Mercedes-Benz S-class W221, facelift 2009 S 400 V6 (299 Hp) HYBRID 7G-TRONIC
People\'s Opinion
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Mercedes-Benz S-class:
The Mercedes-Benz S-Class, formerly known as "special class" , is a series of full-sized luxury sedans and coupés produced by the German automaker Mercedes-Benz. The S-Class is the designation for top-of-the-line Mercedes-Benz models and was officially introduced in 1972 with the W116, and has remained in use ever since. The S-Class is the flagship vehicle for Mercedes-Benz, being positioned above the other Mercedes-Benz models.
The S-Class has debuted many of the company's latest innovations, including drivetrain technologies, interior features, and safety systems. The S-Class has ranked as the world's best-selling luxury sedan. In automotive terms, Sonderklasse refers to "a specially outfitted car. " Although used colloquially for decades, following its official application in 1972, six generations of officially named S-Klasse sedans have been produced....(Read more on Wikipedia)
W221, facelift 2009 Overview:
Mercedes-Benz S-class (W221, facelift 2009). With 350 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~10.8 l/100km). With a weight of 1880 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is good (0–100 km/h in 7.2 s). The top speed reaches 250 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.
Performance Verdict
Smooth and quiet, with electric assist providing good initial torque, but overall performance is moderate for an S-Class.
Fuel Economy
Decent fuel economy for a petrol S-Class, particularly beneficial in urban environments where the hybrid system can recover energy.
Best Use Case:
Urban commuting and environmentally conscious luxury, offering a glimpse into future powertrain technology.
Pros and Cons:
Pros:
- • Unrivaled ride comfort and cabin refinement
- • Sophisticated technology and luxurious interior materials
- • Wide range of powerful and efficient engine options, including AMG variants
- • Timeless and elegant exterior design
- • Exceptional long-distance cruiser
Cons:
- • High running costs, including fuel, insurance, and premium maintenance
- • Complex electronics can lead to expensive repairs over time
- • Air suspension (Airmatic) can be prone to issues, requiring costly fixes
- • Rapid depreciation from new, though this benefits used buyers
- • Some older V8 engines are particularly thirsty
Specifications:
Specifications are compared to those of the previous generation(W140, facelift 1994: June, 1996 - August, 1998).
| General: |
| Brand: | Mercedes-Benz |
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| Model: | S-class |
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| Generation: | W221, facelift 2009 |
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| Modification (Engine): | S 400 V6 (299 Hp) HYBRID 7G-TRONIC |
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| Start of production: | June, 2009 |
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| End of production: | May, 2013 |
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| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) |
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| Body type: | Sedan |
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| Seats: | 5 |
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| Doors: | 4 |
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| Engine: |
| Engine systems: | Start & Stop System |
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| Power: | 279 Hp @ 6000 rpm. Same horsepower |
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| Power per litre: | 79.8 Hp/l [17mm less] |
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| Torque: | 350 Nm @ 3000-5500 rpm. |
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| Engine Model/Code: | M 272.974 More details about the engine M 272.974 |
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| Engine displacement: | 3498 |
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| Number of cylinders: | 6 |
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| Engine configuration: | V-engine |
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| Number of valves per cylinder: | 4 |
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| Fuel injection system: | Multi-port manifold injection |
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| Engine aspiration: | Naturally aspirated engine |
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| Valvetrain: | DOHC |
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| Engine oil capacity: | 8 l |
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| Engine layout: | Front, Longitudinal |
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| Cylinder Bore: | 92.9 mm mm |
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| Piston Stroke: | 86 mm mm |
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| Compression ratio: | 11.7:1 |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Fuel consumption (economy) - urban: | 10.7-10.9 l/100 km |
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| Fuel consumption (economy) - extra urban: | 6.3-6.5 l/100 km |
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| Fuel consumption (economy) - combined (NEDC): | 7.9-8.1 l/100 km |
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| Fuel consumption (economy) - urban (NEDC): | 10.7-10.9 l/100 km |
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| Fuel consumption (economy) - extra urban (NEDC): | 6.3-6.5 l/100 km |
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| Fuel consumption (economy) - combined: | 7.9-8.1 l/100 km |
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| Emission standard: | Euro 5 |
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| Acceleration 0 - 100 km/h: | 7.2 sec |
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| Acceleration 0 - 62 mph: | 7.2 sec |
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| Maximum speed: | 250 km/h, Electronically limited |
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| Weight-to-power ratio: | 6.3 kg/Hp, 159 Hp/tonne |
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| Weight-to-torque ratio: | 5.4 kg/Nm, 186.2 Nm/tonne |
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| Acceleration 0 - 60 mph: | 6.8 sec |
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| Space: |
| Kerb Weight: | 1880 |
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| Max. weight: | 2550 |
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| Max. roof load: | 100 kg |
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| Max load: | 670 |
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| Trunk (boot) space - minimum: | 560 l |
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| Fuel tank capacity: | 90 l |
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| Size: |
| Length: | 5096 mm mm [17mm less] |
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| Width: | 1871 mm mm [15mm less] |
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| Height: | 1479 mm mm [7mm less] |
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| Wheelbase: | 3035 mm mm [5mm less] |
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| Front track: | 1600 mm |
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| Rear (Back) track: | 1608 mm |
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| Front overhang: | 888 mm |
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| Rear overhang: | 1173 mm |
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| Minimum turning circle (turning diameter): | 11.8 m [above average] |
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| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) and electric motor drive the rear wheels of the car with the ability to work only in mixed mode. |
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| Drive wheel | Rear wheel drive |
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| Number of gears | 7 |
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| Transmission type | Automatic |
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| Gearbox type | G-TRONIC |
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| Front brakes | Ventilated discs [Best for performance and cooling.] |
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| Rear brakes | Disc [above average] |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Steering rack and pinion |
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| Power steering | Electric Steering |
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| Tires size | 235/55 R17 |
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| Wheel rims size | 8J x 17 |
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| Front suspension | Independent multi-link suspension, Transverse stabilizer, Air suspension |
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| Rear suspension | Independent multi-link suspension, Air suspension, Transverse stabilizer |
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| Electric: |
| Battery technology: | Lithium-ion (Li-Ion) |
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| Battery location: | Under the front hood |
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| System power: | 299 Hp |
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| Electric motor power: | 20 Hp |
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| Electric motor location: | Between the combustion engine and the transmission |
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| Electric motor type: | Synchronous |
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| Battery voltage: | 120 V |
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Every driver has a story. What’s yours with the Mercedes-Benz S-class?