traction control

Hi, I've had my C-Class Estate (C250 BlueEFFICIENCY Sport 5d Auto) since spring, so haven't driven it in Winter yet. I check the tyre pressures regularly. The car handles very well in the dry, but on wet roads, the traction control kicks in readily when entering/exiting a roundabout whilst...

Enjoying the welcome so far but facing a few fault codes which I would be grateful for help with! The first and most important relating to the Traction/ABS switching itself off at random, more frequently in the rain than otherwise. Codes are C1140 Steering Angle Stored sensor N49 and...