The Mercedes-Benz B-Class (W246 facelift) B 220 CDI 4MATIC, produced from 2014 to 2018, represented a compelling blend of practicality, efficiency, and performance within the compact MPV segment. This variant, equipped with a 2.1-liter turbocharged diesel engine producing 177 horsepower and paired with a 7-speed dual-clutch transmission (DCT) and all-wheel drive, occupied a mid-to-upper position in the B-Class lineup. It catered to buyers seeking a refined driving experience, enhanced traction, and respectable fuel economy in a versatile package. The W246 facelift brought significant updates to the original B-Class, including revised styling, improved interior materials, and updated technology.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | B-Class |
| Generation | B-Class (W246 facelift 2014) |
| Type (Engine) | B 220 CDI (177 Hp) 4MATIC DCT |
| Start of production | 2014 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.9-5.8 l/100 km (39.9 – 40.6 US mpg, 47.9 – 48.7 UK mpg, 16.9 – 17.2 km/l) |
| Fuel consumption (extra urban) | 4.5 l/100 km (52.3 US mpg, 62.8 UK mpg, 22.2 km/l) |
| Fuel consumption (combined) | 5 l/100 km (47 US mpg, 56.5 UK mpg, 20 km/l) |
| CO2 emissions | 131-130 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.3 sec |
| Acceleration 0 – 62 mph | 8.3 sec |
| Acceleration 0 – 60 mph | 7.9 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.9 kg/Hp, 112.4 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 222.2 Nm/tonne |
| Power | 177 Hp @ 3600-3800 rpm |
| Torque | 350 Nm @ 1400-3400 rpm (258.15 lb.-ft. @ 1400-3400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 651.930 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 16.2:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant capacity | 9.6 l (10.14 US qt | 8.45 UK qt) |
| Kerb Weight | 1575 kg (3472.28 lbs.) |
| Max. weight | 2095 kg (4618.68 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 488 l (17.23 cu. ft.) |
| Trunk (boot) space – maximum | 1547 l (54.63 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Length | 4393 mm (172.95 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.) |
| Ride height (ground clearance) | 98 mm (3.86 in.) |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 7 |
| Gearbox type | automatic transmission G-DCT |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/45 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the B 220 CDI 4MATIC is the OM651.930, a 2.1-liter inline-four cylinder diesel engine. This engine is a highly refined unit, featuring common-rail direct injection and a variable geometry turbocharger with intercooling. The common-rail system, operating at extremely high pressures, ensures precise fuel delivery and optimized combustion. The turbocharger enhances power output and torque across a broad rev range. The engine’s 16.2:1 compression ratio is typical for modern diesel engines, contributing to efficiency. The 7G-DCT (7-speed dual-clutch transmission) provides rapid and smooth gear changes, enhancing both performance and fuel economy. The 4MATIC all-wheel-drive system utilizes a multi-plate clutch to distribute torque between the front and rear axles, providing enhanced traction in various driving conditions.
Driving Characteristics
The B 220 CDI 4MATIC offers a composed and refined driving experience. The 177 horsepower and 350 Nm (258 lb-ft) of torque provide ample power for everyday driving and confident overtaking. The DCT transmission contributes to brisk acceleration, with a 0-60 mph time of around 7.9 seconds. While not a sports car, the B-Class handles predictably and offers a comfortable ride. The 4MATIC system provides added stability and grip, particularly on slippery surfaces. Compared to the lower-powered B 180 CDI, the B 220 CDI offers a noticeable performance upgrade. It also feels more responsive than the petrol-powered variants, particularly in terms of mid-range torque. The automatic transmission, while efficient, doesn’t offer the same level of driver engagement as a manual gearbox.
Equipment & Trim Levels
The B 220 CDI 4MATIC typically came well-equipped as a mid-range to upper-mid-range trim. Standard features often included automatic climate control, a multi-function steering wheel, a high-resolution infotainment system with a central display screen, and comfortable seats. Optional extras could include leather upholstery, a panoramic sunroof, a premium sound system, and various driver assistance systems such as lane keeping assist and blind spot monitoring. The interior design was generally modern and functional, with a focus on practicality and usability.
Chassis & Braking
The W246 B-Class utilizes an independent suspension setup at all four corners, with McPherson struts at the front and a multi-link arrangement at the rear. This configuration provides a good balance between ride comfort and handling. The B 220 CDI 4MATIC typically featured ventilated front disc brakes and solid rear discs. Anti-lock braking system (ABS) and electronic stability control (ESP) were standard safety features. The steering is a rack-and-pinion system, providing precise and responsive control.
Market Reception & Comparison
The B 220 CDI 4MATIC was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and practical interior. Fuel economy was also a strong point, with combined figures around 5 liters per 100 kilometers (47 US mpg). Compared to the petrol-powered B 200, the B 220 CDI offered significantly better fuel economy and more torque. However, some critics noted that the B-Class wasn’t as engaging to drive as some of its rivals. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long-distance driving.
Legacy
The Mercedes-Benz B-Class (W246) B 220 CDI 4MATIC remains a popular choice in the used car market. The OM651 engine is known for its durability and longevity, provided it has been properly maintained. The 7G-DCT transmission is also generally reliable. However, potential buyers should be aware of the possibility of DPF issues and ensure that the vehicle has a full service history. The B 220 CDI 4MATIC represents a well-rounded and practical compact MPV that continues to offer a compelling blend of performance, efficiency, and comfort.


