The Mercedes-Benz B-Class (W245) B 200 CDI, produced from April 2005 to April 2008, 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 to deliver a balance of fuel economy and usable performance. It was built on the W245 platform, shared with the A-Class, and aimed to provide a more spacious and versatile alternative to traditional hatchbacks. This variant was particularly popular in European markets where diesel engines were favored for their efficiency and lower running costs.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | B-class |
| Generation | B-class (W245) |
| Type (Engine) | B 200 CDI (140 Hp) |
| Start of production | April, 2005 |
| End of production | April, 2008 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | MPV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.2-7.6 l/100 km (32.7 – 30.9 US mpg) |
| Fuel consumption (extra urban) | 4.6-4.7 l/100 km (51.1 – 50 US mpg) |
| Fuel consumption (combined) | 5.6-5.8 l/100 km (42 – 40.6 US mpg) |
| CO2 emissions | 146-151 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.6 sec |
| Acceleration 0 – 62 mph | 9.6 sec |
| Acceleration 0 – 60 mph | 9.1 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9.7 kg/Hp |
| Weight-to-torque ratio | 4.5 kg/Nm |
| Power | 140 Hp @ 4200 rpm |
| Torque | 300 Nm @ 1600-3000 rpm (221.27 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 640.941 |
| Engine displacement | 1991 cm3 (121.5 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 18:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.8 l (6.13 US qt | 5.1 UK qt) |
| Coolant capacity | 9.7 l (10.25 US qt | 8.53 UK qt) |
| Kerb Weight | 1360 kg (2998.29 lbs.) |
| Max. weight | 1880 kg (4144.69 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 544 l (19.21 cu. ft.) |
| Trunk (boot) space – maximum | 2245 l (79.28 cu. ft.) |
| Fuel tank capacity | 54 l (14.27 US gal | 11.88 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load (braked) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load (unbraked) | 715 kg (1576.31 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4270 mm (168.11 in.) |
| Width | 1777 mm (69.96 in.) |
| Width including mirrors | 1975 mm (77.76 in.) |
| Height | 1604 mm (63.15 in.) |
| Wheelbase | 2778 mm (109.37 in.) |
| Front track | 1552 mm (61.1 in.) |
| Rear track | 1547 mm (60.91 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11.95 m (39.21 ft.) |
| Drivetrain | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 288×25 mm |
| Rear brakes | Disc, 258×8 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric |
| Tires size | 205/55 R16 |
| Wheel rims size | 6J x 16 |
Powertrain & Engine Architecture
The B 200 CDI was powered by the OM 640.941, a 2.0-liter inline-four cylinder diesel engine. This engine was a mainstay in many Mercedes-Benz compact models of the era. It featured a turbocharger with an intercooler to boost power and efficiency. The engine utilized a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for optimized combustion. The DOHC (Double Overhead Camshaft) valvetrain, with four valves per cylinder, further enhanced breathing and performance. The engine produced 140 horsepower at 4200 rpm and 300 Nm (221 lb-ft) of torque between 1600 and 3000 rpm. The engine’s relatively high compression ratio of 18:1 was typical for diesel engines, contributing to its thermal efficiency. The B 200 CDI was equipped with a six-speed manual transmission, providing a good balance between fuel economy and driver control.
Driving Characteristics
The B 200 CDI, with its 140 hp and 300 Nm of torque, offered adequate performance for everyday driving. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 9.6 seconds, and it had a top speed of 200 km/h (124 mph). While not a particularly sporty vehicle, the engine’s torque delivery provided good responsiveness in typical driving situations, such as overtaking or merging onto highways. Compared to the more powerful B 200 Turbo (petrol), the CDI offered significantly better fuel economy but lacked the petrol engine’s outright acceleration. The six-speed manual transmission allowed drivers to keep the engine in its optimal torque band, maximizing efficiency and responsiveness. The gear ratios were tuned for fuel economy, meaning the engine could feel slightly strained at higher speeds or when carrying a full load.
Equipment & Trim Levels
The B 200 CDI typically came with a reasonable level of standard equipment. This included features like air conditioning, power windows, central locking, and an audio system. Interior upholstery was generally cloth, with options for leather upgrades. Dashboard trim could vary, with options for wood or metallic finishes. Optional extras included a sunroof, upgraded audio systems, navigation, and parking sensors. Safety features such as ABS (Anti-lock Braking System) and airbags were standard. The B-Class was designed with practicality in mind, offering a versatile interior with folding rear seats and a generous cargo area.
Chassis & Braking
The W245 B-Class featured an independent McPherson strut suspension at the front and a semi-independent torsion beam suspension at the rear. This setup provided a comfortable ride quality, suitable for everyday use. The front brakes were ventilated discs, while the rear brakes were solid discs. ABS was standard, providing enhanced braking performance and stability. The suspension was tuned for comfort rather than sporty handling, prioritizing ride quality over sharp cornering. Stabilizer bars were fitted to both the front and rear axles to reduce body roll.
Market Reception & Comparison
The B 200 CDI was generally well-received by critics as a practical and fuel-efficient MPV. Its diesel engine offered significantly better fuel economy than the petrol-powered B 200, making it an attractive option for drivers covering long distances. However, some reviewers noted that the engine could be somewhat noisy compared to petrol alternatives. Compared to other compact MPVs of the time, such as the Renault Scenic or Citroën C4 Picasso, the B 200 CDI offered a more premium feel and a higher level of build quality. Its reliability was generally considered good, although diesel particulate filter (DPF) issues could arise with infrequent long-distance driving.
Legacy
The OM 640 engine family, including the OM 640.941 found in the B 200 CDI, proved to be relatively durable. However, as with any diesel engine, proper maintenance is crucial. Common issues include DPF clogging, injector problems, and turbocharger wear. Today, the W245 B 200 CDI can be found on the used car market at affordable prices. It remains a practical and economical option for those seeking a compact MPV, but potential buyers should be aware of the potential maintenance costs associated with a diesel engine, particularly the DPF. The B 200 CDI represents a significant step in Mercedes-Benz’s expansion into the compact MPV segment, offering a blend of practicality, efficiency, and the brand’s renowned build quality.
