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Q: Electrical system malfunctioning - 2005 Mercedes-Benz C55 AMG

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I’m having trouble with my electrical system, and my car has been doing some weird things. When I went to start it up yesterday my ignition would turn on and then turn off before I had a chance to turn the key all the way and start the car. Then the radio would stop playing through the speakers intermittently. But then it would come back on when I restarted the car. Sometimes the radio would quit working along with the gauge cluster needles and turn signals. But the light on the cluster stayed on. I turned on the radio and it worked, but I had to restart the car to get my gauges working again. Do you know what’s wrong here? Do you have any solutions?

A: Hello. The first thing I would check is to ...

Hello. The first thing I would check is to make sure that the battery is in good condition. A worn or old battery may not be able to properly power all of the accessories that your luxury vehicle is equipped with, and may cause them to malfunction as a result. A faulty voltage regulator or alternator can also produce similar symptoms. It may also be possible that there may be some sort of electrical issue, perhaps bad wiring. As electrical issue can often be difficult to diagnose, especially for luxury vehicles, I would recommend you have a professional technician inspect the electrical system so that this can be repaired properly.

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