The hardcore Mercedes-Benz E63 AMG isn't the only E-Class model that gets a new heart for the 2012 model year. According to our sources within Mercedes-Benz, both the E350 and E550 models will receive new powerplants currently found elsewhere in the automaker's lineup.
The base E350 will now be powered by the automaker's new 3.5-liter V6
with direct-injection, an engine that we recently tested in the C350 sedan and SLK350
roadster. Rated at 302 horsepower and 273 pound-feet of torque, the new
engine provides power increases of 14 hp and 15 lb-ft over the current
V6, while the use of direct-injection and a seven-speed automatic
transmission will no doubt return improved fuel economy.
Moving along, the eight-cylinder E550 will ditch its naturally
aspirated 5.5-liter V8 in favor of a twin-turbocharged 4.6-liter unit
with direct-injection, currently found in the CL550 coupe. In the E-Class, this engine will be good for 402 hp and 443 lb-ft – improvements of 20 and 52, respectively.
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