M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

BAS/ESP light help

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Old Oct 17, 2008 | 01:52 AM
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CLK W208
BAS/ESP light help

hi everyone. my mother owns a 2000 ML320 and her BAS/ESP light has been for a wile, i did some searching and mny people said that this light comes on due to a faulty brake switch. well i bought a brake switch from the dealer today and installed it and the light came back on after 3 mintues. can anyone help me with this? is there a reset that needs to be done or something? any help is greatly appreciated.
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Old Oct 20, 2008 | 09:34 PM
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Thanks for all the help!
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Old Oct 21, 2008 | 10:12 AM
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Originally Posted by VIPclk320
Thanks for all the help!
You are so sarcastic that I for one will not even attempt to assist you and I know the answer!!
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Old Oct 22, 2008 | 12:24 AM
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Originally Posted by sosh
You are so sarcastic that I for one will not even attempt to assist you and I know the answer!!
Thank you for your kindness, by the way that was a thank you to all the PMs that i received.
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Old Dec 4, 2008 | 08:00 AM
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All, my light comes on sometimes too, very randomly, and I need to know what the fix is. Interesting to note that when it's on cruise control doesn't work.
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Old Dec 5, 2008 | 01:44 AM
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I bet sosh feels like an idiot now, so what was the fix? Could you share it with us? PM me if you wish...

Last edited by df666; Dec 5, 2008 at 01:49 AM.
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Old Dec 5, 2008 | 10:20 AM
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I too have this problem and would appreciate any help.

Thanks.
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Old Dec 26, 2008 | 04:26 AM
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Mine is coming on Intermittently nowadays, I just restart my car, and it disappears, probably comes on 4. out of 10 time when I'm Driving.

Sosh, Please help......
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Old Dec 29, 2008 | 06:16 AM
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ML320
I have a 2001 ml320. The bas/esp light coming on as you know is a very common problem.

I have read all the posts on it as it has come on and off intermittently over the last year or so.

It came on a few days ago, and the car lost power and the ml brakes by itself. Very scary stuff when it happens.

All the garages are closed untill janury 2nd for the holidays here so i am hoping to get a little help here.


1) I have checked the break light switch as suggested and as i cant get a replacement till 2nd january i sprayed soem wd40 on it to loosen it up and seem to be working fine.

2) When the car brakes and loses power by itself, if i turn the ESP off it doesnt seem to happen, but with the esp off when i brake it brakes very dangerously and the it brakes and skids to the right.

3) The problem only seems to occur on long journeys (6 hours plus).

Any ideas what it may be? I have checked the brake sensors, all look fine. and is no 2 above norml with ESP off?

many thanks in advance-i am desperate for any more info!
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