After replace the battery, It asks for a radio code which I forgot. After trying several times I was locked out. Plz tell me how to reset a radio code for mercedez ML 350 .
Thanks
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Question edited for clarity.
Question moved to model category.
It is a Mercedes, you need the dealership, an auto electrician or an Auto locksmith / Alarm installer. It is the most electrically over-engineered brand on the market. some are PIN Locked so that only registered technicians can reset based on VIN Number.
You should have a code for the radio in your owner;s manual. If you are not the original owner and it is not there, the dealer should be able to provide it from your VIN.
The code should be on a card that came with the owners manual. Usually everything is located in the leather case assuming the procedures are the same there as well as other locations. Otherwise, you will have to call the dealer and provide them with VIN and what other information they request for proof of ownership.
It's a Mercedes, so electrical issues are extremely common. The ML especially of that year is about the most problematic car Mercedes ever produced. It has issues everywhere from short circuits due to the wiring shrouding breaking down over time, to ECMs/ECUs failing without necessarily any good reason to. As there are too many faults on that particular vehicle to mention, it won't be easy to diagnose this one over the internet. You will likely require an auto electrician, and perhaps not even just one workshop to manage all types of issues. My best advice once you've dealt with this one and the vehicle is working is to sell it. You won't stop working on expensive issues with this mark and model.
Hi Gennea, If the battery runs flat and the radio looses its anti theft code it must be input again before the set can work. The code may be written into the user manual, if not you may have to visit an agent. Regards John
Those codes are Misfire codes, I would change the spark plugs, check or replace coil packs or wires, check or clean fuel injectors, and replace fuel filter.
if you pull radio out write down serial # off radio. once you got # call dealer and they shold be able to give you radio #. if they don't I could get it for you. I work at an independent shop in MA and we work on merc bmw porsche land rover volvo . My e-mail is [email protected]
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