S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

electrical problems

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Old Jul 27, 2009 | 04:12 AM
  #1  
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skd
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2007 S350L
electrical problems

I have been experiencing the following problems in my s class in the past month.

1. all lights have a slight flicker when they are turned on.. footwelll, back and front lights. (headlights DO NOT FLICKER)

2. the music will cut out at random times for a split second then come on again.

does anyone have an idea of the cause of these problems?

thanks
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Old Jul 27, 2009 | 04:11 PM
  #2  
AustinGuy's Avatar
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From: Paradise (a.k.a. Austin, TX)
'09 S63 AMG
Originally Posted by skd
I have been experiencing the following problems in my s class in the past month.

1. all lights have a slight flicker when they are turned on.. footwelll, back and front lights. (headlights DO NOT FLICKER)

2. the music will cut out at random times for a split second then come on again.

does anyone have an idea of the cause of these problems?

thanks
this is a W221 board. Looks like you're driving an older model.
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Old Jul 27, 2009 | 06:55 PM
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2007 S600
Yes. It looks like you need to step out, go down the hall, take first door on the right into the W220 forum. They can be of better help.
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Old Jul 27, 2009 | 09:17 PM
  #4  
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2007 S350L
I have got a W221... the information is wrong on my profile.

I would appreciate any help you can give me!
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Old Jul 27, 2009 | 09:40 PM
  #5  
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From: Calgary Alberta Canada
2001 Mercedes CL500 2006 E350 4-matic
I had a similar problem with my radio, cd and telephone connection. I found some of the fuses had a bad connection - removed the fuses, reinserted them, now I have no problem..Might be worth a try...
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Old Jul 27, 2009 | 10:11 PM
  #6  
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2007 S600
Originally Posted by skd
I have got a W221... the information is wrong on my profile.

I would appreciate any help you can give me!
Ooops. Sorry about that.
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Old Jul 27, 2009 | 10:13 PM
  #7  
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Originally Posted by calgary
I had a similar problem with my radio, cd and telephone connection. I found some of the fuses had a bad connection - removed the fuses, reinserted them, now I have no problem..Might be worth a try...
You might have simply rebooted everything by doing that. Possibly disconnecting and reconnecting the battery might have done the same thing. Who knows. These rolling computers can be difficult to diagnose.
Batteries sometimes need early replacing and can trick every system onboard.
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Old Jul 27, 2009 | 11:45 PM
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2007 S350L
Originally Posted by trumpet1
You might have simply rebooted everything by doing that. Possibly disconnecting and reconnecting the battery might have done the same thing. Who knows. These rolling computers can be difficult to diagnose.
Batteries sometimes need early replacing and can trick every system onboard.
do you think there is a problem with current flow?? but i cant see why this would be if the headlights, command screen or driving cluster screen are not affected
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Old Jul 28, 2009 | 02:42 AM
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Originally Posted by skd
I have got a W221... the information is wrong on my profile.

I would appreciate any help you can give me!
Is it an S350 anyway? In this case it is not a US car and could have been a MY 2006 W221, even a build date 2005 W221 (or V221 in this case).

It does not sound like a fuse for this new car and if it affects several different lights. Sounds to me more like the alternator regulator issue or then some sort of a big consumer in the car that should not be there or should not behave like it does.

Xenons have a ballast that makes it tolerable for input voltage changes.
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Old Jul 28, 2009 | 02:49 AM
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2007 S350L
Originally Posted by Diesel Benz
Is it an S350 anyway? In this case it is not a US car and could have been a MY 2006 W221, even a build date 2005 W221 (or V221 in this case).

It does not sound like a fuse for this new car and if it affects several different lights. Sounds to me more like the alternator regulator issue or then some sort of a big consumer in the car that should not be there or should not behave like it does.

Xenons have a ballast that makes it tolerable for input voltage changes.
you are correct with the build date, done in 2006. i have not added anything to the car, but in any case i will take it to the dealer latter this week. Seems like there is nothing i can do about it.
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