The Mercedes C-Class looks swish and the diesels are very fuel efficient. There are roomier and more comfortable rivals, thoughget the best price
Trim: AMG Line Edition
This 191bhp diesel engine is our favourite in the range. It delivers its best performance low down, right where you need it, yet also returns impressive fuel efficiency. True, it’s quite noisy when it’s pushed hard, but it settles down when you’re just cruising along.