Electrical Issues With a 2002 S430 - Mercedes-Benz Forum

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post #1 of 6 (permalink) Old 08-06-2008, 11:35 PM Thread Starter
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Unhappy Electrical Issues With a 2002 S430

A little background first. A week and a half ago I brought my s430 in to the MBZ dealer in San Diego because of an airmatic issue where the compressor was not turning off. They said that if the compressor were to continue running it would sieze and have to be replaced. I asked if they could disconnect the battery to potentially save the compressor. Long story short they did and still had to replace the compressor. They also had a recall on the instrument cluster which they replaced. One week and $2K later I have a car that is completely screwed up from an electrical standpoint. My wife came home and said that there were issues with the car. The rear lights would not turn off and the instrument panel was displaying an SOS message along with an instrument cluster error message. I looked in the trunk and lo and behold the mechanic never connected the positive battery lead. It was sitting on the positive terminal. We are hearing weird noises from the entire car. There is a smell of electrical burning, and the lights are flickering. Oh yeah the trunk closes manually but does not auto tighten. Basically it is a complete mess.

Uhhhh...... Apart from the obvious awkward call to the dealer does anyone have a clue what to do? Should I be calling 1 800 lawyer?

Thanks for any advice.

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post #2 of 6 (permalink) Old 08-07-2008, 06:32 AM
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it could be a crap luck type of thing.
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post #3 of 6 (permalink) Old 08-07-2008, 06:53 AM Thread Starter
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I know that is what they are going to say and I do not buy it. They also replaced a voltage regulator. I know it is a minor replacement, but that combined with replacing an instrument cluster and not connecting a positive battery lead and having it bounce up and down off the terminal when driving leads me to believe it was something they did.

Since I noticed a strong electrical smell it leads me to believe there was a short.
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post #4 of 6 (permalink) Old 08-07-2008, 10:39 AM
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I wouldn't call a lawyer yet. Take the car back to that dealer, describe your symptoms and casually mention that you found the battery terminal disconnected (better chance of avoiding a confrontation). You should have a 12 month/12,000 mile warranty on the work they did and parts replaced.

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post #5 of 6 (permalink) Old 08-07-2008, 11:13 AM
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Serious electrical issues on a fine quality Chrysler S430? Stop me if I've heard this one before.....

Sell the car while you are still ahead. It's only going to get more expensive as more and more things continue to fail.
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post #6 of 6 (permalink) Old 08-07-2008, 10:03 PM
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It does look like your workshop isn't the best possible one but like MM suggested, you should give them a try to fix what they screw up, they would be allowed to do that anyway and you would not get any monetary compensation with your lawyer (you would have to pay him to take the case).

I understand so far they have not even tried to refuse fixing the car.

A loose battery wire could easily mix computers. As long as those are just confused, its not bad but the smell isn't good, unless it comes from the loose battery lead.

At least they tried to take care of the car, including the minor issue on the cluster that was fixed by replacing it with a new one. Hopefully it was just a bad day for them.
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