Car comparison

Mercedes-Benz S-class (W222) · Facelift 2017 S 400dvsMercedes-Benz S-class Coupe (C217) · Facelift 2017 S 450

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

New comparison

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

S 400d

340 hp2925 ccDieselRWDAutomaticTurbochargedSedan2017-2020
VS

Mercedes-Benz S-class Coupe (C217) · Facelift 2017

S 450

367 hp2996 ccGasolineAWDAutomaticTwin-turboCoupe2017-2020

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    700 Nm
    516 lb-ft
  • 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
  • Largest trunk
    510 L
  • Best overall score
    73/100
  • Best performance score
    74/100
  • Best economy score
    92/100
  • Best practicality score
    72/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-BenzS-class Coupe (C217)Facelift 2017S 450
Power
340hp254kW
367hp274kW
Torque
700Nm516lb-ft
500Nm369lb-ft
Curb weight
1,930kg4,255lb
1,975kg4,354lb
Gross weight
2,705kg5,964lb
2,555kg5,633lb
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
54.6s99% target: 262 km/h / 163 mph
Calculated
78.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.4s
5.5s
0-200 km/h
16.3s
Calculated
19.6s
Calculated
0-60 mph
5.2s
Calculated
5.2s
Calculated
Fuel consumption
5.4L/100 km43.6mpg US52.3mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
6.5L/100 km36.2mpg US43.5mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
13.3s
Calculated
13.6s
Calculated
Power-to-weight
176hp/t131kW/t80hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
Torque-to-weight
363Nm/t243lb-ft/ton
Calculated
253Nm/t169lb-ft/ton
Calculated
Estimated range
1,296km805mi
Calculated
870km540mi
Calculated
Displacement
2,925cc178cu in
2,996cc183cu in
Length
5,141mm202in
5,032mm198in
Width
1,905mm75in
1,899mm75in
Height
1,498mm59in
1,411mm56in
Wheelbase
3,035mm119in
2,945mm116in
Front track
1,630mm64in
1,625mm64in
Rear track
1,643mm65in
1,649mm65in
Trunk volume
510L
400L
Doors
4
2
Seats
4
4
Fuel tank
70L
80L
CO2 emissions
139g/km
208g/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 (W222) Facelift 2017 S 400dMercedes-Benz S-class Coupe (C217) Facelift 2017 S 450PowerTorque
  • Mercedes-Benz S-class (W222) Facelift 2017 S 400d: Power / Torque
  • Mercedes-Benz S-class Coupe (C217) Facelift 2017 S 450: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W222)Facelift 2017S 400d3,600-4,400 rpm1,200-3,200 rpm4,650 rpm
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 4505,500-6,000 rpm1,600-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-BenzS-class Coupe (C217)Facelift 2017S 450
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
5.2 s
0-100 km/h
0-62 mph
5.4 s
5.5 s
0-200 km/h
0-124 mph
16.3 s
19.6 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
2.2 s
330 ft
101 m
6.1 s
5.9 s
1/8 mile
201 m
8.9 s
8.9 s
1000 ft
305 m
11.3 s
11.5 s
1/4 mile
402 m
13.3 s
13.6 s
Trap speed
1/4 mile
402 m
181 km/h
113 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 kW
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
367 hp
274 kW

Mercedes-Benz S-class Coupe (C217) Facelift 2017 S 450 has 27 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 Coupe (C217) Facelift 2017 S 450: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
700 Nm
516 lb-ft
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,930 kg
4,255 lb
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
1,975 kg
4,354 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 (W222)Facelift 2017S 400d
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
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 (W222)Facelift 2017S 400d5.4 s
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 4505.5 s

Although Mercedes-Benz S-class Coupe (C217) Facelift 2017 S 450 has more power, Mercedes-Benz S-class (W222) Facelift 2017 S 400d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class Coupe (C217) Facelift 2017 S 450: 0.1 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 (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class Coupe (C217) Facelift 2017 S 450: 3.8 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 (W222)Facelift 2017S 400d
176 hp/t
131 kW/t
5.7 kg/hp
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
186 hp/t
139 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,296 km
805 mi
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
870 km
540 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
367 hp
274 kW
5.5 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 (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
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
Power
367 hp
274 kW
0-100 km/h5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
5,032 mm
198.1 in
Height
1,411 mm
55.6 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 (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-BenzS-class Coupe (C217)Facelift 2017S 450
Power
367 hp
274 kW
0-100 km/h5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.2 L/100 km
25.6 mpg US
30.7 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 (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
5.4 s
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
5.5 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 (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
Mercedes-BenzS-class Coupe (C217)Facelift 2017S 450
186 hp/t
139 kW/t
5.4 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-BenzS-class Coupe (C217)Facelift 2017S 450
Power
340 hp
254 kW
367 hp
274 kW
Torque
700 Nm
516 lb-ft
500 Nm
369 lb-ft
Acceleration
5.4 s
5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,930 kg
4,255 lb
1,975 kg
4,354 lb
Fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
5,032 mm
198.1 in
Height
1,411 mm
55.6 in
Range score
1,296 km
805 mi
870 km
540 mi
CO2 score
139 g/km
208 g/km
Trunk score
510 L
18.0 cu ft
400 L
14.1 cu ft
Power-to-weight score
176 hp/t
131 kW/t
5.7 kg/hp
186 hp/t
139 kW/t
5.4 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 (W222) Facelift 2017 S 400dMercedes-Benz S-class Coupe (C217) Facelift 2017 S 450
Consumption5.4 L/100 km43.6 mpg US52.3 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km9.45 LC100 km16.10 LC100 km
Cost / 100 mi15.21 LC100 mi25.91 LC100 mi
Annual fuel used810 L214 US gal178 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost1,418 LC/year2,415 LC/year

Head-to-head comparisons

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

  • Has 200 Nm more
  • Is 45 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 3.8 L/100 km less fuel
  • Has 427 km (265 mi) more estimated range
  • Has 110 L more trunk volume
  • Emits 69 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W222) S 400d
Mercedes-Benz S-class Coupe (C217) S 450
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Mercedes-Benz S-class (W222) · Facelift 2017 S 400d vs Mercedes-Benz S-class Coupe (C217) · Facelift 2017 S 450 - car comparison - FastVsFaster