2014-2016 Mercedes-Benz C-class (W205) C 250d (204 Hp) 4MATIC 7G-TRONIC PLUS

The Mercedes-Benz C 250d 4MATIC, produced between 2014 and 2016, was a key variant within the W205 generation of the C-Class. Positioned as a mid-range offering, it combined a potent diesel engine with all-wheel drive and a sophisticated automatic transmission, appealing to buyers seeking a balance of performance, efficiency, and all-weather capability. This model represented Mercedes-Benz’s continued refinement of the compact executive segment, offering a premium experience with a focus on modern technology and driving dynamics. The C250d 4MATIC was primarily marketed in Europe and other regions where diesel engines held significant market share, offering a compelling alternative to gasoline-powered C-Class models.

Technical Specifications

Brand Mercedes-Benz
Model C-class
Generation C-class (W205)
Type C 250d (204 Hp) 4MATIC 7G-TRONIC PLUS
Start of production 2014
End of production 2016
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (urban) 5.9-6.1 l/100 km (39.9 – 38.6 US mpg)
Fuel consumption (extra urban) 4.3-4.4 l/100 km (54.7 – 53.5 US mpg)
Fuel consumption (combined) 4.8-5.0 l/100 km (49 – 47 US mpg)
CO2 emissions 129-134 g/km
Fuel Type Diesel
Acceleration 0 – 100 km/h 6.9 sec
Acceleration 0 – 62 mph 6.9 sec
Acceleration 0 – 60 mph 6.6 sec
Maximum speed 240 km/h (149.13 mph)
Emission standard Euro 6
Weight-to-power ratio 7.8 kg/Hp
Weight-to-torque ratio 3.2 kg/Nm
Power 204 Hp @ 3800 rpm
Torque 500 Nm @ 1600-1800 rpm (368.78 lb.-ft. @ 1600-1800 rpm)
Engine layout Front, Longitudinal
Engine Model/Code OM 651.921
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 BiTurbo, Intercooler
Engine oil capacity 6 l (6.34 US qt | 5.28 UK qt)
Kerb Weight 1585 kg (3494.33 lbs.)
Max. weight 2225 kg (4905.29 lbs.)
Max load 640 kg (1410.96 lbs.)
Trunk (boot) space – minimum 480 l (16.95 cu. ft.)
Fuel tank capacity 66 l (17.44 US gal | 14.52 UK gal)
Length 4686 mm (184.49 in.)
Width 1810 mm (71.26 in.)
Height 1442 mm (56.77 in.)
Wheelbase 2840 mm (111.81 in.)
Front track 1588 mm (62.52 in.)
Rear track 1570 mm (61.81 in.)
Ride height (ground clearance) 92 mm (3.62 in.)
Minimum turning circle 11.22 m (36.81 ft.)
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 7 gears, automatic transmission G-TRONIC
Front suspension Independent multi-link suspension
Rear suspension Independent multi-link suspension
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 225/50 R17
Wheel rims size 17

Powertrain & Engine Architecture

The heart of the C 250d 4MATIC was the OM 651.921, a 2.1-liter inline-four diesel engine. This engine was a highly refined unit, featuring common-rail direct injection and a sophisticated two-stage turbocharging system. The twin-turbo setup, combined with an intercooler, allowed for both strong low-end torque and sustained power throughout the rev range. The engine boasted a high compression ratio of 16.2:1, contributing to its thermal efficiency. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, was specifically tuned to complement the engine’s characteristics. It offered smooth and responsive shifts, and its wide gear ratio spread helped to optimize fuel economy and performance. The transmission featured a torque converter lock-up clutch that engaged in most gears, further enhancing efficiency.

Driving Characteristics

The C 250d 4MATIC offered a refined and comfortable driving experience. The 204 horsepower and 368 lb-ft of torque provided ample power for everyday driving and confident overtaking maneuvers. Acceleration from 0 to 60 mph took approximately 6.6 seconds, making it a competitive performer in its class. The 7G-TRONIC transmission contributed to a seamless power delivery, and the 4MATIC all-wheel-drive system provided excellent traction in various weather conditions. Compared to the C 300 (gasoline) or the C 220d, the C 250d offered a more balanced approach. The C 300 prioritized outright performance, while the C 220d focused on maximizing fuel economy. The C 250d struck a middle ground, providing a good blend of both.

Equipment & Trim Levels

The C 250d 4MATIC typically came standard with a generous array of features, including automatic climate control, a high-resolution infotainment system with a central display screen, and premium upholstery. Standard safety equipment included ABS, stability control, and multiple airbags. Optional extras included a panoramic sunroof, leather seats, a premium sound system, and advanced driver-assistance systems such as lane keeping assist and adaptive cruise control. Interior trim options ranged from aluminum to wood veneers, allowing buyers to personalize the cabin to their preferences. The dashboard layout was modern and ergonomically designed, with a focus on intuitive controls.

Chassis & Braking

The W205 C-Class featured a sophisticated chassis design with a four-link front suspension and a multi-link rear suspension. This setup provided a comfortable ride while maintaining precise handling. The C 250d 4MATIC was equipped with ventilated front disc brakes and solid rear discs. The braking system was responsive and provided ample stopping power. The 4MATIC all-wheel-drive system distributed torque between the front and rear axles as needed, enhancing stability and traction. The steering was precise and well-weighted, providing a connected feel to the driver.

Market Reception & Comparison

The C 250d 4MATIC was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and sophisticated technology. Fuel economy was a significant selling point, with the C 250d achieving combined fuel consumption figures of around 49-47 US mpg. Compared to the C 300, the C 250d offered similar levels of luxury and technology but at a lower price point. The C 220d, while more fuel-efficient, lacked the C 250d’s extra power and refinement. Reliability reports generally indicated good long-term dependability, although diesel particulate filter issues could occasionally arise with infrequent long-distance driving.

Legacy

The C 250d 4MATIC remains a popular choice in the used car market. Its combination of performance, efficiency, and all-wheel-drive capability continues to appeal to buyers. The OM 651 engine is known for its durability and relatively low maintenance costs, provided it is properly serviced. While modern diesel technology has evolved, the C 250d 4MATIC represents a well-engineered and refined example of a compact executive diesel car, offering a compelling blend of luxury, performance, and practicality.

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