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  #1  
Old 07-12-2019, 06:47 PM
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Location: Toulouse, FRANCE
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Tow-away alarm on a W129

I have the alarm intenpestively triggering on my W129 SL500 dated 1999. The electronic diag said this is the Tow-away alarm. Do you know where the sensor for this tow-away alarm can be located? Thanks
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Old 07-12-2019, 07:01 PM
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The older cars had switches on the cars rear lower control arms, not sure if this applies to 99 or not. Also not sure what was used on the front.

If you have Xenon headlights there is a height sensor front and rear but I doubt this is used for the tow away system.

On my 97 SL320 I unplugged the anti theft module located near the gas fill in the trunk because the alarm would still trigger if I opened a door.
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Old 07-13-2019, 03:29 AM
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Thanks. I guess I will proceed with unplug the system as you did. How to distinguish the module from the others?
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Old 07-13-2019, 08:41 AM
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Quote:
Originally Posted by Florent31 View Post
intenpestively
???
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Old 07-13-2019, 11:45 AM
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Quote:
Originally Posted by ejboyd5 View Post
???
I'm taking that as " intermittently " or " Irrespective of the car being towed or not " .
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Old 07-13-2019, 11:48 AM
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Quote:
Originally Posted by Florent31 View Post
Thanks. I guess I will proceed with unplug the system as you did. How to distinguish the module from the others?

From what I recall, there are 2 modules at the gas fill area on my 97. One is for the remote unlock and the other for the anti theft alarm. If the 99 is the same as the 97, I'd unplug one at a time and see what happens.
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