stock.
Once you’re happy with our quote, we arrange for a technician to come and see you. If you have misplaced your Mercedes keys, we can get you back on the road usually on the same day that you contact us (If you’re in London). Mercedes car key replacements and spare keys
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