Emissions and Road Tax

[Noodle-Pulp]

Not pointing anywhere in particular but I've recently found a couple of websites that put my W203 C230 Evo Panorama (auto) CO2 emissions at 222 g/km - the DLVA Road Tax calculator puts it at 229 g/km.

Can anyone tell me which is correct - because it's possible I'm paying too much road tax (and about 20,000 other drivers in the UK).

Thanks!

 

[lil.smartie]

What does your certificate of conformity say, that's the car's birth certificate & whatever that says is correct. Also V5c what's on there cos that's what the dealer registered it as & what you are paying!

Kate

 

[Noodle-Pulp]

Also V5c what's on there cos that's what the dealer registered it as & what you are paying!Kate

Good point Kate - it is 229 g/km on there.
Thanks