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| Manufacturer | Mercedes-Benz |
|---|---|
| Production | 2005–present |
| Class | Small family car Compact MPV |
| Layout | FF layout |
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| Production | 2005–2011 |
|---|---|
| Model years | 2006–2011 |
| Assembly | Rastatt, Germany |
| Body style | 5-door hatchback |
| Platform | Mercedes-Benz W245 |
| Engine | 2.0L 134 hp I4 2.0L 200 hp I4 Turbo |
| Transmission | 5-speed manual 6-speed manual CVT |
| Wheelbase | 2006–08: 109.7 in (2,786 mm) 2009-11: 109.4 in (2,779 mm) |
| Length | 168.1 in (4,270 mm) 2009- Base: 168.2 in (4,272 mm) |
| Width | 70.0 in (1,778 mm) |
| Height | 2006–08: 63.5 in (1,613 mm) 2009–11: 63.1 in (1,603 mm) |
| Related | Mercedes-Benz A-Class |
The Mercedes-Benz B-Class (codename W245) is a small family car introduced by German automaker Mercedes-Benz in March 2005. It is essentially an enlarged A-Class keeping the same engine and suspension system. Like the A-Class, and unlike any other vehicle Mercedes builds or has built, the B-Class is a front wheel drive vehicle.
Mercedes-Benz describes this vehicle as a Compact Sports Tourer instead of hatchback or multi-purpose vehicle, like its R-Class model, which is called a Grand Sports Tourer.
It was released in Europe in the late spring of 2005 and in Canada in the autumn of 2005. Plans to import the car to the US through Mexico were put on hold due to a strong euro, but it is likely that a new version of the car will come to the US in 2012.
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The B-class is what’s known as a two-box design: one box for the drivetrain and another the passenger and luggage compartments. The B-Class gains much of its comparatively large interior volume through its height, a configuration that makes the most of the vehicle’s footprint.
Having evolved from the even smaller A-Class, a car that was originally intended to have a battery-powered version that would meet California’s since-rescinded zero-emissions mandate. The sandwich floor concept—the structure of the car under the floor where the batteries were supposed to go—was retained in the B-Class.
The powertrain (engine and transmission) moves beneath the passenger cell (located at high seating position) in the event of a big frontal impact. According to a study:[1] "the front section of the A-Class would have to be considerably longer in order to offer the same impressive level of occupant safety in the event of a heavy frontal impact".
These are two innovations, patented by Mercedes-Benz as:
As a secondary benefit, because the seats have been raised by 20 cm, the passengers are taken away from the more common area of lateral impact in accidents.
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The B-Class presents a wide interior, basically due to the Sandwich floor.
The multifunction steering wheel (standard feature) allows the driver to use his/her thumbs to control the radio, telephone and other systems. The power assisted steering (standard feature) aids in the control of the automobile, varying according to the speed.
The COMAND APS is a system where Route instructions are given to the navigation system, and the information is provided via TMC. The car radio, DVD and telephone controls are combined into a single unit with a 6.5 inch screen. The options are: standard Audio 20 radio/single CD, Audio 50 APS or COMAND APS.
Parktronic emits warning tones and uses multiple LEDs to indicate how far the car is from an obstacle.
W245 defines the Light & Sight package with several benefits:
As a standard addition, when entering a tunnel or an underground garage, the Tunnel Mode closes all windows and the panoramic sliding sunroof.
The multicontour seat (optional feature) is composed of a set of small air cushions individually adjusted to the driver's body, as he/she wishes.
The W245 units have a powerful car air conditioning system, with separate temperature adjustment for driver and front passenger.
Standard CDI models include a Heater Booster System (standard on CDI models) that instantly floods the interior of the B-Class with hot air. The most advanced system is the Thermotronic (optional feature) that maintains and regulates the temperature in accordance with a sophisticated set of sensors which measure temperature, sunlight, humidity and even pollutant levels in the ambient air, causing all openings to close automatically.
The new optional sunroof is divided in small panels that can be displaced individually. Each one can be controlled separately to selectively administer the shades inside the W245.
Breakdown statistics reported by the German Automobile Club in May 2010 placed the Mercedes B-Class at the top of the lower middle-sized car class in respect of the low break-down rates achieved for cars aged between 0 and 4 years.,[2] narrowly beating the Audi A3 and the BMW 1-series.[3]
High-strength and ultra-high-strength steel alloys are combined with high-strength bonded joints.
The B-Class has several airbags. The front airbag is adaptive with two-stage gas generators (standard feature), where the system evaluates the severity of the accident. The B-Class also includes side airbags for head and thorax (standard for driver and front passenger).
Two other additions are optional: Rear Sidebags (optional feature) for side-on collisions in the back seats and Windowbags: large airbags expanding like a curtain from A- to C-pillars in side-on collisions.
