mercedes nox sensor fault

Good morning all, I am new here, based in the South West, I've always wanted to own a C-Class and was fortunate enough to be able to purchase a 2.0l Petrol one recently. Took collection last week, however after driving away the EML flashed back up (I've had previous cars do that anxiety...

Hi everyone Iam new to this. Has anyone experience this problem with new type Mercedes the knots sensor. Iam so angry with Mercedes as my car just over the 3 years by a few months and only done 35 thous miles with Mercedes history and they don’t want any thing to do with it and basically said...