W205 nox sensor

dzaboka

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Jul 2, 2020
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Your Mercedes
W205 C220 2.2 2017
Hello,

Firstly sry if i repost this :rolleyes:

W205 c220 2.2 Diesel 4m 2017

After runing a computer check (cause of engine Light) we get the following error as on the photo attached.
It cleraly has something to do with nox2 sensor. Tho as they are not that cheap i'd like to ask if someone knows abit more on this.
Is replacing the sensor the only solution? Is it the best to buy the original one? Do i need to replace both? Can it be replace by non MB serviser? Does it need to get programed or does the car do it by it self?

Tnx for ur help
 

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Steve@Avantgarde

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Bristol/Somerset
Website
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Your Mercedes
E300 Coupe AMG Line PP/NE, SLR McLaren Roadster, SL55 & C32AMG
Yes you need to replace both and you to update the engine control unit software to go with it, but do try getting them under warranty goodwill with MB.
 

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