The Mercedes-Benz CLA 180 CDI, equipped with the 7G-DCT dual-clutch transmission, was a key entry point into the C117 CLA Coupe range, produced from November 2013 to 2016. Positioned as the most fuel-efficient and accessible variant, it aimed to attract buyers seeking a premium compact coupe with lower running costs. This model played a significant role in broadening the appeal of the CLA, bringing the Mercedes-Benz brand to a wider audience, particularly in European markets where diesel engines and compact dimensions were highly valued. It represented a downsized, more economical alternative to the more powerful CLA 250 models.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLA |
| Generation | CLA Coupe (C117) |
| Type (Engine) | CLA 180 CDI (107 Hp) 7G-DCT |
| Start of production | November, 2013 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4.9-4.6 l/100 km (48 – 51.1 US mpg, 57.6 – 61.4 UK mpg, 20.4 – 21.7 km/l) |
| Fuel consumption (extra urban) | 3.8-3.4 l/100 km (61.9 – 69.2 US mpg, 74.3 – 83.1 UK mpg, 26.3 – 29.4 km/l) |
| Fuel consumption (combined) | 4.2-3.8 l/100 km (56 – 61.9 US mpg, 67.3 – 74.3 UK mpg, 23.8 – 26.3 km/l) |
| CO2 emissions | 109-99 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.9 sec |
| Acceleration 0 – 62 mph | 11.9 sec |
| Acceleration 0 – 60 mph | 11.3 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 13.8 kg/Hp, 72.5 Hp/tonne |
| Weight-to-torque ratio | 5.7 kg/Nm, 176.3 Nm/tonne |
| Power | 107 Hp @ 4000 rpm |
| Power per litre | 73.2 Hp/l |
| Torque | 260 Nm @ 1750-2500 rpm (191.77 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 607.951 |
| Engine displacement | 1461 cm3 (89.16 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 15.5:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Kerb Weight | 1475 kg (3251.82 lbs.) |
| Max. weight | 1955 kg (4310.04 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4630 mm (182.28 in.) |
| Width | 1777 mm (69.96 in.) |
| Height | 1432 mm (56.38 in.) |
| Wheelbase | 2699 mm (106.26 in.) |
| Front track | 1549 mm (60.98 in.) |
| Rear (Back) track | 1547 mm (60.91 in.) |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission G-DCT |
| 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 |
| Power steering | Electric Steering |
| Tires size | 205/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The CLA 180 CDI utilized the OM607.951 engine, a 1.5-liter inline-four cylinder diesel engine. This engine was part of Mercedes-Benz’s modular engine family, designed for efficiency and compactness. It featured a turbocharger with an intercooler to boost power output, and a common rail direct fuel injection system operating at a high pressure of 1600 bar. This system allowed for precise fuel delivery and optimized combustion. The engine boasted a relatively high compression ratio of 15.5:1, contributing to its thermal efficiency. The 7G-DCT (7-speed dual-clutch transmission) was a crucial component, offering quick and smooth gear changes. This transmission featured two separate clutches, one for odd gears and one for even gears, allowing for pre-selection of the next gear and minimizing interruption in power delivery.
Driving Characteristics
The 107 horsepower and 260 Nm (192 lb-ft) of torque delivered by the CLA 180 CDI, coupled with the 7G-DCT, provided adequate, though not exhilarating, performance. Acceleration from 0 to 100 km/h (0-62 mph) took around 11.9 seconds, and top speed was limited to 205 km/h (127 mph). The 7G-DCT transmission helped to maximize the available power, providing responsive shifts and contributing to a relatively smooth driving experience. Compared to the more powerful CLA 250 variants, the 180 CDI felt noticeably slower, particularly during overtaking maneuvers. However, the engine’s torque was readily available from low RPMs, making it suitable for everyday driving and urban conditions. The gear ratios were tuned for fuel efficiency, prioritizing economy over outright performance.
Equipment & Trim Levels
The CLA 180 CDI typically came standard with features such as air conditioning, a multi-function steering wheel, a basic audio system, and electrically adjustable mirrors. Safety features included ABS, ESP (Electronic Stability Program), and multiple airbags. Interior upholstery was generally cloth, with options for leather upgrades. Common optional extras included a sunroof, navigation system, upgraded audio systems, parking sensors, and various driver assistance packages. Trim levels were relatively simple, with the focus being on offering a well-equipped base model with a range of optional extras to personalize the vehicle. The interior design followed the modern Mercedes-Benz aesthetic, with a focus on clean lines and high-quality materials.
Chassis & Braking
The CLA 180 CDI featured independent multi-link suspension on both the front and rear axles, providing a comfortable ride and good handling characteristics. The front suspension utilized ventilated disc brakes, while the rear brakes were solid discs. The suspension setup was tuned to balance comfort and handling, offering a relatively compliant ride without sacrificing stability. The electric power steering provided light and precise steering feel. The weight distribution was fairly balanced, contributing to predictable handling. Stabilizer bars were fitted to both axles to reduce body roll during cornering.
Market Reception & Comparison
The CLA 180 CDI was generally well-received by critics for its fuel efficiency and affordability. It was praised for its comfortable ride and well-appointed interior, considering its price point. However, some reviewers noted that the engine lacked outright power and could feel strained when fully loaded or driving uphill. Compared to the CLA 200 or CLA 250 models, the 180 CDI offered significantly lower running costs but at the expense of performance. The 180 CDI was a popular choice for buyers prioritizing fuel economy and practicality over sporty driving dynamics. Its diesel engine also appealed to those covering high annual mileages.
Legacy
The OM607.951 engine, while not known for being exceptionally robust, proved to be generally reliable with proper maintenance. Common issues included diesel particulate filter (DPF) clogging, particularly on vehicles used primarily for short journeys. The 7G-DCT transmission also required regular servicing to ensure smooth operation. Today, used CLA 180 CDI models represent a relatively affordable entry point into Mercedes-Benz ownership. They continue to appeal to buyers seeking a fuel-efficient and stylish compact coupe. However, potential buyers should be aware of the potential maintenance costs associated with the DPF and transmission, and ensure that the vehicle has been properly serviced throughout its life.
