Method and arrangement for cylinder deactivation

A cylinder deactivation arrangement and method of cylinder deactivation for an internal combustion engine comprising a number of cylinders with at least one intake valve and at least one exhaust valve per cylinder. Each intake valve comprises merely two different lifting levels, wherein the cylinder deactivation arrangement comprises an even number of cylinders. A first set of cylinders constituted by half of the even number of cylinders have intake valves configured for fully opened and partly opened lifting levels and a second set of cylinders constituted by the other half of the even number of cylinders have intake valves configured for fully opened and closed lifting levels. The first set of cylinders have exhaust valves configured for fully opened lifting levels and the second set of cylinders have exhaust valves configured for fully opened and closed lifting levels.