Mercedes Benz EIS immobiliser ignition repair service

Please note that prices are from £120 depending on the exact fault we find price may be more Mercedes EIS / EZS Immobiliser Key Module Problems and Repairs Symptoms we can diagnose and repair are: Unable To Turn The Key Unable To Start The Car Turn The Key – But Car Won’t Start Intermittent Ignition Key Faults Vehicle not responding to remote If the EIS unit becomes faulty, the key will not turn & start the engine, this function will be de-activated and the module will be locked for security purposes. This will stop the engine from starting. It is very unfortunate but also a very common problem as there are many reasons as to why these units fail. Some of the most common reasons are listed below: Jump Starting Whilst Key Is Inserted Power Surge Low Battery Voltage All of the above can cause memory loss or corruption of the EIS module and it cannot be repaired or re-flashed using the usual Mercedes diagnostic systems. At this point most people will advise you to purchase a new ignition unit which can work out extremely expensive. One of the main problems is the CPU chip inside fails or for example crashes just like a computer or PC. ***Please note all EIS repairs take Between 5 - 7 days***