Car comparison

Mercedes-Benz S-class Coupe (C217) S 400vsMercedes-Benz S-class (W222) S 350 BlueTEC

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

New comparison

Mercedes-Benz S-class Coupe (C217)

S 400

367 hp2996 ccGasolineAWDAutomaticTwin-turboCoupe2015-2017
VS

Mercedes-Benz S-class (W222)

S 350 BlueTEC

258 hp2987 ccDieselAWDAutomaticTurbochargedSedan2013-2016

Comparison overview

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

Best choices

Mercedes-Benz S-class (W222) S 350 BlueTEC

  • Highest torque
    620 Nm
    457 lb-ft
  • Lightest
    1,950 kg
    4,299 lb
  • Lowest combined fuel consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest city consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Lowest CO2 emissions
    168 g/km
  • Best estimated range
    1,094 km
    680 mi
  • Largest trunk
    510 L
  • Best overall score
    66/100
  • Best economy score
    90/100
  • Best practicality score
    72/100

Mercedes-Benz S-class Coupe (C217) S 400

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    367 hp
    274 kW
  • Best power-to-weight
    187 hp/t
    140 kW/t
    5.3 kg/hp
  • Best performance score
    70/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class Coupe (C217)S 400Mercedes-BenzS-class (W222)S 350 BlueTEC
Power
367hp274kW
258hp192kW
Torque
500Nm369lb-ft
620Nm457lb-ft
Curb weight
1,960kg4,321lb
1,950kg4,299lb
Gross weight
2,540kg5,600lb
2,715kg5,986lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
79.9s99% target: 262 km/h / 163 mph
Calculated
73.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.6s
6.8s
0-200 km/h
20.0s
Calculated
21.8s
Calculated
0-60 mph
5.3s
Calculated
6.5s
Calculated
Fuel consumption
8.9L/100 km26.4mpg US31.7mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
13.7s
Calculated
14.7s
Calculated
Power-to-weight
187hp/t140kW/t85hp/1000 lb
Calculated
132hp/t99kW/t60hp/1000 lb
Calculated
Torque-to-weight
255Nm/t171lb-ft/ton
Calculated
318Nm/t213lb-ft/ton
Calculated
Estimated range
899km559mi
Calculated
1,094km680mi
Calculated
Displacement
2,996cc183cu in
2,987cc182cu in
Length
5,027mm198in
5,116mm201in
Width
1,899mm75in
1,899mm75in
Height
1,411mm56in
1,496mm59in
Wheelbase
2,945mm116in
3,035mm119in
Front track
1,625mm64in
1,624mm64in
Rear track
1,649mm65in
1,637mm64in
Trunk volume
400L
510L
Doors
2
4
Seats
4
4
Fuel tank
80L
70L
CO2 emissions
208g/km
168g/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 Coupe (C217) S 400Mercedes-Benz S-class (W222) S 350 BlueTECPowerTorque
  • Mercedes-Benz S-class Coupe (C217) S 400: Power / Torque
  • Mercedes-Benz S-class (W222) S 350 BlueTEC: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class Coupe (C217)S 4005,500-6,000 rpm1,800-4,500 rpm6,250 rpm
Mercedes-BenzS-class (W222)S 350 BlueTEC3,600 rpm1,600-2,400 rpm3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class Coupe (C217)S 400Mercedes-BenzS-class (W222)S 350 BlueTEC
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
6.5 s
0-100 km/h
0-62 mph
5.6 s
6.8 s
0-200 km/h
0-124 mph
20.0 s
21.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.6 s
330 ft
101 m
6.0 s
6.7 s
1/8 mile
201 m
9.0 s
9.8 s
1000 ft
305 m
11.6 s
12.5 s
1/4 mile
402 m
13.7 s
14.7 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
165 km/h
103 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 400
367 hp
274 kW
Mercedes-BenzS-class (W222)S 350 BlueTEC
258 hp
192 kW

Mercedes-Benz S-class Coupe (C217) S 400 has 109 hp more than Mercedes-Benz S-class (W222) S 350 BlueTEC.

