Where is the engine serial number located in ML 500 model 2002 Benz car?
under the car hood in the back on a metal plate
The year model for Mercury outboards is determined by serial number and horsepower. A certain serial number range is produced for each year, and by comparing the serial number, along with the horsepower of the engine, to a year model chart, the year model can be determined. The year model for the 9.8hp listed above is 1980.