Mercedes-Benz S-class (W221)
Car comparison
Mercedes-Benz S-class (W221) S 500vsMercedes-Benz S-class (W222) S 350d
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz S-class (W222)
S 350d
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz S-class (W221) S 500
- Quickest 0-100 km/h5.4 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Most powerful388 hp289 kW
- Lightest1,935 kg4,266 lb
- Best power-to-weight201 hp/t150 kW/t5.0 kg/hp
- Largest trunk560 L
- Best overall score74/100
- Best performance score72/100
- Best practicality score78/100
Mercedes-Benz S-class (W222) S 350d
- Highest torque620 Nm457 lb-ft
- Lowest combined fuel consumption6.4 L/100 km36.8 mpg US44.1 mpg UK
- Lowest city consumption7.4 L/100 km31.8 mpg US38.2 mpg UK
- Lowest highway consumption5.8 L/100 km40.6 mpg US48.7 mpg UK
- Best estimated range1,094 km680 mi
- Best economy score90/100
Specification comparison
| Model | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)S 350d |
|---|---|---|
| Power | 388hp289kW | 258hp192kW |
| Torque | 530Nm391lb-ft | 620Nm457lb-ft |
| Curb weight | 1,935kg4,266lb | 1,950kg4,299lb |
| Gross weight | 2,620kg5,776lb | 2,725kg6,008lb |
| 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 | 53.2s99% target: 262 km/h / 163 mph Calculated | 69.8s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 5.4s | 6.5s |
| 0-200 km/h | 16.1s Calculated | 20.9s Calculated |
| 0-60 mph | 5.2s Calculated | 6.2s Calculated |
| Fuel consumption | 12.3L/100 km19.1mpg US23.0mpg UK | 6.4L/100 km36.8mpg US44.1mpg UK |
| Fuel consumption city | 18.2L/100 km12.9mpg US15.5mpg UK | 7.4L/100 km31.8mpg US38.2mpg UK |
| Fuel consumption highway | 9L/100 km26.1mpg US31.4mpg UK | 5.8L/100 km40.6mpg US48.7mpg UK |
| Quarter mile | 13.3s Calculated | 14.4s Calculated |
| Power-to-weight | 201hp/t150kW/t91hp/1000 lb Calculated | 132hp/t99kW/t60hp/1000 lb Calculated |
| Torque-to-weight | 274Nm/t183lb-ft/ton Calculated | 318Nm/t213lb-ft/ton Calculated |
| Estimated range | 732km455mi Calculated | 1,094km680mi Calculated |
| Displacement | 5,461cc333cu in | 2,987cc182cu in |
| Length | 5,079mm200in | 5,116mm201in |
| Width | 1,872mm74in | 1,899mm75in |
| Height | 1,473mm58in | 1,496mm59in |
| Wheelbase | 3,035mm119in | 3,035mm119in |
| Front track | 1,604mm63in | 1,624mm64in |
| Rear track | 1,606mm63in | 1,637mm64in |
| Trunk volume | 560L | 510L |
| Doors | 4 | 4 |
| Seats | 5 | 4 |
| Fuel tank | 90L | 70L |
| CO2 emissions | 294g/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) S 500: Power / Torque
- Mercedes-Benz S-class (W222) S 350d: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 6,000 rpm | 2,800-4,800 rpm | 6,250 rpm |
| Mercedes-BenzS-class (W222)S 350d | 3,400 rpm | 1,600-2,400 rpm | 3,650 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)S 350d |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.2 s | 6.2 s |
0-100 km/h 0-62 mph | 5.4 s | 6.5 s |
0-200 km/h 0-124 mph | 16.1 s | 20.9 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 Limited |
| Drag race simulation | ||
60 ft 18 m | 2.5 s | 2.6 s |
330 ft 101 m | 6.1 s | 6.5 s |
1/8 mile 201 m | 8.9 s | 9.6 s |
1000 ft 305 m | 11.3 s | 12.3 s |
1/4 mile 402 m | 13.3 s | 14.4 s |
Trap speed 1/4 mile 402 m | 182 km/h 113 mph | 168 km/h 104 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW |
| Mercedes-BenzS-class (W222)S 350d | 258 hp 192 kW |
Mercedes-Benz S-class (W221) S 500 has 130 hp more than Mercedes-Benz S-class (W222) S 350d.