The biggest power difference is between Mercedes-Benz S-class (W222) S 350 BlueTEC and Mercedes-Benz S-class Coupe (C217) S 400: 109 hp (81 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 400
500 Nm
369 lb-ft
Mercedes-BenzS-class (W222)S 350 BlueTEC
620 Nm
457 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 400
1,960 kg
4,321 lb
Mercedes-BenzS-class (W222)S 350 BlueTEC
1,950 kg
4,299 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 Coupe (C217)S 400
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)S 350 BlueTEC
Unrestricted
260 km/h162 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 Coupe (C217)S 4005.6 s
Mercedes-BenzS-class (W222)S 350 BlueTEC6.8 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Coupe (C217) S 400 and Mercedes-Benz S-class (W222) S 350 BlueTEC: 1.2 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 Coupe (C217)S 400
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Mercedes-BenzS-class (W222)S 350 BlueTEC
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) S 350 BlueTEC and Mercedes-Benz S-class Coupe (C217) S 400: 2.5 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 Coupe (C217)S 400
187 hp/t
140 kW/t
5.3 kg/hp
Mercedes-BenzS-class (W222)S 350 BlueTEC
132 hp/t
99 kW/t
7.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 400
899 km
559 mi
Mercedes-BenzS-class (W222)S 350 BlueTEC
1,094 km
680 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class Coupe (C217)S 400
367 hp
274 kW
5.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)S 350 BlueTEC
258 hp
192 kW
6.8 s
Unrestricted
260 km/h162 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 Coupe (C217)S 400
Power
367 hp
274 kW
0-100 km/h5.6 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
5,027 mm
197.9 in
Height
1,411 mm
55.6 in
Mercedes-BenzS-class (W222)S 350 BlueTEC
Power
258 hp
192 kW
0-100 km/h6.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,116 mm
201.4 in
Height
1,496 mm
58.9 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 Coupe (C217)S 400
Power
367 hp
274 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Mercedes-BenzS-class (W222)S 350 BlueTEC
Power
258 hp
192 kW
0-100 km/h6.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

Mercedes-Benz S-class Coupe (C217) S 400 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 Coupe (C217)S 400
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
5.6 s
Mercedes-BenzS-class (W222)S 350 BlueTEC
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
6.8 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 Coupe (C217)S 400
187 hp/t
140 kW/t
5.3 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Mercedes-BenzS-class (W222)S 350 BlueTEC
132 hp/t
99 kW/t
7.6 kg/hp
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class Coupe (C217)S 400Mercedes-BenzS-class (W222)S 350 BlueTEC
Power
367 hp
274 kW
258 hp
192 kW
Torque
500 Nm
369 lb-ft
620 Nm
457 lb-ft
Acceleration
5.6 s
6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,960 kg
4,321 lb
1,950 kg
4,299 lb
Fuel consumption
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
5,027 mm
197.9 in
Height
1,411 mm
55.6 in
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,116 mm
201.4 in
Height
1,496 mm
58.9 in
Range score
899 km
559 mi
1,094 km
680 mi
CO2 score
208 g/km
168 g/km
Trunk score
400 L
14.1 cu ft
510 L
18.0 cu ft
Power-to-weight score
187 hp/t
140 kW/t
5.3 kg/hp
132 hp/t
99 kW/t
7.6 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 Coupe (C217) S 400Mercedes-Benz S-class (W222) S 350 BlueTEC
Consumption8.9 L/100 km26.4 mpg US31.7 mpg UK6.4 L/100 km36.8 mpg US44.1 mpg UK
Cost / 100 km15.58 LC100 km11.20 LC100 km
Cost / 100 mi25.07 LC100 mi18.02 LC100 mi
Annual fuel used1,335 L353 US gal294 UK gal960 L254 US gal211 UK gal
Annual fuel cost2,336 LC/year1,680 LC/year

Head-to-head comparisons

Mercedes-Benz S-class Coupe (C217) S 400

  • Has 109 hp more
  • Is 1.2 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 55 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Mercedes-Benz S-class (W222) S 350 BlueTEC

  • Has 120 Nm more
  • Is 10 kg lighter
  • Uses 2.5 L/100 km less fuel
  • Has 195 km (121 mi) more estimated range
  • Has 110 L more trunk volume
  • Emits 40 g/km less CO2

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

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Model
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Engine or modification
Mercedes-Benz S-class Coupe (C217) S 400
Mercedes-Benz S-class (W222) S 350 BlueTEC
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