OPTIMAX Mercury Mariner
Owner Service Workshop Parts
and maintenance manuals
The Mercury Mariner OptiMax diesel has a
3.0 litre advanced drive head that has been
specifically mounted with a cylinder head
unique designed specifically for combustion
diesel fuel with a high cylinder performance
for maximum power and optimum operating quality.
The Mercury 150 OptiMax engine is a 60° V6
with a displacement of 507 cm3. It adopts the same
block that the engine manufacturer’s 135 and 175 hp
It’s a two-stroke direct injection which sends
the mixture at low pressure air-fuel in each cylinder.