The Mercedes-Benz CLA 45 AMG, produced from July 2015 to April 2016, represents the high-performance variant of the C117 CLA Coupe. Positioned as the flagship model within the CLA range, it aimed to deliver exhilarating performance in a compact, stylish package. This variant distinguished itself through its potent turbocharged engine, advanced all-wheel-drive system, and a performance-tuned automatic transmission. It was a key offering for Mercedes-Benz in the burgeoning compact luxury segment, appealing to enthusiasts seeking a blend of practicality and driving excitement. The CLA 45 AMG was built on the 1HX0/A3 platform, shared with other compact Mercedes-Benz models.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLA |
| Generation | CLA Coupe (C117) |
| Type | AMG CLA 45 (381 Hp) 4MATIC AMG SPEEDSHIFT DCT |
| Start of production | July, 2015 |
| End of production | April, 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9.2-9.6 l/100 km (25.6 – 24.5 US mpg) |
| Fuel consumption (extra urban) | 5.6-6 l/100 km (42 – 39.2 US mpg) |
| Fuel consumption (combined) | 6.9-7.3 l/100 km (34.1 – 32.2 US mpg) |
| CO2 emissions | 162-171 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.2 sec |
| Acceleration 0 – 62 mph | 4.2 sec |
| Acceleration 0 – 60 mph | 4 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4 kg/Hp |
| Weight-to-torque ratio | 3.2 kg/Nm |
| Power | 381 Hp @ 6000 rpm |
| Torque | 475 Nm @ 2250-5000 rpm (350.34 lb.-ft. @ 2250-5000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | M 133.980 |
| 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.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-scroll turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1510 kg (3328.98 lbs.) |
| Max. weight | 2075 kg (4574.59 lbs.) |
| Max load | 565 kg (1245.61 lbs.) |
| Trunk (boot) space (minimum) | 470 l (16.6 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Length | 4691 mm (184.69 in.) |
| Width | 1777 mm (69.96 in.) |
| Width including mirrors | 2032 mm (80 in.) |
| Height | 1416 mm (55.75 in.) |
| Wheelbase | 2699 mm (106.26 in.) |
| Minimum turning circle | 11.04 m (36.22 ft.) |
| Drivetrain Architecture | All wheel drive (4×4) |
| Number of gears | 7 |
| Gearbox type | Automatic transmission AMG SPEEDSHIFT DCT |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 235/40 R18; 235/35 R19 |
| Wheel rims size | 8J x 18; 8J x 19 |
Powertrain & Engine Architecture
The heart of the CLA 45 AMG is the M133 980 2.0-liter inline-four cylinder engine. This engine is a highly sophisticated unit, featuring direct fuel injection and a twin-scroll turbocharger. The twin-scroll design minimizes turbo lag and enhances responsiveness. The engine produces 381 horsepower at 6000 rpm and 350 lb-ft of torque between 2250 and 5000 rpm. This output translates to a remarkably high specific output of approximately 191 horsepower per liter. The engine utilizes a DOHC (Dual Overhead Camshaft) valvetrain and features four valves per cylinder. The AMG SPEEDSHIFT DCT 7-speed dual-clutch transmission is specifically tuned for rapid gear changes and optimal performance. This transmission allows for both automatic and manual shifting via steering wheel-mounted paddle shifters.
Driving Characteristics
The CLA 45 AMG delivers a distinctly sporty driving experience. The combination of the powerful engine and the quick-shifting dual-clutch transmission results in brisk acceleration – 0 to 60 mph in around 4 seconds. The 4MATIC all-wheel-drive system provides excellent traction, particularly in adverse weather conditions. Compared to the standard CLA 250 models, the CLA 45 AMG offers significantly more power and a more aggressive driving feel. While the standard CLA models prioritize comfort and fuel efficiency, the AMG variant focuses on performance. The gear ratios are optimized for acceleration, with shorter gearing in the lower gears. The exhaust note is also more pronounced, adding to the sporty character.
Equipment & Trim Levels
The CLA 45 AMG came standard with a comprehensive list of features, including sport seats, a flat-bottom steering wheel, AMG-specific body styling, and a performance exhaust system. Interior upholstery typically consisted of a combination of leather and Dinamica microfiber. Optional extras included a panoramic sunroof, premium audio system, and advanced driver-assistance systems such as lane keeping assist and blind spot monitoring. The dashboard configuration featured AMG gauges and unique trim elements. The overall interior design aimed to balance luxury with a sporty aesthetic.
Chassis & Braking
The CLA 45 AMG features a sport-tuned suspension with stiffer springs and dampers compared to the standard CLA models. The front suspension utilizes a McPherson strut design, while the rear suspension employs a multi-link setup. Both ends are equipped with anti-roll bars to reduce body roll during cornering. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. The AMG braking system offered larger rotors and calipers for even greater performance. The electric power steering is calibrated for precise and responsive handling.
Market Reception & Comparison
The CLA 45 AMG was generally well-received by automotive critics, who praised its performance, handling, and stylish design. However, some reviewers noted that the ride quality could be firm, particularly on rough roads. Compared to other high-performance compact cars, such as the Audi S3 and BMW M235i, the CLA 45 AMG offered a competitive combination of power, features, and price. Fuel economy was respectable for a performance car, averaging around 34 mpg combined. Reliability reports have been generally positive, although some owners have reported minor issues with the infotainment system.
Legacy
The CLA 45 AMG established itself as a significant player in the high-performance compact segment. The M133 engine became renowned for its power and responsiveness. On the used car market, the CLA 45 AMG remains a desirable option for enthusiasts seeking a sporty and stylish coupe. The powertrain has proven to be relatively durable, with many examples exceeding 100,000 miles without major issues. Regular maintenance, including oil changes and timely servicing of the turbocharger, is crucial for long-term reliability. The CLA 45 AMG paved the way for future AMG models and solidified Mercedes-Benz’s position as a leader in the performance car market.

