SL-Class (R129) 1990-2002: SL 280, SL 300, SL 320, SL 500, SL 600, SL 60 AMG

SL/R129: ASR & ABS Lights are ON

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Old Feb 1, 2011 | 01:36 PM
  #1  
Old Timer II's Avatar
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From: Cape May County
1996 Sl 320
ASR & ABS Lights are ON

It's a 96 SL320... out of the blue both the ASR and ABS lights came on...
They will be off upon initial start up but then after a couple of revolutions they come back on...
I've been driving it like this for a while now and thinking I need to get to the bottom of it...
I can't seem to find an OBD II connector in the car to see what's going on there...
Any suggestions are greatly appreciated...
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Old Feb 1, 2011 | 03:35 PM
  #2  
boydm's Avatar
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From: Georgia
1998 SL500, Pano, Black/Black
OBD II connector is in driver's foot well, above where your right leg will be - about in line with the accelerator pedal. It is behind a black plastic door that flips open.
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Old Feb 1, 2011 | 07:29 PM
  #3  
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From: Cape May County
1996 Sl 320
Great... thankyou... I'll be checking it out... makes me think I have a wheel sensor mal function at one of the rear wheels...

At times the lights will be off for a short period of time then... hit a bump and they both come on...

thank you
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Old Feb 17, 2011 | 05:42 PM
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prathermj's Avatar
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From: Houston, Texas
1995 SL500, 2008 GL450, 2005 G35
If your speedometer stops working when the ABS/ASR lights come on, then it is probably the left front vehicle speed sensor that is the problem. Either way, I would pull the left front VSS and clean it. It is merely a magnet and collects metal shavings that impede its ability to function properly.

Also, pay attention to if the ABS/ASR lights come on when you first touch the brake. If so, then it might be the stop lamp switch.

But, as always, pull the codes.
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