[salliemohamed]

Hello all hope all well I have a w204 c180 2012 come in for abs mod
ule failure after replacement and coding client complaints that the ECO is not functioning 

I tried to activate the ECO button but on dash it only turns yellow I believe it must go green how can I sort this out thank you oh and client says it worked before

[Key1]

any dtc?
do you really trust in customer?
rule number 1! never trust customer

[BabeH]

Hello all hope all well I have a w204 c180 2012 come in for abs mod
ule failure after replacement and coding client complaints that the ECO is not functioning 

I tried to activate the ECO button but on dash it only turns yellow I believe it must go green how can I sort this out thank you oh and client says it worked before

Assume that you haven't change any coding in other modules,
Have you do coding in ESP correctly ?