The Mercedes-Benz CLS 350 BlueTEC 4MATIC, part of the X218 Shooting Brake facelift introduced in 2014, represented a unique blend of luxury, performance, and practicality within the Mercedes-Benz lineup. Produced through 2015, this variant combined a potent diesel V6 engine with a sophisticated all-wheel-drive system and a smooth-shifting 7G-TRONIC PLUS automatic transmission. It occupied a mid-range position within the CLS Shooting Brake family, offering a compelling alternative to the more powerful CLS 550 models and the performance-oriented AMG variants. The X218 generation, launched in 2012, was the first CLS offered as a practical shooting brake, expanding the appeal of the traditionally coupe-like CLS to buyers needing more cargo space.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLS |
| Generation | CLS Shooting Brake (X218, facelift 2014) |
| Type (Engine) | CLS 350 BlueTEC V6 (252 Hp) 4MATIC 7G-TRONIC PLUS |
| Start of production | 2014 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.3-8.1 l/100 km (28.3 – 29 US mpg) |
| Fuel consumption (extra urban) | 6.0-5.8 l/100 km (39.2 – 40.6 US mpg) |
| Fuel consumption (combined) | 6.8-6.6 l/100 km (34.6 – 35.6 US mpg) |
| CO2 emissions | 178-174 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.8 sec |
| Acceleration 0 – 62 mph | 6.8 sec |
| Acceleration 0 – 60 mph | 6.5 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.9 kg/Hp, 126.3 Hp/tonne |
| Weight-to-torque ratio | 3.2 kg/Nm, 310.8 Nm/tonne |
| Power | 252 Hp @ 3600 rpm |
| Torque | 620 Nm @ 1600-2400 rpm (457.29 lb.-ft. @ 1600-2400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 642.858 |
| Engine displacement | 2987 cm3 (182.28 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Compression ratio | 15.5:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant capacity | 10.8 l (11.41 US qt | 9.5 UK qt) |
| Kerb Weight | 1995 kg (4398.22 lbs.) |
| Max. weight | 2520 kg (5555.65 lbs.) |
| Max load | 525 kg (1157.43 lbs.) |
| Trunk (boot) space – minimum | 590 l (20.84 cu. ft.) |
| Trunk (boot) space – maximum | 1550 l (54.74 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4953 mm (195 in.) |
| Width | 1881 mm (74.06 in.) |
| Width including mirrors | 2075 mm (81.69 in.) |
| Height | 1419 mm (55.87 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1596 mm (62.83 in.) |
| Rear track | 1629 mm (64.13 in.) |
| Front overhang | 898 mm (35.35 in.) |
| Rear overhang | 1181 mm (46.5 in.) |
| Minimum turning circle | 11.51 m (37.76 ft.) |
| Drivetrain Architecture | All wheel drive (4×4) |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Tires size | 245/45 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the CLS 350 BlueTEC was the OM 642.858 3.0-liter V6 diesel engine. This engine, a mainstay of the Mercedes-Benz lineup, featured a robust cast iron block and aluminum cylinder heads. It employed a sophisticated common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A variable geometry turbocharger with an intercooler further enhanced performance and efficiency. The engine produced 252 horsepower at 3600 rpm and a substantial 620 Nm (457 lb-ft) of torque between 1600 and 2400 rpm. This broad torque curve provided strong acceleration and effortless cruising. The engine also incorporated a diesel particulate filter (DPF) to meet stringent Euro 6 emission standards. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, was known for its smooth and responsive shifts. It was specifically tuned to complement the characteristics of the diesel engine, providing optimal gear selection for both fuel economy and performance.
Driving Characteristics
The CLS 350 BlueTEC 4MATIC offered a refined and comfortable driving experience. The abundant torque from the diesel engine allowed for brisk acceleration, with a 0-60 mph time of around 6.5 seconds. While not as overtly sporty as the CLS 550 or AMG models, the 350 BlueTEC provided ample power for everyday driving and highway passing. The 7G-TRONIC transmission shifted seamlessly, contributing to a relaxed and effortless feel. The 4MATIC all-wheel-drive system provided excellent traction in all weather conditions, enhancing stability and confidence. Compared to the rear-wheel-drive CLS 350, the 4MATIC version offered superior grip, particularly in slippery conditions. The automatic transmission, while smooth, didn’t offer the same level of driver engagement as the available manual transmissions in other CLS variants.
Equipment & Trim Levels
The CLS 350 BlueTEC 4MATIC came standard with a generous array of features, befitting its luxury positioning. These included leather upholstery, power-adjustable front seats with memory function, dual-zone automatic climate control, a premium audio system, and a navigation system. Standard safety features included ABS, stability control, multiple airbags, and a rearview camera. Optional extras included a panoramic sunroof, upgraded leather options, a driver assistance package (including adaptive cruise control and lane-keeping assist), and a premium sound system. The interior design was characterized by high-quality materials and a modern, elegant aesthetic.
Chassis & Braking
The CLS 350 BlueTEC utilized an independent suspension system at all four corners. The front suspension featured McPherson struts with coil springs and an anti-roll bar, while the rear suspension employed a multi-link setup. This configuration provided a comfortable ride and good handling characteristics. The braking system consisted of ventilated discs at the front and solid discs at the rear. ABS and stability control were standard features, enhancing safety and control. The steering was power-assisted, providing a light and precise feel.
Market Reception & Comparison
The CLS 350 BlueTEC 4MATIC was generally well-received by automotive critics. It was praised for its refined driving experience, fuel efficiency, and spacious interior. The diesel engine was lauded for its strong torque and smooth operation. Compared to the CLS 550, the 350 BlueTEC offered a more economical option without sacrificing a significant amount of performance. However, some critics noted that the automatic transmission lacked the engagement of a manual gearbox. Fuel economy was a strong point, with combined figures averaging around 35 mpg, making it a practical choice for long-distance driving.
Legacy
The OM 642 engine family, including the OM 642.858 found in the CLS 350 BlueTEC, is known for its durability and reliability. With proper maintenance, these engines can accumulate high mileage without major issues. The 7G-TRONIC transmission is also generally reliable, although some units may require fluid changes and occasional servicing. In the used car market, the CLS 350 BlueTEC 4MATIC represents a compelling value proposition, offering a luxurious and well-equipped vehicle at a reasonable price. However, potential buyers should be aware of the maintenance requirements associated with diesel engines, including DPF maintenance and potential AdBlue fluid refills.
