What engine size is an MERCEDIES E320 DIESEL?
The Mercedes E320 diesel is equipped with a 3.2-liter V6 engine. This engine produces 210 horsepower and 376 pound-feet of torque. It is paired with a seven-speed automatic transmission and has a top speed of 130 mph. The E320 diesel has a fuel economy rating of 25 mpg city and 31 mpg highway.