The biggest power difference is between Mercedes-Benz S-class (W222) S 350d and Mercedes-Benz S-class (W221) S 500: 130 hp (97 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 530 Nm 391 lb-ft |
| Mercedes-BenzS-class (W222)S 350d | 620 Nm 457 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 1,935 kg 4,266 lb |
| Mercedes-BenzS-class (W222)S 350d | 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
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W222)S 350d | 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
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 5.4 s |
| Mercedes-BenzS-class (W222)S 350d | 6.5 s |
The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W221) S 500 and Mercedes-Benz S-class (W222) S 350d: 1.1 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK |
| Mercedes-BenzS-class (W222)S 350d | 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 350d and Mercedes-Benz S-class (W221) S 500: 5.9 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 201 hp/t 150 kW/t 5.0 kg/hp |
| Mercedes-BenzS-class (W222)S 350d | 132 hp/t 99 kW/t 7.6 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 732 km 455 mi |
| Mercedes-BenzS-class (W222)S 350d | 1,094 km 680 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW | 5.4 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W222)S 350d | 258 hp 192 kW | 6.5 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.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 |
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| Mercedes-BenzS-class (W222)S 350d |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 |
| 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | ||||||
| Mercedes-BenzS-class (W222)S 350d |
| 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | ||||||
Mercedes-Benz S-class (W222) S 350d 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | 5.4 s |
| Mercedes-BenzS-class (W222)S 350d | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | 6.5 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 201 hp/t 150 kW/t 5.0 kg/hp | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK |
| Mercedes-BenzS-class (W222)S 350d | 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
| Vehicle | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)S 350d | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 388 hp 289 kW | 258 hp 192 kW | ||||||||||||||||
| Torque | 530 Nm 391 lb-ft | 620 Nm 457 lb-ft | ||||||||||||||||
| Acceleration | 5.4 s | 6.5 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,935 kg 4,266 lb | 1,950 kg 4,299 lb | ||||||||||||||||
| Fuel consumption | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 732 km 455 mi | 1,094 km 680 mi | ||||||||||||||||
| CO2 score | 294 g/km | - | ||||||||||||||||
| Trunk score | 560 L 19.8 cu ft | 510 L 18.0 cu ft | ||||||||||||||||
| Power-to-weight score | 201 hp/t 150 kW/t 5.0 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
| Vehicle | Mercedes-Benz S-class (W221) S 500 | Mercedes-Benz S-class (W222) S 350d |
|---|---|---|
| Consumption | 12.3 L/100 km19.1 mpg US23 mpg UK | 6.4 L/100 km36.8 mpg US44.1 mpg UK |
| Cost / 100 km | 21.53 LC100 km | 11.20 LC100 km |
| Cost / 100 mi | 34.64 LC100 mi | 18.02 LC100 mi |
| Annual fuel used | 1,845 L487 US gal406 UK gal | 960 L254 US gal211 UK gal |
| Annual fuel cost | 3,229 LC/year | 1,680 LC/year |
Head-to-head comparisons
Mercedes-Benz S-class (W221) S 500
- Has 130 hp more
- Is 15 kg lighter
- Is 1.1 s quicker from 0-100 km/h
- Has 5 km/h (3 mph) higher top speed
- Has 68 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
- Lightest
- Best power-to-weight ratio
- Largest trunk
Cons
- Highest combined fuel consumption
Mercedes-Benz S-class (W222) S 350d
- Has 90 Nm more
- Uses 5.9 L/100 km less fuel
- Has 362 km (225 mi) more estimated range
Pros
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
Cons
- Slowest 0-100 km/h
- Lowest power
- Heaviest
- Lowest top speed
- Smallest trunk
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