daibevan
Senior Member
- Joined
- Sep 29, 2015
- Messages
- 1,518
- Reaction score
- 1,152
- Location
- Alltwen, Pontardawe
- Your Mercedes
- W203 C200 Kompressor Elegance SE 2006 Tanzanite Blue with cream interior
In the past at mot time my hydrocarbons were always low and my CO was always zero. Last year after no trips over 30 miles and most under 3 my both were quite high. This year I managed a 400 mile round trip two weeks before the test. Hydrocarbons low and CO back to zero. These cars need driving.