The Adaptive Function (standard feature for driver and front passenger) adapts the force exerted by the belt, relaxing dynamically during the collision. On the other hand, the Tensioners (standard feature) continuously adjust to remove any possible slack, and increase the tightness if necessary. The driver is notified if all the belts are buckled (standard feature).
Lastly, the active head restraints (standard feature) respond actively to a collision, assuring even more protection.
While driving there is the Acceleration-Skid Control (ASR) (standard feature) and Electronic Stability Program ESP (standard feature) that reduce the risk of skidding. There are disc brakes on all four wheels, and emergency stops are improved with the Anti-lock braking system (ABS) and Brake Assist System (BAS), standard on the Mercedes Benz A-Class. BAS detects emergency braking (most drivers apply the brakes quickly but without enough pressure) and exerts maximum brake pressure.
To make more room for transporting goods, it is possible to fold the seats forward and then level them at two different heights. They provide different final modular space combinations.
Its implementation is provided by two systems:
The B160 and B180 conform to Euro V emission standards. The rest of the engines conform to Euro IV emission standards. A particulate filter is available as an option for the diesel units (this reduces about 99% of the particle emissions, without the need for additives).
| Model | Engine | Power | Torque | Transmission | Top Speed | 0-62 mph | Economy ([1])[clarification needed] | Emissions |
|---|---|---|---|---|---|---|---|---|
| Petrol | ||||||||
| B160 | 1.5 L, 4 in-L | 95 PS (70 kW; 94 hp) | 140 Nm (103 lb ft) | 5-speed Manual | 174 km/h (108 mph) | 13.2 secs | 44.1 mpg | 149 g/km |
| B180 | 1.7 L, 4 in-L | 116 PS (85 kW; 114 hp) | 155 Nm (114 lb ft) | 5-speed Manual | 184 km/h (114 mph) | 11.3 secs | 44.8 mpg | 146 g/km |
| B200 | 2.0 L, 4 in-L | 136 PS (100 kW; 134 hp) | 185 Nm (137 lb ft) | 5-Speed Manual | 196 km/h (122 mph) | 10.1 secs | 39.2 mpg | 173 g/km |
| B200 Turbo | 2.0 L, 4 in-L | 193 PS (142 kW; 190 hp) | 280 Nm (207 lb ft) | 6-Speed Manual | 225 km/h (139 mph) | 7.6 secs | 35.8 mpg | 190 g/km |
| Diesel | ||||||||
| B180 CDI | 2.0 L, 4 in-L | 109 PS (80 kW; 108 hp) | 250 Nm (185 lb ft) | 6-Speed Manual | 183 km/h (114 mph) | 11.3 secs | 54.3 mpg | 136 g/km |
| B200 CDI | 2.0 L, 4 in-L | 140 PS (100 kW; 140 hp) | 300 Nm (221 lb ft) | 6-Speed Manual | 200 km/h (124 mph) | 9.6 secs | 54.3 mpg | 136 g/km |
| Natural Gas | ||||||||
| B170 NGT | 2.0 L, 4 in-L | 116 PS (85 kW; 114 hp) | 165 Nm (122 lb ft) | 5-Speed Manual | 184 km/h (114 mph) | 12.4 secs | 38.7 mpg | 135 g/km |
Most of them are manual transmissions, but as an option there is an Autotronic Continuously Variable Transmission (CVT) in which the ratios are changed continuously by means of a pulley-wheel variator and a steel thrust belt. This allows the car to accelerate with no interruption of tractive power and attains the maximum output more quickly. This is adjustable according to driving style: economical or sporty.
The emissions from the B170 NGT Manual were analysed by EcoTest and given a score of 82 out of 100 and a 
rating for environmental friendliness.[4]
The emissions from the B200 T Autotronic were analysed by EcoTest and given a score of 58 out of 100 and a rating for environmental friendliness.[5]
The emissions from the B200 CDI Autotronic were analysed by EcoTest and given a score of 57 out of 100 and a rating for environmental friendliness.[6]
The emissions from the B180 CDI Autotronic were analysed by EcoTest and given a score of 56 out of 100 and a rating for environmental friendliness.[5]
The B-Class is a front-wheel drive car.
In the W245 the dynamic handling was powered in precision tracking and anti-roll support, with the Parabolic Rear Axle (standard feature) that grants a pivotal role in the driving. The car has a Selective Damping System (standard feature), where the shock absorber forces are administered differentially, in example under normal conditions (soft absorption) and while cornering at speed (full damping force).
The W245 presents light alloy wheels. With the run-flat feature (continuous mobility or zero-pressure tyres can be driven at normal speeds). There is Tirefit tyre sealant and a tire-pressure-loss warning device by ESP technology (standard feature).
In 2008, Mercedes-Benz released a refreshed-look B-Class alongside a refreshed-look A-Class and M-Class.
