I started the car up this morning and all of the interior dash lights are on....

check engine, oil low, gas tank empty, bad light bulb, fog lights etc....

They are all stuck on.

Any ideas? It just suddenly happened this morning.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

Alternator not charging.

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84 500 SEL (307,xxx miles)

ps2cho, the voltage regulator brushes are probably worn down to the point that the alternator isn't recharging the battery properly. Remove the 2 screws that secure the voltage regulator to the back of the alternator and check the brushes. Removing/replacing the voltage regulator is an easy DIY job.

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Fred Hoelzle

This could have something to do with your post below re.: Misfire.

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2007 C 230 Sport.

A 580 watt audio system would use 50-60 amps when operated in "head-banger' mode.

I think the car has a 70 amp alternator if my memory is correct.

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98 Dodge-Cummins pickup (123k)
13 GLK250 (135k)
06 E320CDI (323K)
16 C300 (62K)
82 300GD Gelaendewagen (54K)

This sounds to me like a ground issue.

I had a similar issue on my BMW. I fixed the loose ground and the problem went away.

On my 300SD the gound is a brown wire attached to a post under the instrument cluster. Try pulling the clustger and checking for any loose brown wires. I would also check the ground strap for the body, engine and the negative post on the battery.

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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
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'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
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'92 Subaru
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