The Mercedes-Benz M-Class is a luxury sport utility vehicle (SUV), first offered in 1997 as a 1998 model, and built by the German automaker Mercedes-Benz. Gradually, the M-Class became a sales success in the United States and Mexico. In terms of size, it is slotted in between the smaller GLK-Class (based on the C-Class) and the larger GL-Class, with which it shares platforms. For a short time, between the years 1999 to 2002, the M-Class was also built by Magna Steyr in Graz, Austria, for the European market, before all production moved to the U.S. plant near Vance, Alabama.
At the 2009 New York International Auto Show, Mercedes-Benz showed their ML 450 Hybrid SUV, which was announced on 8 April 2009. The ML 450 Hybrid consumes almost 50% less fuel than the ML 550 does, even though it produces over 90% of the power generated by the V8 model. Total power generated will be 335 hp (250 kW) and 381 lb·ft (517 N·m) of torque, while getting 24 mpg-US (9.8 L/100 km) on the highway and 21 mpg-US (11 L/100 km) in the city, according to United States Environmental Protection Agency (EPA) estimates. The engine itself runs on the Atkinson cycle and by itself makes 275 hp. The ML 450 was developed under the Global Hybrid Cooperation, and will only be available in the United States under lease.
In 2006, development began on the next-generation M-Class and spanned over a period of 5 years, a much shorter duration than its predecessor. In 2008, the final design was approved and patented domestically on December 16, 2008(U.S. design patent filed on June 15, 2009). The newly redesigned M-class (chassis name W166) was introduced in pre-production form 10 June 2011 as a 2012 model. The first customer-designated W166 rolled off the Tuscaloosa production line on 20 July. It is moderately refined, taking styling cues from the new generation Mercedes-Benz E-Class. An increase in rear seat legroom has been implemented, alongside adjustable rear back-rests. It was to be launched in September 2011.
New features in the 2012 M-Class include an updated 7G-Tronic seven-speed automatic transmission to provide improved fuel economy, optional Adaptive Cruise Control (Distronic Plus), Active Lane Departure Warning System, and an adjustable-height air suspension (AirMatic).
A On&Off Road Package is available for most markets (now including North America) as of the 2013 model year. The package adds a two-speed dual range Magna Powertrain transfer case with center differential lock, reduction gearing, under body skid plates, and a 6-mode selectable terrain driving program system. The rear differential lock has been discontinued.
Open front and rear differentials are fitted, and use four-wheel electronic traction system (4-ETS) to simulate front and rear differential locks.
Vehicle type : SUV
Category : Midsize SUV's over $50,000
Assembly : Tuscaloosa, Alabama, É-U
Generation : 3
ENGINE:Type : V6 3.5 litres
Power : 302 hp @ 6,500 rpm (225 kW)
Torque : 273 lb·ft @ 3,500 - 5,250 rpm (370 N·m)
Induction : Atmospheric
Power to weight ratio : No
Bore : 92 mm
Stroke : 86 mm
Fuel type : Premium
CAPACITIES:Fuel tank : 93 l (25 gal)
Trunk : 690 to 2,010 l (24 to 71 ft3)
Towing : 3,500 kg (7,716 lbs)
Box length : No
DRIVETRAIN:CO2 emissions : 4,968 kg/year
Ohter engines : None
Transmission : 7-speed automatic
Drivetrain : AWD
FUEL EFFICIENCY / AUTONOMY:City : 12.3 l/100km
Highway : 8.9 l/100km
Autonomy : 756 km
TIRES / BRAKES / SAFETY:Steering : Rack and pinion, electrical variable assist
Traction control : Yes
Stability control : Yes
Seat belts : 5
Airbags : 9
SUSPENSION:Front suspension : Independent, double wishbones
Rear suspension : Independent, multi-link
Front brakes : Disc (ABS)
Rear brakes : Disc (ABS)
Front tires : P255/50R19
Rear tires : P255/50R19
DIMENSIONS / WEIGHT:
Length : 4,804 mm (189″)Width : 2,141 mm (84″)Height : 1,796 mm (71″)Wheelbase : 2,915 mm (115″)Front track : 1,648 mm (65″)Rear track : 1,663 mm (65″)Weight : 2,130 kg (4,696 lbs)Weight distribution front-rear : 54% - 46%
PERFORMANCE:0-100 km/h : 7.6 s
80-120 km/h : No
Top speed : 210 km/h
Braking distance : 44.0 m
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