The newer B-Class has a restyled hood, front bumper, rear tail lamps, side exterior mirrors and is now available in the B170 NGT Blue Efficient. The B170 NGT Blue Efficient can run on either gas or petrol, and when full, can cover up to 1,000 kilometres (620 mi).
The new B-Class is now available with new upholsteries and trims.
| Specification | B180 CDI | B200 CDI | B150 | B170 | B200 | B200 Turbo | B170 NGT FuelEfficiency |
|---|---|---|---|---|---|---|---|
| length | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) | 4,270 mm (168.1 in) |
| width | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) | 1,777 mm (70.0 in) |
| height | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) | 1,603 mm (63.1 in) |
| wheelbase | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) | 2,778 mm (109.4 in) |
| Kerb weight | 1,435 kg (3,164 lb) | 1,435 kg (3,164 lb) | 1,300 kg (2,866 lb) | 1,310 kg (2,888 lb) | 1,345 kg (2,965 lb) | 1,370 kg (3,020 lb) | Unknown |
| tank capacity | 54 L (14 US gal; 12 imp gal) | 54 L (14 US gal; 12 imp gal) | 54 L (14 US gal; 12 imp gal) | 54 L (14 US gal; 12 imp gal) | 54 L (14 US gal; 12 imp gal) | 54 L (14 US gal; 12 imp gal) | Unknown |
| tank reserve | 6 L (2 US gal; 1 imp gal) | 6 L (2 US gal; 1 imp gal) | 6 L (2 US gal; 1 imp gal) | 6 L (2 US gal; 1 imp gal) | 6 L (2 US gal; 1 imp gal) | 6 L (2 US gal; 1 imp gal) | Unknown |
| Cylinders | 4/inline | 4/inline | 4/inline | 4/i-line | 4/inline | 4/inline | 4/inline |
| Output hp/rpm | 109 hp (81 kW; 111 PS) /4200 | 140 hp (104 kW; 142 PS) /4200 | 106 hp (79 kW; 107 PS) /5800 | 116 hp (87 kW; 118 PS) /5500 | 136 hp (101 kW; 138 PS) /5750 | 193 hp (144 kW; 196 PS) /8000 | 116 hp (87 kW; 118 PS) |
| Torque Nm/rpm | 250 N·m (184 lb·ft) /1600-2600 | 300 N·m (221 lb·ft) /1600-3000 | 160 N·m (118 lb·ft) /4000-4500 | 155 N·m (114 lb·ft) /3500-4000 | 185 N·m (136 lb·ft) /3500-4000 | 280 N·m (207 lb·ft) /1800-4850 | Unknown |
| Top Speed | 183 km/h (114 mph) | 200 km/h (124 mph) | 185 km/h (115 mph) | 183 km/h (114 mph) | 196 km/h (122 mph) | 225 km/h (140 mph) | Unknown |
| Tires | 205/55 R 16 | 205/55 R 16 | 195/65 R 15 | 195/65 R 15 | 205/55 R 16 | 215/40 R 18 | 195/65 R 15 |
_%E2%80%93_Frontansicht,_10._M%C3%A4rz_2012,_D%C3%BCsseldorf.jpg) |
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| Production | 2011–present |
|---|---|
| Model years | 2012–present |
| Assembly | Rastatt, Germany Kecskemét, Hungary[7] |
| Body style | 5-door hatchback |
| Platform | Mercedes-Benz W246 |
| Engine | 1.6L I4 1.8L Diesel I4 |
| Transmission | 6-speed manual 7-speed DCT |
| Wheelbase | 106.3 in (2,700 mm) |
| Length | 171.6 in (4,359 mm) |
| Width | 70.3 in (1,786 mm) |
| Height | 61.3 in (1,557 mm) |
| Related | Mercedes-Benz A-Class |
_%E2%80%93_Heckansicht,_10._M%C3%A4rz_2012,_D%C3%BCsseldorf.jpg)
In September 2011, Daimler-Benz announced a complete replacement for the W245-model Mercedes B-Class, and was unveiled at the 2011 Frankfurt Auto Show. The platform is shared with the new (2012) model A-Class, remain front-wheel-drive, and support a variety of body formats from mini-MPV to coupe. Unlike the W245-model B-Class, the replacement is able to share engines and ancillary components with larger models in the Mercedes range, albeit mounted transversely, an initiative aimed at reducing overall costs.
In July 2011, Daimler AG released more details about the next Mercedes-Benz B-Class, called the w246 internally. The entry-level, gas-powered B180 uses the 122 hp M270 1.6 four-cylinder and the B200 is powered by the same 1.6 as the B180 but pushed to 156 hp. For glow plug fans, the B180 CDI uses the OM651 1.8 common rail diesel, an engine that will be mounted transversally for the first time, while the B200 CDI uses same engine but with the power raised to 136 hp.[8]
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The contents of this page are derived from <http://en.wikipedia.org/wiki/Mercedes-Benz_B-Class>
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