Overview & Reviews
While Mercedes-Benz will always be a quintessentially German automaker, its M-Class SUV has always been an American at heart. To begin with, it's built in Alabama and has been since it first burst onto the scene as one of the first luxury SUVs. The U.S. of A is also the M's primary market, as its sizable dimensions and mostly thirsty engines play much better in Frankfort, Kentucky, than they do back in Frankfurt, Germany.
Regardless of its origins, however, each generation of the Mercedes-Benz M-Class has been better than the last. This is especially true of the second generation, which replaced the original model that soldiered on through eight years of subpar reliability and build quality. As such, used shoppers are urged to consider the M-Class from 2006 and later. If you're interested in a newer model, however, the latest, third-generation M-Class is a subtle evolution of the previous one, upping the ante with even more power and features.
Although it's undeniably a solid choice for a midsize luxury SUV, there are many worthwhile and less expensive competitors in the premium SUV segment. As such, it's certainly worth a look around before you settle on this Germanic American.
Current Mercedes-Benz M-Class
The Mercedes-Benz M-Class midsize luxury SUV's exterior styling strikes a balance between traditional M-Class cues and the latest ones from the Mercedes-Benz line. As always with a Mercedes, however, it's the quality of construction and all-around feeling of solidity that make it stand out. Other key strengths include its diverse engine lineup, comfortable seating and excellent brakes. With only five seats, however, it's less family-friendly than some rivals that offer third-row seating, and its price can be considered quite expensive.
The current M-Class is available in four different trim levels defined by their engine: ML250 Bluetec, ML350, ML400 and ML63 AMG. All come with a seven-speed automatic and all-wheel drive ("4Matic") except for the ML350, which can be had with either rear- or all-wheel drive.
Under the hood, the ML250 Bluetec has a turbocharged 2.1-liter four-cylinder diesel with 200 horsepower and a healthy 369 pound-feet of torque. The ML350 comes with a 3.5-liter V6 that produces 302 hp and 273 lb-ft. The ML400 features a turbocharged 3.0-liter V6 that produces 329 hp and 354 lb-ft.
A beast apart from the rest of the lineup is the powerhouse ML63 AMG that boasts a turbocharged 5.5-liter V8 with 518 hp and 516 lb-ft. Output is even greater -- at 550 hp and 560 lb-ft – if you opt for the AMG Performance package. The ML63 AMG also includes active roll stabilization, sportier suspension and steering tuning, 20-inch wheels, stronger brakes and special interior trim.
All M-Class models come similarly equipped with standard items like a sunroof, a power liftgate, heated power front seats, the latest COMAND electronics interface, Bluetooth and an emergency communications system. Optional highlights include a panoramic sunroof, keyless ignition and entry and "multicontour" front seats with massage functions. The On/Off Road package is notable for its adaptive air suspension (that improves both ride and handling qualities) as well as its two-speed transfer case, six-mode terrain selector and underbody skid plates.
In reviews, we've been impressed by the Mercedes-Benz M-Class' brisk performance and strong brakes. Handling is confident enough around corners, but the electrically assisted steering is a little too light in effort and lacks the subtle feedback we've come to expect from Mercedes-Benz. Interior quality is excellent, as expected, though the more rounded dash design reminds us more of the distantly related Jeep Grand Cherokee in its appearance than its squared-off Mercedes siblings. Overall, the M-Class is solid choice for a luxury SUV, but as there's so much to choose from in this segment, taking a look at a few different competitors as well is a good idea.
Used Mercedes-Benz M-Class Models
The current third-generation Mercedes-Benz M-Class debuted for 2012. The following year brought the optional On/Off Road package (replacing the Dynamic Handling package) as well as the massage functions for the front seats.
Note that these M-Class models differed from today's lineup in terms of a few engine offerings. Specifically, compared to the current ML250 Bluetec, the 2012-'14 ML350 Bluetec had a more powerful but less fuel-efficient turbodiesel V6 with 240 hp and 455 lb-ft. Also available those first three years was the ML550 with its 4.7-liter turbocharged V8 good for 402 hp and 443 lb-ft.
