Your Mercedes Classe E doesn’t want to start? Have you tested everything? Battery, alternator, spare keys… And you feel like the issue comes from your immobiliser ? It is actually quite possible, indeed that it is in question if your vehicule doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Mercedes Classe E ? You are on the good website, we have made this content to support you see more clearly and fix your problems linked to this component. First, we will see how the immobiliser functions on your Mercedes Classe E, then the different methods to disable it.
How your immobiliser system functions on Mercedes Classe E
Before explaining the different choices available to you, here is a short intro to describe the goal and operation of the immobilizer in your Mercedes Classe E. This electronic part was invented 30 years ago and aims to prevent the theft of your Mercedes Classe E. Indeed, thanks to a transponder and an antenna (coil) integrated in the key, and, a immobilisation control box integrated in the ECU and a reception antenna on the neiman, your Mercedes Classe E will go each time you put the key in the ignition, it controls that the code emitted by your key is indeed the one expected by your immobilization box. It is only at this instant, that it will enable you to start. It is thanks to RFID technology (chip in the key) that this unit will work.
The different possibilities to bypass the immobiliser on your Mercedes Classe E
Enter the code to turn off the immobiliser
First technique, your key no longer permits your Mercedes Classe E to start, you want to disable the immobiliser of your Mercedes Classe E, but first of all you should try this technique to start it and take it to a garage verify that you can not do a less significant process to reestablish the normal start of your car. Indeed, with your car you should have a spare key (which you should try and which should start your Mercedes Classe E), but if you don’t have it you should at least have the “code card”, it includes the start code. Thanks to this code, you will still be able to start your car by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to confirm the digit and resume, replicate the process until you have entered the entire code. This should enable you to start your Mercedes Classe E without having to remove the immobiliser.
Repair your key at a key specialist or your car dealership
If even though a battery change, different attempts to enter the immobiliser code on your Mercedes Classe E still doesn’t want to start, it’s probably your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Mercedes Classe E. Indeed, your transponder must have been damaged or must have fallen off your key. To correct this issue, only option, go to a key specialist (also available on the internet) or, at your car dealer who can repair your Mercedes Classe E key. Determined by who you go to the repair should cost you about 100 euros if you still have a duplicate or your “code card” and about 350 euros at your car dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Mercedes Classe E.
Manually remove your immobilizer
Although you may be tempted to bypass the immobilizer from your Mercedes Classe E, this is not recommended at all for some reasons. First your Mercedes Classe E would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. Moreover to that, your insurance, in case of theft most likely won’t refund you if it realizes that the immobiliser on your Mercedes Classe E has been removed, bypassed or deactivated. This if you still want to do it, some sites still give the technique, we have made the choice not to disclose it, because it could benefit people with bad intentions.
If you want more tutorials on the Mercedes Classe E, go to our Mercedes Classe E category.
