Car comparison

Mercedes-Benz S-class (W221) · Facelift 2009 S 500 BlueEFFICIENCYvsMercedes-Benz S-class (W222) · Facelift 2017 S 400d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz S-class (W221) · Facelift 2009

S 500 BlueEFFICIENCY

435 hp4663 ccGasolineAWDAutomaticTwin-turboSedan2011-2013
VS

Mercedes-Benz S-class (W222) · Facelift 2017

S 400d

340 hp2925 ccDieselRWDAutomaticTurbochargedSedan2017-2020

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    435 hp
    324 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Best power-to-weight
    218 hp/t
    162 kW/t
    4.6 kg/hp
  • Largest trunk
    560 L
  • Best overall score
    79/100
  • Best performance score
    79/100
  • Best practicality score
    78/100

Mercedes-Benz S-class (W222) Facelift 2017 S 400d

  • Lightest
    1,930 kg
    4,255 lb
  • Lowest combined fuel consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest city consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    139 g/km
  • Best estimated range
    1,296 km
    805 mi
  • Best economy score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class (W222)Facelift 2017S 400d
Power
435hp324kW
340hp254kW
Torque
700Nm516lb-ft
700Nm516lb-ft
Curb weight
2,000kg4,409lb
1,930kg4,255lb
Gross weight
2,685kg5,919lb
2,705kg5,964lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
48.3s99% target: 262 km/h / 163 mph
Calculated
54.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.4s
0-200 km/h
14.8s
Calculated
16.3s
Calculated
0-60 mph
4.8s
Calculated
5.2s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Fuel consumption city
13.8L/100 km17mpg US20.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption highway
7.6L/100 km30.9mpg US37.2mpg UK
4.7L/100 km50mpg US60.1mpg UK
Quarter mile
12.9s
Calculated
13.3s
Calculated
Power-to-weight
218hp/t162kW/t99hp/1000 lb
Calculated
176hp/t131kW/t80hp/1000 lb
Calculated
Torque-to-weight
350Nm/t234lb-ft/ton
Calculated
363Nm/t243lb-ft/ton
Calculated
Estimated range
847km526mi
Calculated
1,296km805mi
Calculated
Displacement
4,663cc285cu in
2,925cc178cu in
Length
5,096mm201in
5,141mm202in
Width
1,871mm74in
1,905mm75in
Height
1,479mm58in
1,498mm59in
Wheelbase
3,035mm119in
3,035mm119in
Front track
1,600mm63in
1,630mm64in
Rear track
1,606mm63in
1,643mm65in
Trunk volume
560L
510L
Doors
4
4
Seats
5
4
Fuel tank
83L
70L
CO2 emissions
229g/km
139g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCYMercedes-Benz S-class (W222) Facelift 2017 S 400dPowerTorque
  • Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: Power / Torque
  • Mercedes-Benz S-class (W222) Facelift 2017 S 400d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY5,250 rpm1,800-3,500 rpm5,500 rpm
Mercedes-BenzS-class (W222)Facelift 2017S 400d3,600-4,400 rpm1,200-3,200 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class (W222)Facelift 2017S 400d
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.2 s
0-100 km/h
0-62 mph
5.0 s
5.4 s
0-200 km/h
0-124 mph
14.8 s
16.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
8.6 s
8.9 s
1000 ft
305 m
11.0 s
11.3 s
1/4 mile
402 m
12.9 s
13.3 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
181 km/h
113 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 kW

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY has 95 hp more than Mercedes-Benz S-class (W222) Facelift 2017 S 400d.

The biggest power difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: 95 hp (71 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
700 Nm
516 lb-ft
Mercedes-BenzS-class (W222)Facelift 2017S 400d
700 Nm
516 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
2,000 kg
4,409 lb
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,930 kg
4,255 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)Facelift 2017S 400d
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY5.0 s
Mercedes-BenzS-class (W222)Facelift 2017S 400d5.4 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY and Mercedes-Benz S-class (W222) Facelift 2017 S 400d: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: 4.4 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
217 hp/t
162 kW/t
4.6 kg/hp
Mercedes-BenzS-class (W222)Facelift 2017S 400d
176 hp/t
131 kW/t
5.7 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
847 km
526 mi
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,296 km
805 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Mercedes-BenzS-class (W222)Facelift 2017S 400d
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,141 mm
202.4 in
Height
1,498 mm
59.0 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 400d
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.4 L/100 km
43.6 mpg US
52.3 mpg UK

Mercedes-Benz S-class (W222) Facelift 2017 S 400d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.0 s
Mercedes-BenzS-class (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
5.4 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
218 hp/t
162 kW/t
4.6 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 400d
176 hp/t
131 kW/t
5.7 kg/hp
5.4 L/100 km
43.6 mpg US
52.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class (W222)Facelift 2017S 400d
Power
435 hp
324 kW
340 hp
254 kW
Torque
700 Nm
516 lb-ft
700 Nm
516 lb-ft
Acceleration
5.0 s
5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,000 kg
4,409 lb
1,930 kg
4,255 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,141 mm
202.4 in
Height
1,498 mm
59.0 in
Range score
847 km
526 mi
1,296 km
805 mi
CO2 score
229 g/km
139 g/km
Trunk score
560 L
19.8 cu ft
510 L
18.0 cu ft
Power-to-weight score
218 hp/t
162 kW/t
4.6 kg/hp
176 hp/t
131 kW/t
5.7 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCYMercedes-Benz S-class (W222) Facelift 2017 S 400d
Consumption9.8 L/100 km24 mpg US28.8 mpg UK5.4 L/100 km43.6 mpg US52.3 mpg UK
Cost / 100 km17.15 LC100 km9.45 LC100 km
Cost / 100 mi27.60 LC100 mi15.21 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal810 L214 US gal178 UK gal
Annual fuel cost2,573 LC/year1,418 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Has 95 hp more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 41 hp/t better power-to-weight
  • Has 50 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Mercedes-Benz S-class (W222) Facelift 2017 S 400d

  • Is 70 kg lighter
  • Uses 4.4 L/100 km less fuel
  • Has 449 km (279 mi) more estimated range
  • Emits 90 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W221) S 500 BlueEFFICIENCY
Mercedes-Benz S-class (W222) S 400d
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Mercedes-Benz S-class (W221) · Facelift 2009 S 500 BlueEFFICIENCY vs Mercedes-Benz S-class (W222) · Facelift 2017 S 400d - car comparison - FastVsFaster