The Mercedes-Benz C-Class (W205), particularly the facelifted version introduced in 2018, represented a significant evolution of the brand’s compact executive car. Within this generation, the AMG C 43 4MATIC TCT variant, produced from 2018 to 2021, occupied a performance-oriented niche, bridging the gap between the standard C-Class models and the more potent AMG C 63. This model aimed to deliver a blend of everyday usability, luxury, and engaging driving dynamics, appealing to buyers seeking a step up in performance without the full commitment – or price tag – of the top-tier AMG offerings. It was positioned as a direct competitor to vehicles like the BMW 340i and Audi S4.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W205, facelift 2018) |
| Type | AMG C 43 V6 (390 Hp) 4MATIC TCT |
| Start of production | 2018 |
| End of production | 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption at Low speed (WLTP) | 9.5 l/100 km (24.8 US mpg, 29.7 UK mpg, 10.5 km/l) |
| Fuel consumption at very high speed (WLTP) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| CO2 emissions (WLTP) | 216-231 g/km |
| Fuel consumption (economy) – urban | 12.2-12.6 l/100 km (19.3 – 18.7 US mpg, 23.2 – 22.4 UK mpg, 8.2 – 7.9 km/l) |
| Fuel consumption (economy) – extra urban | 7.2-7.5 l/100 km (32.7 – 31.4 US mpg, 39.2 – 37.7 UK mpg, 13.9 – 13.3 km/l) |
| Fuel consumption (economy) – combined | 9.1-9.3 l/100 km (25.8 – 25.3 US mpg, 31 – 30.4 UK mpg, 11 – 10.8 km/l) |
| CO2 emissions | 208-213 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.7 sec |
| Acceleration 0 – 62 mph | 4.7 sec |
| Acceleration 0 – 60 mph | 4.5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d-TEMP |
| Weight-to-power ratio | 4.2 kg/Hp, 239.3 Hp/tonne |
| Weight-to-torque ratio | 3.1 kg/Nm, 319 Nm/tonne |
| Power | 390 Hp @ 6100 rpm |
| Power per litre | 130.2 Hp/l |
| Torque | 520 Nm @ 2500-5000 rpm (383.53 lb.-ft. @ 2500-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.823 |
| Engine displacement | 2996 cm3 (182.83 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 88 mm (3.46 in.) |
| Piston Stroke | 82.1 mm (3.23 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 10.9 l (11.52 US qt | 9.59 UK qt) |
| Kerb Weight | 1630 kg (3593.53 lbs.) |
| Max. weight | 2225 kg (4905.29 lbs.) |
| Max load | 595 kg (1311.75 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4699 mm (185 in.) |
| Width | 1810 mm (71.26 in.) |
| Height | 1429 mm (56.26 in.) |
| Wheelbase | 2840 mm (111.81 in.) |
| Front track | 1602 mm (63.07 in.) |
| Rear (Back) track | 1558 mm (61.34 in.) |
| Front overhang | 797 mm (31.38 in.) |
| Rear overhang | 1062 mm (41.81 in.) |
| Ride height (ground clearance) | 90 mm (3.54 in.) |
| Minimum turning circle (turning diameter) | 12.1 m (39.7 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 9 gears, automatic transmission TCT AMG SPEEDSHIFT |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 360 mm |
| Rear brakes | Ventilated discs, 320 mm |
INTRODUCTION
The AMG C 43 4MATIC TCT, launched as part of the W205 facelift in 2018, represented a significant step up in performance for the C-Class range. Built on the modular MRA (Mercedes-Benz Rear-wheel-drive architecture) platform, the W205 C-Class aimed to blend luxury, technology, and driving enjoyment. The C 43 specifically targeted enthusiasts who desired a more spirited driving experience than the standard C-Class models could offer, without venturing into the higher price bracket and more extreme performance of the C 63. It served as a key model in Mercedes-AMG’s strategy to expand its performance offerings and attract a wider customer base.
