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SL/R129: ECU Location?

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Old Nov 16, 2006 | 02:42 PM
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SL 500
ECU Location?
Sorry for the dumb question. I finally got a new ecu and I went last night to change it. I always guessed the ECU's were in the floorboard of the passenger seat. I removed the rug, then a black cover and all I see is more black covers. Can someone tell me tell me where it's located?

Thanks,
-d
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Old Nov 16, 2006 | 06:30 PM
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1999 SL500 Sport
I'll be interested in this as well. I'm considering a 'Speed Innovations' upgrade this winter...

Many mfg's put them in the engine compartment; However, there's probably a TCU (Tranny Unit) tied to it ?

Thanks,
Robert
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Old Nov 16, 2006 | 07:26 PM
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ecu is here:

Last edited by agentMurdoc; Nov 16, 2006 at 07:29 PM.
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Old Nov 16, 2006 | 08:42 PM
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Ex-cell-ent. Now, is there a TCU as well ?
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Old Nov 17, 2006 | 10:13 AM
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Originally Posted by agentMurdoc
ecu is here:

Thank you!
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Old Nov 17, 2006 | 10:14 AM
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Originally Posted by RobsCountach
Ex-cell-ent. Now, is there a TCU as well ?

I need to know also as I also got myself a TCU.
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