2014 Mercedes-Benz M Class Photo
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On Performance
$31,995 - $64,888
On Performance
The ML63 AMG is a blast on-road; most other M-Class SUVs have moderate off-road capability.
8.0 out of 10
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PERFORMANCE | 8 out of 10

Expert Quotes:

feels massive, a little slow-witted, and somewhat resistant to course corrections
Car and Driver

a $58,365 gas-powered ML offered more giddyup and go
Popular Mechanics

the diesel has none of the gas V6's high-rpm bravado, but you don't have to wait around for torque

The sport setting on the M-class chassis does a fantastic job of keeping the vehicle flat through corners and seems to all but eliminate dive under hard braking.

Looks can be at least a little deceiving here. While the 2014 M-Class may appear tough enough to spend time off-road, it's actually happiest when it's treated like a luxury sedan. Its roadhold is confident, handling is secure, and the powertrains are willing and responsive.

In this generation of M-Class, Mercedes-Benz has fixed many of the attributes that we thought of as undesirable in the previous generation--leaving what's a very pleasant vehicle to drive, even on a curvy road. The new electromechanical steering is superb; it doesn't quite have the dead on-center heft that some former M-B systems have had—as well as the remote feel that, puzzled as we might be, the brand had considered a desirable trait—but that's fine. You'll find handling secure and confident, and the variable-ratio rack is handy for parking. A vague brake-pedal feel is our only complaint—though the brakes can haul this big ute down from autobahn speeds with total confidence.

Some customers will still expect the off-road ability to be here, so Mercedes-Benz hasn't dumbed that down too much or lightened the M-Class' towing or basic trail ability. The all-wheel-drive system's electronic, stability-system-linked 4-ETS torque distribution can send nearly all engine torque to whichever single wheel can use it. The suspension is also remarkably versatile for a combination of on-road use or off-roading. Opt for the off-road package, and you get an automatically detaching roll-bar system.

The base V-6 engine in the M-Class, a 3.5-liter, 60-degree V-6, was completely new last year, and we think it's one of the best V-6 luxury engines. Power is at 302 horsepower, and torque is at 275 pound-feet, and this engine has a nice even powerband to feel sprightly from a standing start or when pressed to pull off a quick pass. It works in concert with the seven-speed automatic transmission and sings all the way up the rev range with no rough edges.

ML 550 models include a stronger, direct-injection 4.6-liter V-8 that makes 402 hp and 443 pound-feet of torque; but our favorite 2014 M Class model remains the ML 350 BlueTEC. If 'wafting' up to speed easily (without downshifts) on the highway, cruising effortlessly near triple digits, and getting gas mileage that won't place a frown on the faces of your more earth conscious friends are all priorities, you'll find this model the best fit, too. M-B has reworked this engine, too, to make 240 hp and 455 lb-ft of torque.

At the top of the range is the ML 63 AMG, which comes with a 5.5-liter biturbo V-8 making 518 hp and 516 lb-ft. Other upgrades include five-spoke, 20-inch AMG wheels, and if you opt for the AMG Performance Package you'll have 550 hp and 560 lb-ft. 

With a tow rating of 7,200 pounds, the M-Class is a very capable tow rig, too—especially in torquey BlueTEC guise.


The ML63 AMG is a blast on-road; most other M-Class SUVs have moderate off-road capability.

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