The Mercedes-Benz B-Class (W246) B 200 CDI, produced from 2011 to 2014, represented a key offering in Mercedes-Benz’s compact multi-purpose vehicle (MPV) lineup. Positioned as a practical and efficient option, the B 200 CDI utilized a diesel engine and was aimed at buyers seeking fuel economy and versatility in a relatively small package. It was part of the second generation B-Class, built on the W246 platform, which introduced a more sophisticated and refined experience compared to its predecessor. This variant was particularly popular in European markets where diesel engines held a significant market share due to favorable taxation and fuel efficiency.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | B-class |
| Generation | B-class (W246) |
| Type (Engine) | B 200 CDI (136 Hp) |
| Start of production | 2011 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.6-5.4 l/100 km (42 – 43.6 US mpg) |
| Fuel consumption (extra urban) | 4.1-3.8 l/100 km (57.4 – 61.9 US mpg) |
| Fuel consumption (combined) | 4.6-4.4 l/100 km (51.1 – 53.5 US mpg) |
| CO2 emissions | 121-114 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.5 sec |
| Acceleration 0 – 62 mph | 9.5 sec |
| Acceleration 0 – 60 mph | 9 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 10.8 kg/Hp |
| Weight-to-torque ratio | 4.9 kg/Nm |
| Power | 136 Hp @ 3600-4400 rpm |
| Torque | 300 Nm @ 1600-3000 rpm (221.27 lb.-ft. @ 1600-3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 651.901 |
| Engine displacement | 1796 cm3 (109.6 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 16.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 7 l (7.4 US qt | 6.16 UK qt) |
| Coolant capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 1475 kg (3251.82 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 488 l (17.23 cu. ft.) |
| Trunk (boot) space – maximum | 1547 l (54.63 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4359 mm (171.61 in.) |
| Width | 1786 mm (70.31 in.) |
| Height | 1557 mm (61.3 in.) |
| Wheelbase | 2699 mm (106.26 in.) |
| Front track | 1552 mm (61.1 in.) |
| Rear track | 1549 mm (60.98 in.) |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Trailing arm |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The B 200 CDI was powered by the OM651.901, a 1.8-liter inline-four cylinder diesel engine. This engine was a mainstay in many Mercedes-Benz compact models of the era. It featured common-rail direct injection, a turbocharger with an intercooler, and four valves per cylinder. The common-rail system, operating at very high pressures, allowed for precise fuel metering and optimized combustion, contributing to both power and efficiency. The turbocharger boosted power output, while the intercooler cooled the intake air, further enhancing performance. The engine produced 136 horsepower at 3600-4400 rpm and a substantial 300 Nm (221 lb-ft) of torque between 1600-3000 rpm. The B 200 CDI was typically equipped with a six-speed manual transmission, although a seven-speed automatic transmission (7G-DCT) was also available as an option. The automatic transmission offered smoother shifts and convenience, but at a slight cost to fuel economy.
Driving Characteristics
The B 200 CDI with the manual transmission offered a reasonably engaging driving experience for a compact MPV. While not particularly sporty, the engine’s torque provided adequate acceleration for everyday driving and highway merging. The six-speed gearbox was well-matched to the engine’s powerband, allowing for comfortable cruising at highway speeds. The automatic transmission, while smoother, could feel slightly less responsive, particularly during quick overtaking maneuvers. The suspension was tuned for comfort, providing a compliant ride over most road surfaces. However, this did result in some body roll during cornering. Compared to the more powerful B 250 models, the B 200 CDI prioritized fuel efficiency over outright performance. The manual transmission version offered slightly better fuel economy and a more connected feel, while the automatic provided greater convenience.
Equipment & Trim Levels
The B 200 CDI typically came with a respectable level of standard equipment. This included air conditioning, power windows, power mirrors, a multi-function steering wheel, and an audio system with a CD player. Higher trim levels, such as the ‘Sport’ or ‘AMG Sport’ packages, added features like alloy wheels, sport seats, upgraded interior trim, and parking sensors. Optional extras included a panoramic sunroof, navigation system, leather upholstery, and a premium sound system. Interior upholstery was typically cloth, but leather was available as an upgrade. The dashboard layout was functional and modern, with a clear instrument cluster and intuitive controls.
Chassis & Braking
The W246 B-Class featured an independent McPherson strut suspension at the front and a multi-link semi-independent suspension at the rear. This setup provided a good balance between ride comfort and handling. The B 200 CDI was equipped with ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock Braking System (ABS) was standard, enhancing braking performance and stability. The steering was a rack-and-pinion system with electric power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The B 200 CDI was generally well-received by automotive critics for its fuel efficiency, practicality, and comfortable ride. However, some reviewers noted that the engine could be somewhat noisy and that the interior, while well-built, lacked the premium feel of some of its competitors. Compared to the petrol-powered B 200, the B 200 CDI offered significantly better fuel economy, making it a more attractive option for drivers covering long distances. The B 200 CDI also provided more torque than the B 200, resulting in better acceleration and pulling power. However, the B 200 CDI was more expensive to purchase than the B 200.
Legacy
The OM651 engine family, including the 1.8-liter variant used in the B 200 CDI, has proven to be remarkably durable and reliable. With proper maintenance, these engines can easily exceed 200,000 miles. The W246 B-Class, and specifically the B 200 CDI, remains a popular choice in the used car market, particularly for buyers seeking a practical, fuel-efficient, and reliable compact MPV. Common issues are typically related to wear and tear on components such as the turbocharger, fuel injectors, and diesel particulate filter (DPF), but these are generally manageable with regular servicing. The B 200 CDI represents a solid and dependable option for those seeking a well-rounded and economical vehicle.
