Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ.
147.0 hp/t✓ BestCalculated
141.7 hp/tCalculated
Acceleration
0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers.
6.00 s✓ TieManufacturer claim · Mercedes-Benz USA
5.90 s✓ TieManufacturer claim · BMW
0–100 km/hLower is better
6.20 sManufacturer claim · Mercedes-Benz USA
5.90 s✓ BestIndependent test · Wikipedia
Engine & Powertrain
Peak powerHigher is better
255 hp✓ TieManufacturer claim · Mercedes-Benz USA
255 hp✓ TieIndependent test · Wikipedia
Peak torqueHigher is better
295 lb-ft✓ TieManufacturer claim · Mercedes-Benz USA
295 lb-ft✓ TieIndependent test · Wikipedia
Engine displacement
2000.0 ccManufacturer claim · Mercedes-Benz USA
2000.0 ccIndependent test · Wikipedia
Cylinder count
4Manufacturer claim · Mercedes-Benz USA
4Homologation · US EPA
Engine layout
Inline-4Manufacturer claim · Mercedes-Benz USA
Inline-4Independent test · Wikipedia
Engine placement
Dimensions
Length
187 inManufacturer claim · Mercedes-Benz USA
199 inIndependent test · Wikipedia
Width
74 inManufacturer claim · Mercedes-Benz USA
75 inIndependent test · Wikipedia
Height
57 inManufacturer claim · Mercedes-Benz USA
60 inIndependent test · Wikipedia
Wheelbase
113 inManufacturer claim · Mercedes-Benz USA
118 inIndependent test · Wikipedia
Weight
Curb weightLower is better
3825 lb✓ BestManufacturer claim · Mercedes-Benz USA
3968 lbIndependent test · Wikipedia
Fuel Economy
Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
—
31.0 mpgHomologation · US EPA
Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
25.0 mpgManufacturer claim · Mercedes-Benz USA
28.0 mpg✓ BestHomologation · US EPA
Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
35.0 mpg✓ TieManufacturer claim · Mercedes-Benz USA
35.0 mpg✓ TieHomologation · US EPA
Fuel tank capacity
17.4 galManufacturer claim · Mercedes-Benz USA
15.9 galHomologation · US EPA
Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range.
—
Practicality
Cargo volumeHigher is better
12 ft³Manufacturer claim · Mercedes-Benz USA
14 ft³✓ BestHomologation · US EPA
Seats
5Manufacturer claim · Mercedes-Benz USA
5Independent test · Wikipedia
Pricing
Base price (as tested market)Demo prices only; not live FX.
$49,650Manufacturer claim · Mercedes-Benz USA
$58,700Homologation · US EPA
Aerodynamics
Drag coefficient (Cd)Lower is better
0.24 :1Manufacturer claim · Mercedes-Benz USA
0.23 :1✓ BestIndependent test · Wikipedia
Tires & Wheels
Front tire size
225/45R18Manufacturer claim · Mercedes-Benz USA
—
Rear tire size
245/40R18Manufacturer claim · Mercedes-Benz USA
—
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
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