C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Replace missing ecu W203, C200 Compressor

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Old Dec 21, 2017 | 01:37 PM
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W203, C200
Replace missing ecu W203, C200 Compressor

Hi.
W203 missing ecm, found a used one, is it possible to use it on this car, does it need programming before trying it ?
Vin WDB2030451A012511
Engine no.:111955 12 003488
Transmission:722616 02 169266 [transmissionType = GA]
Used Ecu :

Last edited by Trash_man; Dec 21, 2017 at 03:33 PM.
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Old Dec 22, 2017 | 10:55 AM
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2006 E55, 2012 GLK350 & 1992 190e sportline
doubtful. where/why did you buy a car with no ecu?
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Old Dec 23, 2017 | 02:19 PM
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Yes you can but you will need to make it virgin first. Then teach in drive authorization
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Old Dec 24, 2017 | 06:44 AM
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Originally Posted by Russell Ormerod
Yes you can but you will need to make it virgin first. Then teach in drive authorization
how does one go about this?
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Old Dec 24, 2017 | 07:24 AM
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Read the flash and make it virgin.
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Old Dec 26, 2017 | 10:52 PM
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Originally Posted by insame1
how does one go about this?
You will need to use a computer and flashing software. Make the unit think it is fresh from the factory, aka a 'virgin'. From there, flash the software onto it, and plug it in. Should be working properly.
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Old Dec 27, 2017 | 08:29 AM
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You both talk about this like anyone can do it. What computer do you need. What software?

This is not a DYI project. You need to have a live connection on STAR to even consider this.
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Old Dec 27, 2017 | 09:26 AM
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Who said its a DIY, if you don't have the ability or tools to do it then don't touch it, we just saying what needs to be done! Open ECU desolder flash, read it, edit the bin file, solder it back, fit it to the car, then use xentry to personalize drive authorization then activate ecu so it's locked to vehicle, check and change variant coding if necessary, clear learnt values, adapt throttle position, all done.
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