MR vehicles include:
• Trucks and buses with a GVM more than eight tonnes and two axles
• Any towed trailer must not weigh more than nine tonnes GVM.
1. Have held a class C licence, (except a learner licence) or equivalent for one year or more. Any time you've spent on a P1 licence counts, but you can't practice to drive an MR vehicle, or upgrade to an MR licence until you hold a P2 or full class C licence
2. Pass the MR knowledge test
3. Pass an eyesight test