Integrated Starter Generator Control Unit Replacement on a Mercedes S-Class W222 (M256.9): A Guide

This video describes the process for removing the integrated starter generator from Mercedes S-Class W222. It includes instructions for disconnecting the ground line of the 12-volt battery, removing the exhaust pipe and gasoline particle filter, draining the coolant from the low-temperature circuit, and removing the catalytic converter, heat protection plates, bracket, coolant lines, cables, and terminal box cover. The video also includes instructions for protecting the catch spring on the coupling, and for replacing seals and reconnecting electrical connections. This process is technical and requires a certain level of mechanical skill, as well as access to specific tools and equipment. It is useful for mechanics or technicians who are working on repairing or upgrading a vehicle&electrical system, or for car owners who have experience working on cars and have access to the necessary tools and equipment.