What is EIS on Mercedes?

What is EIS on Mercedes?

The Mercedes EIS ESL Electronic Ignition Switch and Electronic Steering Lock system exists to make sure your car isn’t stolen. Your key has a sequential code, unique to your vehicle, and when inserted into the ignition, your car runs a series of tests, to make sure it’s the right key.

How does the EIS system work on a Mercedes Benz?

The vehicle will instantaneously carry out a sequence of test handshakes to ensure the correct key has been inserted. Each time the key is inserted, the EIS system will check the key and then ask the ESL (Electronic Steering Lock) system for verification that it accepts the correct key is being used.

How does the ESL system work on a Mercedes Benz?

The ESL system will then look to see if the Engine ECU (Electronic Control Unit) agrees that this is the authorised key being used. – Then and only then, when all three control units agree it is the correct authorised key being used, will it allow the “Turn & Start” function to be activated.

Which is the MBE tool for Mercedes EIS?

MBE Mercedes EIS/ESL Testing tools is our new Mercedes EIS testing device designed for on-bench testing of EZS (EIS), ESL (ELV). The tool is designed with Mercedes ESL Emulator hidden inside and it has automatic switch – it can either read ESL or switch into emulation mode.

Can a Mercedes EIS ignition switch be repaired?

We thoroughly test & repair all EIS modules to ensure we locate the faults and rectify them completely. After your EIS module has been repaired , you will be able to insert the key, turn and start the vehicle with no problems whatsoever.

The vehicle will instantaneously carry out a sequence of test handshakes to ensure the correct key has been inserted. Each time the key is inserted, the EIS system will check the key and then ask the ESL (Electronic Steering Lock) system for verification that it accepts the correct key is being used.

MBE Mercedes EIS/ESL Testing tools is our new Mercedes EIS testing device designed for on-bench testing of EZS (EIS), ESL (ELV). The tool is designed with Mercedes ESL Emulator hidden inside and it has automatic switch – it can either read ESL or switch into emulation mode.

What does the sequential code on the Mercedes EIS key mean?

The key has a sequential code to ensure the vehicle is not stolen. The vehicle will instantaneously carry out a sequence of test handshakes to ensure the correct key has been inserted.

The ESL system will then look to see if the Engine ECU (Electronic Control Unit) agrees that this is the authorised key being used. – Then and only then, when all three control units agree it is the correct authorised key being used, will it allow the “Turn & Start” function to be activated.