2024 Mercedes-Benz C-class T-modell (S206) AMG C 43 (421 Hp) EQ Boost 4MATIC AMG SPEEDSHIFT MCT 9G

The Mercedes-Benz C-Class T-modell (S206) AMG C 43 4MATIC, introduced in April 2024, represents a performance-oriented variant of the fifth-generation C-Class estate. Positioned as a mid-range performance model within the C-Class lineup, it slots between the standard C-Class models and the more potent C 63 S E PERFORMANCE. This vehicle combines a turbocharged inline-four engine with mild hybrid technology and a sophisticated all-wheel-drive system, offering a blend of practicality, luxury, and engaging driving dynamics. The “T-modell” designation signifies the estate (wagon) body style, popular in European markets and increasingly sought after by buyers desiring both space and performance.

Technical Specifications

Brand Mercedes-Benz
Model C-class
Generation C-class T-modell (S206)
Type AMG C 43 (421 Hp) EQ Boost 4MATIC AMG SPEEDSHIFT MCT 9G
Start of production April, 2024
Powertrain Architecture MHEV (Mild Hybrid Electric Vehicle)
Body type Station wagon (estate)
Seats 5
Doors 5
Fuel consumption at Low speed (WLTP) 14.4 l/100 km (16.3 US mpg, 19.6 UK mpg, 6.9 km/l)
Fuel consumption at Medium speed (WLTP) 9.4 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l)
Fuel consumption at high speed (WLTP) 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l)
Fuel consumption at very high speed (WLTP) 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l)
Combined fuel consumption (WLTP) 9-9.5 l/100 km (26.1 – 24.8 US mpg, 31.4 – 29.7 UK mpg, 11.1 – 10.5 km/l)
CO2 emissions (WLTP) 206-216 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 4.4 sec
Acceleration 0 – 62 mph 4.4 sec
Acceleration 0 – 60 mph 4.2 sec
Maximum speed 250 km/h (155.34 mph), Electronically limited
Emission standard Euro 6e
Weight-to-power ratio 4.3 kg/Hp, 232.6 Hp/tonne
Weight-to-torque ratio 3.6 kg/Nm, 276.2 Nm/tonne
Battery voltage 48 V
Battery technology Lithium-ion (Li-Ion)
Electric motor power 14 Hp
Electric motor location Front, Longitudinal
Power 421 Hp @ 6750 rpm
Power per litre 211.5 Hp/l
Torque 500 Nm @ 5000 rpm (368.78 lb.-ft. @ 5000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 139
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 10:1
Number of valves per cylinder 4
Fuel injection system Direct injection and Multi-port manifold injection
Engine aspiration Electric Assisted Turbocharger, Intercooler
Valvetrain DOHC
Engine oil capacity 6 l (6.34 US qt | 5.28 UK qt)
Kerb Weight 1810 kg (3990.37 lbs.)
Max. weight 2400 kg (5291.09 lbs.)
Max load 590 kg (1300.73 lbs.)
Trunk (boot) space – minimum 490 l (17.3 cu. ft.)
Trunk (boot) space – maximum 1510 l (53.33 cu. ft.)
Fuel tank capacity 66 l (17.44 US gal | 14.52 UK gal)
Max. roof load 100 kg (220.46 lbs.)
Permitted trailer load with brakes (12%) 1800 kg (3968.32 lbs.)
Permitted trailer load without brakes 750 kg (1653.47 lbs.)
Permitted towbar download 75 kg (165.35 lbs.)
Length 4793 mm (188.7 in.)
Width 1824 mm (71.81 in.)
Width including mirrors 2033 mm (80.04 in.)
Height 1454 mm (57.24 in.)
Wheelbase 2865 mm (112.8 in.)
Front track 1593 mm (62.72 in.)
Rear (Back) track 1604 mm (63.15 in.)
Front overhang 835 mm (32.87 in.)
Rear overhang 1093 mm (43.03 in.)
Minimum turning circle (turning diameter) 11.98 m (39.3 ft.)
Front brakes Ventilated discs
Rear brakes Ventilated discs
Front tires 245/45 R18; 245/40 R19; 245/35 R20
Rear tires 245/45 R18; 265/35 R19; 265/30 R20

