Hi, am tony based in kenya and I have this merc wdd 212 diesel which the cooling fan goes on as soon as you start the car there are no dtc on it I have everything but the problem won't go kindly anybody there assist.
The items you mentioned are all okay even the Ac module the Cdi Module but the fan still runs full blast after about 15sec after starting the car what do you think could be causing this anybody your assistance will be highly appreciated.
Its a long relay about twice the length of a normal 4 pin relay and as a rule they are on the front bulkhead hope this helps mate they were a real problem at one time best of luck Bri