Mercedes-Benz S-class W221, facelift 2009 S 350 BlueEFFICIENCY (306 Hp) 4MATIC G-TRONIC


Overall Rating

8.3 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 4.0 / 5
Performance 4.5 / 5
Comfort 5.0 / 5
People\'s Opinion N/A / 5
Not Rated

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 370 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~10.85 l/100km). With a weight of 1905 kg, it falls in the mid‑range. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is good (0–100 km/h in 6.9 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.

S 350 BlueEFFICIENCY (306 Hp) 4MATIC G-TRONIC Verdict:

Rating 4 stars

Performance Verdict

Strong and refined V6, with 4MATIC offering confident handling and improved traction in varied conditions.

Fuel Economy

Good fuel economy for an AWD petrol S-Class, balancing performance with reasonable running costs.

Best Use Case: All-weather luxury, offering a modern, balanced blend of performance and efficiency with enhanced grip.

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(W221, facelift 2009: 2010 - 2013).

General:
Brand:Mercedes-Benz
Model:S-class
Generation:W221, facelift 2009
Modification (Engine):S 350 BlueEFFICIENCY (306 Hp) 4MATIC G-TRONIC
Start of production:2011
End of production:2013
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:5
Doors:4
Engine:
Power:306 Hp @ 6500 rpm. Same horsepower
Power per litre:87.5 Hp/l [Same length.]
Torque:370 Nm @ 3500 rpm.
Engine Model/Code:M 276.950 More details about the engine M 276.950
Engine displacement:3498
Number of cylinders:6
Engine configuration:V-engine
Number of valves per cylinder:4
Fuel injection system:Direct injection
Engine aspiration:Naturally aspirated engine
Engine oil capacity:6.5 l
Engine layout:Front, Longitudinal
Compression ratio:12:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:10.8-10.9 l/100 km
Fuel consumption (economy) - extra urban:6.5-6.7 l/100 km
Fuel consumption (economy) - combined:8.1-8.3 l/100 km
Emission standard:Euro 5
Acceleration 0 - 100 km/h:6.9 sec
Acceleration 0 - 62 mph:6.9 sec
Maximum speed:250 km/h
Weight-to-power ratio:6.2 kg/Hp, 160.6 Hp/tonne
Weight-to-torque ratio:5.1 kg/Nm, 194.2 Nm/tonne
Acceleration 0 - 60 mph:6.6 sec
Space:
Kerb Weight:1905
Max. weight:2580
Max load:675
Trunk (boot) space - minimum:560 l
Fuel tank capacity:83 l
Size:
Length:5096 mm mm [Same length.]
Width:1871 mm mm [Same width.]
Height:1479 mm mm [Same height.]
Wheelbase:3035 mm mm [Same wheelbase.]
Width including mirrors:2120 mm
Front track:1600 mm
Rear (Back) track:1606 mm
Front overhang:888 mm
Rear overhang:1173 mm
Minimum turning circle (turning diameter):11.8 m [above average]
Powertrain:
Drive wheelAll wheel drive (4x4)
Number of gears7
Transmission typeAutomatic
Gearbox typeG-TRONIC
Front brakesDisc [above average]
Rear brakesDisc [above average]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Tires size235/55 R17
Wheel rims size17

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