METHOD OF OPERATING A COMBUSTION ENGINE, COMPUTER PROGRAM, COMPUTER-READABLE MEDIUM, CONTROL ARRANGEMENT, COMBUSTION ENGINE, AND VEHICLE

A method (100) of operating an internal combustion engine (1) is disclosed, the internal combustion engine (1) comprising a plurality of cylinders (c1 - c5). The method (100) comprises the steps of operating (110) a first set (s1) of cylinders (c1 - c3) in a compression release mode, operating (120) a second set (s2) of cylinders (c4, c5) in a motoring mode, and initiating (130) operation of a power mode of the second set (s2) of cylinders (c4, c5) upon receipt of a compression release mode deactivation demand (Cbd). The present disclosure further relates to a computer program, a computer-readable medium (200), a control arrangement (21), an internal combustion engine (1), and a vehicle (2).