The Mercedes-Benz E 500 BlueEFFICIENCY T-modell (S212) was a high-performance variant of the E-Class wagon, produced between 2011 and January 2013. Positioned as the flagship engine option within the S212 estate range, it combined a powerful V8 engine with the sophisticated 7G-TRONIC PLUS automatic transmission. This model aimed to deliver both luxurious practicality and exhilarating performance, appealing to buyers seeking a versatile vehicle without compromising on driving dynamics. It sat above the E 350 and E 250 CDI models in terms of performance and price, offering a more exclusive experience.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-class |
| Generation | E-class T-modell (S212) |
| Type | E 500 BlueEFFICIENCY V8 (408 Hp) 7G-TRONIC PLUS |
| Start of production | 2011 |
| End of production | January, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 12.9 l/100 km (18.2 US mpg, 21.9 UK mpg) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg) |
| Fuel consumption (combined) | 9.3 l/100 km (25.3 US mpg, 30.4 UK mpg) |
| CO2 emissions | 216 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.4 sec |
| Acceleration 0 – 62 mph | 5.4 sec |
| Acceleration 0 – 60 mph | 5.1 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 4.8 kg/Hp |
| Weight-to-torque ratio | 3.3 kg/Nm |
| Power | 408 Hp @ 5000-5750 rpm |
| Torque | 600 Nm @ 1600-4750 rpm (442.54 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 278.922 |
| Engine displacement | 4663 cm3 (284.55 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 92.9 mm (3.66 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant capacity | 12.3 l (13 US qt | 10.82 UK qt) |
| Kerb Weight | 1955 kg (4310.04 lbs.) |
| Max. weight | 2610 kg (5754.07 lbs.) |
| Max load | 655 kg (1444.03 lbs.) |
| Trunk (boot) space – minimum | 695 l (24.54 cu. ft.) |
| Trunk (boot) space – maximum | 1950 l (68.86 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 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.) |
| Permitted towbar download | 84 kg (185.19 lbs.) |
| Length | 4895 mm (192.72 in.) |
| Width | 1854 mm (72.99 in.) |
| Width including mirrors | 2071 mm (81.54 in.) |
| Height | 1515 mm (59.65 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1583 mm (62.32 in.) |
| Rear track | 1604 mm (63.15 in.) |
| Front overhang | 841 mm (33.11 in.) |
| Rear overhang | 1180 mm (46.46 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle | 11.25 m (36.91 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC PLUS |
| Front suspension | Independent multi-link suspension, Transverse stabilizer, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension, Transverse stabilizer |
| Front brakes | Ventilated discs, 360 mm |
| Rear brakes | Ventilated discs, 320 mm |
Powertrain & Engine Architecture
The heart of the E 500 BlueEFFICIENCY T-modell was the M278.922 4.7-liter V8 engine. This engine featured direct fuel injection and twin turbochargers, resulting in a substantial 408 horsepower and 442 lb-ft of torque. The ‘BlueEFFICIENCY’ designation indicated the inclusion of technologies aimed at improving fuel economy, such as cylinder deactivation and optimized thermal management. The engine utilized a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, was specifically tuned to handle the high output of the V8. This transmission offered smooth and responsive shifts, contributing to both performance and comfort.
Driving Characteristics
The E 500 T-modell delivered a noticeably different driving experience compared to the four-cylinder or six-cylinder E-Class wagons. The V8 engine provided effortless acceleration, with a 0-60 mph time of around 5.1 seconds. The 7G-TRONIC PLUS transmission’s gear ratios were optimized for both performance and fuel efficiency, offering quick downshifts for overtaking and comfortable cruising at highway speeds. While the added weight of the V8 engine slightly impacted handling compared to lighter models, the standard air suspension helped to maintain a composed ride quality. The power delivery was smooth and linear, making it easy to modulate the throttle for precise control.
Equipment & Trim Levels
The E 500 BlueEFFICIENCY T-modell typically came well-equipped as standard. Interior features included leather upholstery, wood trim, and a premium sound system. Standard safety features included a comprehensive airbag system, stability control, and brake assist. Optional extras included features like a panoramic sunroof, advanced parking assist systems, and upgraded infotainment options. The trim level was generally positioned at the higher end of the E-Class range, reflecting the vehicle’s premium price point and performance capabilities.
Chassis & Braking
The S212 E-Class wagon featured an independent multi-link suspension at both the front and rear, providing a comfortable and controlled ride. The E 500 model benefited from standard air suspension on the rear axle, which allowed for adjustable ride height and damping. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. The front brakes measured 360mm in diameter, while the rear brakes were 320mm. Anti-lock braking system (ABS) and electronic stability control were standard features.
Market Reception & Comparison
The E 500 BlueEFFICIENCY T-modell was generally well-received by automotive critics, who praised its powerful engine, refined ride quality, and luxurious interior. However, its relatively high price and fuel consumption were noted as potential drawbacks. Compared to the E 350 wagon, the E 500 offered significantly more performance but at a higher cost. The E 250 CDI, while more fuel-efficient, lacked the V8’s outright power and refinement. The E 500 appealed to buyers who prioritized performance and luxury over fuel economy.
Legacy
The M278 engine family, including the one used in the E 500 T-modell, has proven to be relatively reliable, although preventative maintenance is crucial. The 7G-TRONIC PLUS transmission is also generally considered durable. In the used car market, the E 500 T-modell holds its value relatively well due to its performance and exclusivity. However, potential buyers should be aware of the higher maintenance costs associated with a high-performance V8 engine and ensure a thorough inspection before purchase. The combination of a powerful engine, spacious interior, and practical wagon body style makes the E 500 BlueEFFICIENCY T-modell a desirable vehicle for enthusiasts seeking a unique and capable luxury estate.
