Your Mercedes Viano doesn’t want to start? Have you tested everything? Battery, alternator, spare keys… And you feel like the problem comes from your immobiliser ? It is actually quite plausible, indeed that it is in question if your car doesn’t want to start anymore or stalls when starting without a reason. You want to disable the immobiliser on your Mercedes Viano ? You are on the good website, we have written this post to help you see more clearly and solve your concerns connected to this part. First, we will see how the immobiliser functions on your Mercedes Viano, then the different methods to disable it.
How your immobiliser system functions on Mercedes Viano
Before explaining the different alternatives available to you, here is a short intro to describe the purpose and operation of the immobilizer in your Mercedes Viano. This electronic element appeared 30 years ago and intends to prevent the theft of your Mercedes Viano. In fact, thanks to a transponder and an antenna (coil) included in the key, and, a immobilisation control box included in the ECU and a reception antenna on the neiman, your Mercedes Viano will go each time you insert the key in the ignition, it controls that the code emitted by your key is indeed the one required 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 alternatives to bypass the immobiliser on your Mercedes Viano
Enter the code to turn off the immobiliser
First procedure, your key no longer permits your Mercedes Viano to start, you want to deactivate the immobiliser of your Mercedes Viano, 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. In fact, with your car you should have a spare key (which you should try and which should start your Mercedes Viano), 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, duplicate the process until you have entered the entire code. This should let you start your Mercedes Viano without having to remove the immobiliser.
Fix your key at a key specialist or your car dealer
If despite a battery change, several attempts to enter the immobiliser code on your Mercedes Viano still doesn’t work, it’s probably your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Mercedes Viano. In fact, your transponder must have been affected or must have fallen off your key. To correct this problem, only solution, go to a key specialist (also available on the internet) or, at your dealer who can repair your Mercedes Viano key. Determined by who you go to the repair should cost you about 100 euros if you still have a copy or your “code card” and about 350 euros at your 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 Viano.
Manually remove your immobilizer
Although you may be attracted to bypass the immobilizer from your Mercedes Viano, this is not recommended at all for many reasons. First your Mercedes Viano would be much more vulnerable to theft attempts. In fact, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. Additionally to that, your insurance, in case of theft most likely won’t refund you if it finds out that the immobiliser on your Mercedes Viano has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the methodology, we have made the choice not to disclose it, because it could benefit people with bad intentions.
In the event that you have any additional questions about the Mercedes Viano, do not hesitate to consult our Mercedes Viano category.
