Car and Driver road test numbers for the W218 2012 CLS550 with the M278 twin turbo V8 almost equal previous gen CLS63 AMG
Published on 07-15-2011 12:25 AM
The new M278 twin turbo V8 powered Mercedes vehicles are going to have a lot of the previous generation 63 AMG owners scratching their heads when they can't pull away from them at a stoplight. The new 550 models are just about as fast as the previous M156 based 6.2 liter naturally aspirated V8's. Case and point, Car and Driver hit 12.8@112 in the 2012 CLS550. In the 2007 CLS63 AMG, they hit 12.6@114. Oh, the new CLS550 is also lighter by almost 200 pounds than the previous generation W219 CLS63 AMG.
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