

It bolts into the exact location as the lock. We’ll replace the steering lock with an emulator. As for the Electronic Steering Lock or ESL, we can provide a permanent replacement that you only need to do once. We can test and repair your Faulty Mercedes EIS ESL and return it so you can simply plug and play. Electronic Steering Lock ESL Fails or locks in placeĭo you have a Faulty Mercedes EIS ESL? We have found that this is a widespread issue, and it is causing frustration for many Mercedes drivers.

Performing a jump while the key is inserted.Some of the common reasons an EIS might falter: Unfortunately, the EIS can go bad because of some common problems, and your dealer may tell you the only option is a costly ESL replacement. It’s your car’s security system doing its job, but not because of a mismatched key, because of a communication breakdown in one of the control units. When the Mercedes Electronic Ignition Switch EIS Goes wrongįaulty Mercedes EIS ESL? Mercedes Electronic Ignition Switch EIS ESL system falters, “Turn and Start” will deactivate and you won’t be able to start your car. Can’t turn key in the electronic ignition switch eis.Some common issues that you may experience due to a faulty Mercedes EIS or ESL: You might be at the end of your rope wondering why your car won’t start.

Issues You May Experience with the Mercedes EIS ESL Electronic Ignition Switch and Electronic Steering Lock Great in theory, right? But, a faulty Mercedes electronic ignition switch wills top you in your tracks. If the key and the EIS don’t match up, “Turn and Start” is deactivated. Three control units (EIS, ESL and ECU) must all agree the key is correct before the “Turn and Start” function is authorized. 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. Faulty Mercedes EIS ESL Key Replacement Electronic Ignition Switch Replacementĭo you have a Faulty Mercedes EIS ESL? The Mercedes EIS ESL Electronic Ignition Switch and Electronic Steering Lock system exists to make sure your car isn’t stolen.
