Mercedes W164 glow plug relay module repalcement

How to replace Mercedes benz ml w164 280/320CDI glow plug module relay

[@celebrinpaolo]

Hello! congratulations for the video! can you tell me if to change it you need to code it or not? Thanks

[@amalik456456]

Sorry for late replay ,You don't have to code it.

[@joserobertoportillo9179]

Thank you

[@sadder9531]

the controller it self is extremely bad designed
i can repair it for 3 USD
but it will be broken again and again as the problem is in the design of the controller it self by mercedes engineers