What w204 do I have?

[GTC220CDI]

So I'm looking at getting a part, a dpf pressure to be exact.
I'm looking for my model of car, I have a 2011 w204 c220cdi ed125 (I don't know what that is) blue eff sport wagon

I scroll down the list of c2** and I can only find c220cdi 08> 204.002
What is the 204.002? Because there's a c220cdi 07> with a different number.

So I'm a bit confused, I believe I have the 170bhp too.

Any help would be greatly recieved

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[markjay]

It will be the digits 4, 5, and 6 of your VIN.

E.g: VIN WDD2040312Axxxxxx - The model is 204.031

And, if type in your VIN number here:

Checking VIN for Mercedes-Benz | CARInfo

And it will tell you what variant you have and other info.