The invention relates to a closing system for a door or a flap of a motor vehicle and comprises a lock, a door handle affixable to the door and fitted with an external grip element with a centralized locking motor linked to a control unit and operationally connected to the lock, whereby the closing system can be moved into a secured and into a disengaged state, and also comprises an opening motor acting as an opening accessory and/or a closing motor acting as a closing accessory for the lock. The invention provides that the door handle be associated with a handle support which is configured internally on the side away from the grip element and which affixes the door handle to the door, said opening motor and/or the closing motor as well as the centralized locking motor being mounted on the handle support, where said opening motor and/or the closing motor as well as the centralized locking motor are connected directly, or indirectly by means of at least one force transmitting element, to the lock 3.