The previous, second-generation M-Class was produced from 2006-'11. Though similar in appearance to the current model, this M-Class differs in its engine choices, hydraulic versus electric steering, slightly lower-quality interior, and electronics controls that were less user-friendly than those of its contemporary competitors.
This generation was introduced with only two trims. The ML350 came with a 3.5-liter 268-hp V6, while the ML500 was powered by a 5.0-liter 302-hp V8. Both came similarly equipped.
The next year saw two additional models join the line. The ML320 CDI featured a relatively fuel-efficient diesel engine (215 hp, 398 lb-ft of torque) that didn't have California emissions approval, while the performance-oriented ML63 AMG came with a 6.2-liter V8 good for 503 hp. It also included a number of other performance and handling upgrades.
The ML550 replaced the ML500 for '08, boasting a 5.5-liter V8 good for a much healthier 382 hp. The following year saw the advent of the 50-state-compliant and renamed ML320 Bluetec, along with a base rear-wheel-drive ML350. Every ML also received a face-lift front and rear and an available updated COMAND system with Bluetooth phone connectivity.
For '10, the diesel model became the ML350 Bluetec and received a smidge more torque, but the bigger news was the addition of the ML450 Hybrid. Featuring a gasoline-electric hybrid system co-developed with BMW and General Motors, this ML featured a 3.5-liter V6, a pair of electric motors and an advanced transmission for a total of 335 hp. It achieved 22 mpg combined, which is good, but the cheaper Bluetec managed 21.
In reviews, our editors found the second-generation M-Class imparted that feeling of impenetrable solidity one expects from Mercedes-Benz. With the optional air suspension, the ride quality was impressively supple. Behind the wheel, one will find plenty of room and excellent support from the premium multicontour seats, as well as superb cabin materials. Major downsides included fussy electronic controls, pokey acceleration with the V6 engine, and higher ownership costs than some other luxury SUVs.
The first-generation Mercedes M-Class debuted in 1998 with the ML320, which was motivated by a 3.2-liter V6 with 215 hp. More standard equipment was added in 1999, as well as a more powerful and luxurious V8-equipped ML430 model. Detail improvements in 2000 included an interior freshening and optional third-row seating on all M-Class models, and in 2001 the TeleAid emergency calling system became standard across the lineup. These early ML models suffered from extensive quality-control issues that often resulted in expensive repair bills, so we wouldn't recommend them as used-car purchases.
The Mercedes-Benz M-Class was reworked and improved in 2002 with the modification of more than 1,100 parts and the substitution of the ML500 for the previous ML430, now featuring a 5.0-liter V8 packing 288 hp. Telltale signs included new bumpers, clear-lens headlights and restyled mirrors. In late 2003, the ML350 replaced the ML320, featuring a larger 3.5-liter 232-hp V6.
Mercedes was also first to market with a high-performance luxury SUV, offering the ML55 AMG from 2000-'03. Sold in limited numbers, this pricey ML had a 5.4-liter V8 good for 342 hp and 376 lb-ft of torque, along with a sport-tuned suspension.
User Reviews:
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Junk - 1999 Mercedes-Benz M-Class
By cthorin - June 23 - 2:26 pmEverything starts falling apart at about 80k. Weve spent well over $2k in repairs in the last 6 mo. and I was just told that weve got an entire page of other issues that need to be addressed as I had it at the dealer for our third recall! Last recall we paid $1200 in repairs before they issued the recall. After telling us theyd reimburse us we had to wait 6 months before Mercedes did so, and only after we had to start legal action. MB is not even close to being in Toyotas league. Its disgraceful what they charge for these vehicles/service and unfair that only a dealer can check fluids. MB service shouldnt be required to keep the vehicle from repairs.
