SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: TPMS sensor problem

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Old Feb 14, 2010 | 10:30 AM
  #1  
jimmymac's Avatar
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2007 sl550
TPMS sensor problem

I replaced my factory wheels and tires with new aftermarket ones. The price the seller quoted for new Mercedes TPMS sensors was expenses so I asked for an alternative. He had Mercedes 315Mhz TPMS sensors that he had removed from another SL550 and he offered them I agreed. The new tires and wheels are on but I can not get the TPMS sensoprs to hook up with the car. The error message is "Tire pressure monitor inoperative. No wheel sensors". I had a flat on one of the tires so I checked the TPMS when the tire was replaced and it is indeed a Mercedes unit at 315Mhz.

Does anyone know what I need to do to sync the sensors with the car? I looked in the owners manual but the instructions don't apply with the error message I get. Any suggestions?
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Old Feb 14, 2010 | 05:29 PM
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andy_meng1024's Avatar
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2003 SL55, 2010 C63
Usually TPMS sensors need to be reprogrammed so your ECU knows it's there.
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Old Oct 7, 2018 | 04:30 PM
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2016 sl550
TPMS PROBLEM 2016 SL550

Im having an issue getting my new sensors to read and hook up to the car. Getting error message that says I have none. Just put new wheels on, that have MB sensors in them. Anybody know how to resolve this issue. Drove the car for a bit hoping it would recognize them but no luck.
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Old Oct 7, 2018 | 11:26 PM
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Originally Posted by ultra88
Im having an issue getting my new sensors to read and hook up to the car. Getting error message that says I have none. Just put new wheels on, that have MB sensors in them. Anybody know how to resolve this issue. Drove the car for a bit hoping it would recognize them but no luck.
You're in the wrong forum - you have an R231. Go here:

https://mbworld.org/forums/sl-class-r231-159/

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