Mercedes Benz

Fuel System/Engine - Injection/Induction System Cleaning SI M13 01 07 Fuel Systems June 2011 Technical Service This Service Information bulletin supersedes SI M13 01 07 dated August 2010. [NEW] designates changes to this revision SUBJECT Fuel Injection and Induction System Cleaning MODEL R50 (Cooper) vehicles equipped with W10 engine R52 (Cooper and Cooper S) vehicles equipped with W10 and W11 engines R53 (Cooper S) vehicles equipped with W11 engine R55 (Clubman) vehicles equipped with N12 engine R56 (Cooper) vehicles equipped with N12 engine R57 (Cooper Convertible) equipped with N12 engine SITUATION Deposits found in the injection and induction system may cause the vehicle to experience a variety of drivability complaints, eventually leading to the Service Engine Soon lamp to be illuminated. Some of the possibilities are listed below. Fuel Injectors Deposits at the fuel injector's tip can impact fuel flow, disturbing the air/fuel mixture ratio. Symptoms are the following: Hesitat...