2010 Mercedes-Benz CLS Class Review

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The Car Connection Expert Review

Marty Padgett Marty Padgett Editorial Director
September 28, 2009

The 2010 Mercedes-Benz CLS-Class is a drama queen of the nicest kind-only visibility and backseat space suffer in its presence.

TheCarConnection.com's editors have driven the Mercedes-Benz CLS and wrote this road test from hands-on driving impressions. TheCarConnection.com has also researched available road tests for the 2010 Mercedes-Benz CLS to provide a companion review of opinions from around the Web-to help you figure out which opinions matter when reviews differ.

With the 2010 Mercedes-Benz CLS, the German automaker succeeds with an unusual formula. They call the CLS a "four-door coupe"-a notion that seemed odd a few years ago when it was introduced. And yet today, the Benz CLS has inspired a raft of similar vehicles from automakers around the world, with its slimmed-down side view and its faintly French interior.

In retrospect, the "coupe" designation seems a little more acceptable; though it still has four doors, the CLS' profile is taut and elegant like a fine coupe. Last year's face-lift subtly improved the car's visage with a more dramatic two-bar grille and a slightly trimmed nose, along with LED tail lamps. Years after its launch, the CLS' silhouette still is quite fetching. The sheetmetal gives way to even more elegance inside, where the front seats are surrounded by veneered dash, doors, and console. Last year, the CLS adopted a new steering wheel and white-faced instruments, minor styling cues that didn't interrupt its antithetically Benz beauty.

The 2010 CLS-Class returns with two models. A standard CLS 550 is plenty urgent thanks to a 382-horsepower, 5.5-liter V-8 engine. The performance CLS63 AMG version amps up the numbers with an AMG-penned 6.2-liter V-8, a muscular 507 hp, and 465 lb-ft of torque. Both pour on power in seamless streams, with the AMG barking out a more guttural tone when it hits a 100-mph stride. In either trim, the CLS is no fuel sipper. Even though it's mated to a slick-shifting seven-speed automatic, the CLS 550 musters just 14/21 mpg. The five-speed automatic-equipped AMG edition drops even lower, to 14/19 mpg. In the CLS 550, power shuttles to the rear wheels, and ride motions are controlled by an air suspension that leaves something to be desired, dynamically. The well-balanced rear-drive chassis wants to be firmer, and the steering needs to be a little quicker to please traditional German car fans. If they opt up to the AMG edition, those handling problems are solved; the top version has firm but supple ride and steering feel, without much of a sacrifice in ride quality. In all, there's an appealing, luxuriant feel to the CLS that's the opposite of the taut, tightly drawn handling of a BMW 5-Series-or Mercedes' own E-Class, for example.

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High style incurs some sacrifice with the CLS, particularly in the backseat. The tapered roofline cuts marginally into headroom in the front, much more so in the back. Heated and ventilated front seats pocket passengers deeply behind a tall dash that cuts down on visibility straight ahead. Looking back, the thick rear pillars obscure rear views. There are twin bucket seats in the back, and they're very cozy-but headroom is at a premium and the CLS' shape draws the roof and windows in close to rear-seat passengers, which could feel claustrophobic to some.

Neither NHTSA (National Highway Traffic Safety Administration) nor the IIHS (Insurance Institute for Highway Safety) has crash-tested a CLS-Class Mercedes. Both versions are outfitted with dual front, side, and curtain airbags; anti-lock brakes; traction and stability control; and a Pre-Safe collision preparation system that tightens seatbelts when sensors indicate an imminent accident.

The luxuriously trimmed 2010 CLS also comes with a lengthy list of standard features. Satellite radio, Bluetooth connectivity, a Harman/Kardon audio system, and an iPod interface are included on each CLS, along with such options as adaptive cruise control and a set of sensors to assist with parking.

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