The Mercedes-Benz E 280 CDI, produced between 2004 and 2005, was a significant variant within the W211 E-Class range. Positioned as a mid-range offering, it combined a powerful diesel engine with a smooth-shifting automatic transmission, appealing to buyers seeking both performance and efficiency in a luxury sedan. This model represented a key part of Mercedes-Benz’s strategy to offer compelling diesel options in the European market, where diesel fuel was more prevalent and often incentivized. The W211 generation, produced from 2002 to 2009, aimed to modernize the E-Class while maintaining its reputation for comfort, safety, and engineering excellence.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-class |
| Generation | E-class (W211) |
| Type (Engine) | E 280 CDI (177 Hp) 5G-TRONIC |
| Start of production | 2004 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9.9 l/100 km (23.8 US mpg) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg) |
| Fuel consumption (combined) | 7.3 l/100 km (32.2 US mpg) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.2 sec |
| Acceleration 0 – 62 mph | 9.2 sec |
| Acceleration 0 – 60 mph | 8.7 sec |
| Maximum speed | 228 km/h (141.67 mph) |
| Weight-to-power ratio | 9.7 kg/Hp |
| Weight-to-torque ratio | 4 kg/Nm |
| Power | 177 Hp @ 4200 rpm |
| Torque | 425 Nm @ 1800 rpm (313.46 lb.-ft. @ 1800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 648.961 |
| Engine displacement | 3222 cm3 (196.62 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1720 kg (3791.95 lbs.) |
| Max. weight | 2245 kg (4949.38 lbs.) |
| Max load | 525 kg (1157.43 lbs.) |
| Trunk (boot) space – minimum | 540 l (19.07 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Permitted trailer load with brakes (12%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4818 mm (189.69 in.) |
| Width | 1822 mm (71.73 in.) |
| Height | 1452 mm (57.17 in.) |
| Wheelbase | 2854 mm (112.36 in.) |
| Front track | 1577 mm (62.09 in.) |
| Rear (Back) track | 1570 mm (61.81 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the E 280 CDI is the OM 648.961, a 3.2-liter inline-six cylinder diesel engine. This engine was a cornerstone of Mercedes-Benz’s diesel offerings during this period, known for its robust construction and relatively smooth operation for a diesel. It featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion and reduced emissions. A turbocharger with an intercooler further enhanced performance, boosting power output to 177 horsepower and a substantial 425 Nm (313 lb-ft) of torque. The torque curve was particularly flat, providing ample pulling power across a wide range of engine speeds. The engine utilized a single overhead camshaft (SOHC) valvetrain. The 5G-TRONIC automatic transmission, a five-speed unit, was specifically tuned to complement the diesel engine’s characteristics. It offered smooth and responsive shifts, contributing to a comfortable driving experience.
Driving Characteristics
The E 280 CDI with the 5G-TRONIC transmission delivered a refined and capable driving experience. While not as overtly sporty as some of its gasoline-powered siblings, it offered strong acceleration, particularly in the mid-range, thanks to the abundant torque. The 0-60 mph time of around 8.7 seconds was respectable for a luxury sedan of this size and weight. The automatic transmission’s gear ratios were optimized for both fuel efficiency and performance, providing seamless transitions during acceleration and maintaining comfortable cruising speeds on the highway. Compared to the manual transmission versions, the automatic offered greater convenience, especially in urban driving. However, some drivers might have noted a slight reduction in responsiveness and fuel economy. Compared to the more powerful E 320 CDI, the E 280 CDI offered a more balanced approach, prioritizing fuel efficiency and affordability without sacrificing a significant amount of performance.
Equipment & Trim Levels
The E 280 CDI typically came well-equipped, reflecting Mercedes-Benz’s commitment to luxury and comfort. Standard features included automatic climate control, power windows and locks, a multi-function steering wheel, and a high-quality audio system. Interior upholstery was typically a combination of cloth and leatherette, with full leather options available as an upgrade. Optional extras included a sunroof, navigation system, premium sound system, and various driver assistance features. The dashboard layout was typical of the W211 E-Class, characterized by a clean and elegant design with a focus on ergonomics. Trim levels varied depending on the market, but generally, the E 280 CDI occupied a mid-range position, offering a good balance of features and price.
Chassis & Braking
The W211 E-Class featured a sophisticated chassis design aimed at providing a comfortable ride and precise handling. The front suspension utilized a double wishbone setup, while the rear employed an independent multi-link spring suspension with a stabilizer bar. This configuration minimized body roll and provided a stable platform for cornering. The E 280 CDI was equipped with ventilated disc brakes at the front and solid discs at the rear, providing ample stopping power. Anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking situations. The steering system was a rack and pinion type with hydraulic power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The E 280 CDI was generally well-received by automotive critics, who praised its refined engine, comfortable ride, and spacious interior. Fuel economy was a significant selling point, particularly in Europe, where diesel fuel was more affordable and readily available. Compared to the gasoline-powered E 280, the CDI offered significantly better fuel efficiency without a substantial compromise in performance. However, some critics noted that the diesel engine was slightly noisier than its gasoline counterpart. Reliability was generally good, although some owners reported issues with the diesel particulate filter (DPF) and the electronic systems.
Legacy
The E 280 CDI, and the OM 648 engine family as a whole, has proven to be a relatively durable and reliable powertrain. While older examples may require maintenance on components like the turbocharger and fuel injectors, the engine itself is known for its longevity. In the used car market, the E 280 CDI remains a popular choice for buyers seeking a comfortable, fuel-efficient, and well-equipped luxury sedan. Its reputation for reliability and relatively low running costs has helped it maintain its value over time. The W211 E-Class, including the E 280 CDI, represents a significant chapter in Mercedes-Benz’s history, showcasing the brand’s commitment to innovation, quality, and driving pleasure.