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Excellent design - 2008 Mercedes-Benz M-Class
By MARIO - June 22 - 2:36 pmThis car is just perfect all around. The engine is out of this world, the best I ever own, responsive and gas consumption better than I expected. I had BMW X5 2001 nothing to compare and then my LEXUS LX 470 2004 the worst car I had. I am so glad that I got the ML550
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Not bad at all! - 2000 Mercedes-Benz M-Class
By coolman - June 21 - 9:03 amI have owned this car for 10 years now and i am still trusting it. It had some minor problem but so has every car. The only problem is the interior parts are not very durable. Little things like the door panel, handle, seat panel etc. Otherwise, it is a very reliable car. In fact, it is more reliable than my newer BMW 7 series. I will get another Benz because of the reliable engine and trans and the comfort, not sure if it will be an SUV but might consider the E class. the m class is pretty worth it for the price and re sell is not bad at all.
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veneer1 MD - 2002 Mercedes-Benz M-Class
By John Kiefer - June 20 - 10:00 ama wonderful car with excellent power, fully loaded i.e. low jack integrated tri band cellular
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Why do hybrids even exist? - 2008 Mercedes-Benz M-Class
By Mikey - June 18 - 7:20 amWonderful vehicle. Terrific performance from all that diesel torque, yet it gets superb mileage (avg. 22.1 MPG over 45,000 miles). Very comfortable on long trips. Lots of storage. However, its outrageous that memory seats are not standard equipment at this price. Maybe they are now standard on newer models? My dealer in Grand Rapids, Michigan is excellent, both sales and service. BTW, hybrids are a losing proposition. We already have diesel infrastructure in place, the technology is proven beyond a shadow of a doubt and the diesel complaints (noise, polution and smell) have been solved. My second M-B diesel wont be my last.
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My first MBZ - 2006 Mercedes-Benz M-Class
By LISA JAMES - June 16 - 8:03 pmI love this car. Its my first Mercedes Benz. I had a 2001 Ford Explorer Eddie Bauer, and words cannot even describe the difference. Im in love, and so glad I waited. I never liked the previous body style, but this one is sleek, smooth, and beautiful. So many heads are turning when I glide by people. Dont see many on the street in Los Angeles though.
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Perfect - 2003 Mercedes-Benz M-Class
By J pizzle Kwik - June 15 - 10:00 ami love this car soo much i mean it is the car of my dreams anyone who wants a perfect car buy this car if u dont believe my try it for urself
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1999-ML430 - 2004 Mercedes-Benz M-Class
By Bearman - June 9 - 2:00 amMy first Benz so i cant really compare to other Benzs but i can compare to the other vehicles ive owned,This SUV is a blast to drive and wonderful on a trip,Right after i bought it i went to Kansas on a hunting trip,16 hours of driving, good mileage, rode well,plenty of storage for gear,the 4.3 V8 has plenty of power,love it!
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Wonderful Ride - 2007 Mercedes-Benz M-Class
By David - June 8 - 2:40 pmBefore Mercedes ever built their first first M-Class I have been sending an annual E-Mail to Damiler-Benzs New Jersery headquarters about having a diesel M-Class. It took several years to finally get my ML 320 CDI. The new M-Class is wonderful. A extremely smooth ride as compared to my old 2003 ML500 that I have had since September 2002. The interior is well thought out with some of the easiest folding rear seats which make a flat cargo area with out any gaps. My wife loves the power tailgate, especiallly in a heavy rain. Currently Im getting about 18MPG in city driving and around 27MPG on the freeway into town from the suburbs. Havent had it on the open road yet.
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The jury is still out. - 2012 Mercedes-Benz M-Class
By mrigal87 - June 8 - 9:41 amI leased the 2012 ML 350 about 2 wks ago. This is my first MB. So far, its been in the shop twice at 2 different dealerships. After several days of driving, I noticed the vehicle would start to shake when I reached 65mph. Also, the windshield wipers chatter horribly and are very loud. So I took it in. They worked on it for an entire day. The same problems persisted. I took it back in a week later to another dealership. The shaking seems to be much better, however, the wipers are chattering worse than ever as I discovered today during a rainstorm. Yes, the vehicle is beautifully appointed and looks great etc. but it is very irritating to be in and out of the shop with a brand new vehicle.