Powertrain & Engine Architecture
At the heart of the C 43 lies the M 276.823 3.0-liter V6 engine, heavily revised by AMG. This engine utilizes a bi-turbocharger setup, with one turbocharger positioned within the V of the engine and the other externally. This configuration helps to minimize turbo lag and deliver a broad torque curve. The engine employs direct fuel injection and features a compression ratio of 10.7:1. The engine produces 390 horsepower at 6,100 rpm and 520 Nm (383.53 lb-ft) of torque between 2,500 and 5,000 rpm.
Power is transmitted to all four wheels via Mercedes-Benz’s 4MATIC all-wheel-drive system and the 9G-TRONIC nine-speed automatic transmission, branded as AMG SPEEDSHIFT TCT. This transmission is specifically tuned for faster shift times and a more responsive feel. The TCT (Torque Clutch Technology) system uses a wet multi-disc clutch pack to distribute power between the front and rear axles, offering a rear-biased torque split for enhanced driving dynamics.
Driving Characteristics
The AMG C 43 4MATIC TCT delivers a noticeably more engaging driving experience compared to the standard C-Class. The 390 hp engine provides strong acceleration, with a 0-60 mph time of around 4.5 seconds. The nine-speed transmission offers quick and smooth shifts, and the all-wheel-drive system provides excellent traction in various conditions. While not as raw or visceral as the C 63, the C 43 offers a well-balanced blend of performance and comfort. The suspension is tuned to be firmer than the standard C-Class, providing better body control during cornering, but it remains compliant enough for everyday driving. The steering is precise and well-weighted, offering good feedback to the driver. The gear ratios are optimized for both acceleration and fuel efficiency, with taller gears for highway cruising and shorter gears for spirited driving.
Equipment & Trim Levels
The C 43 came well-equipped as standard, reflecting its position as a performance-oriented model. Standard features typically included AMG-specific styling elements, such as a unique front grille, side skirts, and rear diffuser. Inside, the C 43 featured sport seats upholstered in MB-Tex and Dinamica microfiber, an AMG steering wheel, and aluminum paddle shifters. The infotainment system included a 10.25-inch central display screen and a digital instrument cluster. Optional extras included leather upholstery, a panoramic sunroof, a Burmester surround sound system, and advanced driver-assistance systems such as adaptive cruise control and lane-keeping assist.
Chassis & Braking
The C 43 featured a revised suspension system compared to the standard C-Class, with stiffer springs and dampers. The front suspension utilized a multi-link design, while the rear suspension also employed a multi-link setup. The braking system consisted of ventilated discs on all four wheels, with larger front discs (360mm) and rear discs (320mm) compared to the standard C-Class. The AMG C 43 also included ABS (Anti-lock braking system) and electronic stability control as standard features.
Market Reception & Comparison
The AMG C 43 was generally well-received by automotive critics, who praised its blend of performance, luxury, and technology. It was often seen as a compelling alternative to rivals such as the BMW 340i and Audi S4. Critics noted that the C 43 offered a more refined and comfortable driving experience than some of its more hardcore competitors, while still delivering impressive performance. Fuel economy was considered reasonable for a performance car of its class, although it was not as efficient as the four-cylinder models in the C-Class range. Reliability reports have been generally positive, with no major issues reported with the engine or transmission.
Legacy
The AMG C 43 4MATIC TCT represents a significant step in Mercedes-AMG’s expansion of its performance offerings. It demonstrated the brand’s ability to deliver a compelling performance car that appeals to a wider audience. On the used car market, the C 43 remains a popular choice for buyers seeking a well-rounded and capable performance sedan. The 3.0-liter V6 engine and 9G-TRONIC transmission have proven to be reliable, and the car’s overall build quality is high. While maintenance costs may be higher than those of a standard C-Class, the C 43 offers a rewarding driving experience that continues to appeal to enthusiasts today.





