The Mercedes-Benz C-Class Coupe (C205), particularly the facelifted version introduced in 2018, represented a significant step forward in the brand’s compact executive coupe offerings. Within this generation, the AMG C 43 4MATIC TCT variant, produced from 2018 to 2023, occupied a performance-oriented niche, bridging the gap between the standard C-Class coupes and the more potent AMG C 63. This model aimed to deliver a blend of everyday usability, luxurious appointments, and engaging driving dynamics, appealing to buyers seeking a sporty coupe without sacrificing comfort or practicality.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class Coupe (C205, facelift 2018) |
| Type | AMG C 43 V6 (390 Hp) 4MATIC TCT |
| Start of production | 2018 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| 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) | 216-230 g/km |
| Fuel consumption (economy) – urban | 12.4-12.7 l/100 km (19 – 18.5 US mpg, 22.8 – 22.2 UK mpg, 8.1 – 7.9 km/l) |
| Fuel consumption (economy) – extra urban | 7.3-7.7 l/100 km (32.2 – 30.5 US mpg, 38.7 – 36.7 UK mpg, 13.7 – 13 km/l) |
| Fuel consumption (economy) – combined | 9.2-9.5 l/100 km (25.6 – 24.8 US mpg, 30.7 – 29.7 UK mpg, 10.9 – 10.5 km/l) |
| CO2 emissions | 212-217 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 | 4.3 kg/Hp, 234.9 Hp/tonne |
| Weight-to-torque ratio | 3.2 kg/Nm, 313.3 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 | 1660 kg (3659.67 lbs.) |
| Max. weight | 2185 kg (4817.1 lbs.) |
| Max load | 525 kg (1157.43 lbs.) |
| Trunk (boot) space – minimum | 400 l (14.13 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 1000 kg (2204.62 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4693 mm (184.76 in.) |
| Width | 1810 mm (71.26 in.) |
| Height | 1402 mm (55.2 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 | 1056 mm (41.57 in.) |
| Ride height (ground clearance) | 90 mm (3.54 in.) |
| 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 |
| Front tires | 225/45 ZR18 |
| Rear tires | 245/40 ZR18 |
| Front wheel rims | 7.5J x 18 |
| Rear wheel rims | 8.5J x 18 |
Powertrain & Engine Architecture
The heart of the AMG C 43 4MATIC TCT is the M276.823 3.0-liter V6 engine. This engine utilizes a bi-turbocharger setup, employing one exhaust gas turbocharger and one electric auxiliary compressor. This combination effectively mitigates turbo lag, providing a more responsive and linear power delivery across the rev range. Direct fuel injection is employed for precise fuel metering and optimized combustion. 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. The engine is longitudinally mounted, driving all four wheels through the 9G-TRONIC automatic transmission, branded as AMG SPEEDSHIFT TCT. This transmission features a torque converter and allows for quick and smooth gear changes.
Driving Characteristics
The AMG C 43 delivers a noticeably more engaging driving experience than the standard C-Class coupes. The 0-60 mph acceleration time of 4.5 seconds is brisk, and the engine provides ample power for confident overtaking maneuvers. The 9G-TRONIC transmission is well-tuned, offering both comfortable cruising and responsive downshifts when needed. The 4MATIC all-wheel-drive system provides excellent traction, particularly in adverse weather conditions. While not as raw or track-focused as the C 63, the C 43 strikes a good balance between performance and everyday usability. The steering is precise, and the suspension, while firm, remains compliant enough for comfortable long-distance driving.
Equipment & Trim Levels
The AMG C 43 4MATIC TCT came generously equipped as standard. Key features included AMG-specific styling cues (body kit, wheels, interior trim), a sports suspension, performance brakes, and a premium sound system. Inside, the C 43 typically featured sport seats upholstered in a combination of leather and Dinamica microfiber. Optional extras included a panoramic sunroof, advanced driver-assistance systems (such as adaptive cruise control and lane-keeping assist), and upgraded interior trim options. The infotainment system featured a central display screen controlled by a rotary dial and touchpad, offering navigation, connectivity, and entertainment features.
Chassis & Braking
The C 43 benefits from a sport-tuned chassis with revised suspension geometry and stiffer springs and dampers compared to the standard C-Class Coupe. The front suspension utilizes a multi-link design, while the rear also employs a multi-link setup. Braking duties are handled by ventilated discs on all four wheels, with larger rotors and upgraded calipers compared to the base models. ABS (Anti-lock Braking System) is standard, along with electronic stability control. The steering system is a rack-and-pinion type with electric power assistance.
Market Reception & Comparison
The AMG C 43 4MATIC TCT was generally well-received by automotive critics. It was praised for its strong performance, comfortable ride, and luxurious interior. Compared to the standard C-Class coupes, the C 43 offered a significant upgrade in terms of power and handling. Against rivals such as the Audi S5 Coupe and BMW 440i Coupe, the C 43 held its own, offering a compelling combination of performance, luxury, and technology. Fuel economy, however, was a common criticism, with combined fuel consumption figures ranging from 9.2 to 9.5 l/100 km. The C 43 positioned itself as a more accessible entry point into the AMG performance range, appealing to buyers who desired a sporty coupe without the higher price tag and more aggressive character of the C 63.
Legacy
The Mercedes-Benz C 43 4MATIC TCT (C205) has proven to be a relatively reliable performer in the used car market. The M276 engine, while complex, is generally considered robust when properly maintained. Regular servicing, including oil changes and adherence to the manufacturer’s maintenance schedule, is crucial for long-term reliability. Common issues reported by owners include occasional turbocharger problems and potential issues with the electrical system. However, these are not widespread concerns. Today, the C 43 represents a good value proposition for buyers seeking a stylish and capable performance coupe with a prestigious badge.




