Frank Aukofer
JSONLINE
Only a slight diesel clatter near the front of the car gives a clue to the engine. The urea used to reduce nitrogen oxide emissions is carried in a seven-gallon tank designed to be replenished at the same time as a periodic oil change.
Bob Golfen
AZCENTRAL.COM
Engine performance is attributable to a swarm of technologies, including high-pressure common-rail fuel injection and BlueTEC, which uses an oxidation catalyst and particulate filter that eliminates space for a spare tire, requiring that ML use pricey run-flats.
Tom Incantalupo
NEWSDAY
I saw highway averages nudging 30 m.p.g. in my week with the tester. The EPA gives all three gasoline and diesel ML’s an air pollution score of 6 on a scale in which 10 is best.
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See related story, “Mercedes singing the BlueTEC with ML,” Rides section, Page 1
