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Which ECUs are coded to the vehicle?

Furno

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Joined
Mar 18, 2011
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21
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ML350
This question is specifically for a W210 E240 (2002) but the same question for other Mercs may help others.

Can anyone tell me of all the ECUs on the car which ones are actually coded to be specific for that vehicle - i.e. - can't be swapped over from another car without recoding (lets leave the whether recoding is possible debate out of this post)? I assume (perhaps wrongly) that ECUs like the door control modules are not specific vehicle coded and can easily be swapped from other cars.

Many thanks.

Steve
 
The door modules on my 2009 W169 A-Class were not coded to the vehicle and I was able to get used ones off ebay to retrofit folding mirrors.
 

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