The Mercedes-Benz CLA 180d BlueEFFICIENCY Edition, produced from April 2016 to May 2018, represents an entry-level diesel variant within the C117 CLA Coupe facelift range. Positioned as a fuel-efficient option, it catered to European markets prioritizing economy and lower running costs. This model utilized a downsized 1.5-liter diesel engine paired with a six-speed manual transmission, distinguishing itself from higher-performance CLA variants like the CLA 250 or AMG CLA 45. The “BlueEFFICIENCY Edition” designation signified Mercedes-Benz’s focus on maximizing fuel economy through various optimization measures.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLA |
| Generation | CLA Coupe (C117, facelift 2016) |
| Type (Engine) | CLA 180d (109 Hp) BlueEFFICIENCY Edition |
| Start of production | April, 2016 |
| End of production | May, 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| Fuel consumption (extra urban) | 3.5 l/100 km (67.2 US mpg, 80.7 UK mpg, 28.6 km/l) |
| Fuel consumption (combined) | 4.0-3.7 l/100 km (58.8 – 63.6 US mpg, 70.6 – 76.3 UK mpg, 25 – 27 km/l) |
| CO2 emissions | 89 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.6 sec |
| Acceleration 0 – 62 mph | 11.6 sec |
| Acceleration 0 – 60 mph | 11 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.4 kg/Hp, 80.4 Hp/tonne |
| Weight-to-torque ratio | 5.2 kg/Nm, 191.9 Nm/tonne |
| Power | 109 Hp @ 4000 rpm |
| Power per litre | 74.6 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 |
| Number of valves per cylinder | 4 |
| 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 | 1355 kg (2987.26 lbs.) |
| Max. weight | 1850 kg (4078.55 lbs.) |
| Max load | 495 kg (1091.29 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Fuel tank capacity | 40 l (10.57 US gal | 8.8 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Length | 4640 mm (182.68 in.) |
| Width | 1777 mm (69.96 in.) |
| Width including mirrors | 2032 mm (80 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.) |
| Drag coefficient (Cd) | 0.23 |
| Minimum turning circle | 11.00 m (36.09 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson |
| 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 | 195/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The CLA 180d BlueEFFICIENCY Edition is powered by the OM607.951 engine, a 1.5-liter inline-four cylinder diesel. This engine is part of Mercedes-Benz’s modular engine family, designed for efficiency and reduced emissions. It features a turbocharger with an intercooler to boost power output, and utilizes a common-rail direct fuel injection system for precise fuel delivery. The engine produces 109 horsepower at 4000 rpm and 260 Nm (191.77 lb-ft) of torque between 1750 and 2500 rpm. The six-speed manual transmission was the sole gearbox option, prioritizing fuel economy over rapid acceleration. The engine incorporates a diesel particulate filter (DPF) to meet stringent Euro 6 emission standards.
Driving Characteristics
The 109 hp output and manual transmission configuration resulted in a driving experience focused on fuel efficiency rather than outright performance. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 11.6 seconds, and the top speed is limited to 190 km/h (118 mph). The gear ratios are tuned for maximizing fuel economy, meaning the engine needs to be revved to access its peak power. Compared to the CLA 200 or CLA 250 models, the 180d offers significantly less power and a slower response. However, the manual transmission provides a more engaging driving experience than an automatic, and the engine’s torque delivery makes it reasonably capable for everyday driving and highway cruising.
Equipment & Trim Levels
The BlueEFFICIENCY Edition trim typically included standard features such as air conditioning, a multi-function steering wheel, and a basic audio system. Interior upholstery was generally fabric, with options for leatherette available. The dashboard layout followed the standard C117 CLA design, featuring a central infotainment screen and a sporty three-spoke steering wheel. Optional extras included navigation systems, upgraded audio, parking sensors, and various driver assistance features. The “BlueEFFICIENCY Edition” package itself focused on aerodynamic enhancements and low-rolling-resistance tires to further improve fuel economy.
Chassis & Braking
The CLA 180d utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable ride quality. The braking system consists of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) is standard. Due to the lower weight compared to higher-powered CLA variants, the braking performance is adequate for typical driving conditions. The electric power steering provides light and precise steering feel.
Market Reception & Comparison
The CLA 180d BlueEFFICIENCY Edition was primarily targeted at buyers in Europe who prioritized fuel economy and low running costs. Critics generally praised its fuel efficiency, with combined fuel consumption figures ranging from 3.7 to 4.0 liters per 100 kilometers. However, the limited power output was often criticized, particularly when compared to other CLA models. The 180d offered a more affordable entry point into the CLA range, but at the expense of performance. Compared to the CLA 200, the 180d offered better fuel economy but significantly less power. The CLA 180d was a popular choice for fleet buyers and individuals seeking a stylish and economical coupe.
Legacy
The OM607.951 engine, while not known for exceptional longevity, has proven to be reasonably reliable when properly maintained. Common issues include DPF clogging (particularly with frequent short trips) and potential problems with the fuel injection system. In the used car market, the CLA 180d BlueEFFICIENCY Edition remains an attractive option for buyers seeking a fuel-efficient and stylish coupe. However, potential buyers should be aware of the potential maintenance costs associated with the diesel particulate filter and ensure the vehicle has a full service history. The model represents a key step in Mercedes-Benz’s efforts to offer more fuel-efficient vehicles, and its success paved the way for further development of downsized diesel engines.
