Hi all.

As stated in the title, I have a Euro model W124, a 250TD. The AC works, but is in fault mode (blinking EC light) a lot of the time. This is the air conditioning system, not the climate control system which most US models came with.

Does anybody know/ have the diagnostic procedure for it? Links to a video? Any help is appreciated.

Thank you.

When does the fault occur?

Or does it do that regardless of what you press?

I don't have a diagnostic procedure but it will help us to solve your problem.

It can randomly fix itself after considerable time, but most days when I start the car, the light is already blinking.