The M-Class Special Editions both take their motivation in the form of BlueTEC efficient engines. The 250 BlueTEC puts out 204hp and 369lb-ft of torque and has a combined fuel consumption of 44.8mpg and CO2 emissions of 165g/km. The 6-cylinder 350 BlueTEC is rated at 258hp and 457lb-ft of torque, has a combined fuel economy of 39.2mpg and has CO2 emissions of 189g/km. The Mercedes-Benz M
-Class Special Editions begin pricing at £43,235 for the 250 BlueTEC and £46,335 with the 350 BlueTEC. Mercedes says that if you order before June, you can save £1,380 on the German's COMAND Online internet connectivity system and pay only £750.