Powertrain & Engine Architecture

The heart of the AMG C 43 4MATIC is the M 139 2.0-liter inline-four cylinder engine. This engine is notable for its impressive specific output, producing 211.5 horsepower per liter. It utilizes a twin-scroll turbocharger with an electric auxiliary compressor, effectively eliminating turbo lag and providing instant throttle response. Direct fuel injection, combined with multi-port manifold injection, optimizes combustion efficiency and power delivery. The engine also incorporates an integrated 48-volt mild hybrid system, featuring a belt-driven starter-generator. This system provides an additional 14 horsepower of output and enables functions like gliding, boosting, and recuperative braking, enhancing both performance and fuel economy. Power is transmitted to all four wheels via a nine-speed AMG SPEEDSHIFT MCT (Multi Clutch Technology) automatic transmission. This transmission features a wet clutch pack instead of a traditional torque converter, resulting in faster and more direct gear changes.

Driving Characteristics

The AMG C 43 4MATIC delivers a noticeably sporty driving experience. The combination of the turbocharged engine, mild hybrid system, and quick-shifting transmission results in brisk acceleration, achieving 0-60 mph in approximately 4.2 seconds. The all-wheel-drive system provides excellent traction, particularly in adverse weather conditions. While the 2.0-liter engine doesn’t possess the raw power of larger displacement engines, its responsiveness and broad torque curve make it enjoyable to drive in a variety of situations. The AMG-tuned suspension and steering contribute to a more engaging and connected feel, although the ride quality can be firmer than standard C-Class models. The MCT transmission offers precise control, with paddle shifters allowing for manual gear selection.

Equipment & Trim Levels

The AMG C 43 4MATIC comes standard with a comprehensive array of features, including AMG-specific styling elements, such as a unique front grille, rear diffuser, and exhaust system. The interior boasts sport seats upholstered in Artico leather and Dinamica microfiber, along with AMG-branded steering wheel and pedals. Standard technology includes the Mercedes-Benz User Experience (MBUX) infotainment system with a large touchscreen display, digital instrument cluster, and a premium sound system. Optional extras include a panoramic sunroof, head-up display, advanced driver-assistance systems, and a variety of interior trim options.

Chassis & Braking

The AMG C 43 4MATIC features a sport-tuned suspension with adaptive damping, allowing drivers to adjust the ride comfort and handling characteristics. The front suspension utilizes a four-link design, while the rear employs a multi-link setup. Both ends are equipped with stabilizer bars to reduce body roll. Braking duties are handled by ventilated discs on all four wheels, with AMG-branded calipers. The braking system is enhanced by ABS (Anti-lock Braking System) and other electronic stability control features. The vehicle also benefits from a 4-wheel steering system, improving agility and maneuverability at both low and high speeds.

Market Reception & Comparison

The AMG C 43 4MATIC has been generally well-received by automotive critics, who praise its performance, handling, and overall refinement. Compared to the standard C-Class models, the C 43 offers a significant upgrade in terms of power and driving dynamics. It provides a compelling alternative to rivals such as the BMW M340i and Audi S4. While its fuel economy is lower than that of the base C-Class models, it remains competitive within its segment. Reliability appears to be on par with other Mercedes-Benz vehicles, with no major issues reported to date.

Legacy

The M 139 engine, as used in the C 43, represents a significant step forward in forced induction technology. Its combination of high output and efficiency sets a new benchmark for 2.0-liter engines. The AMG SPEEDSHIFT MCT transmission further enhances the driving experience, providing quick and precise gear changes. As a relatively new model, the long-term reliability of the C 43 4MATIC remains to be seen. However, given Mercedes-Benz’s reputation for quality and engineering, it is expected to hold its value well in the used car market.

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