Mercedes-Benz CLA C174/C178
The Mercedes-Benz CLA C174/C178 (since 2025): dimensions, weights, reliability and the official figures of its 49 versions in the European Union, the United Kingdom, the United States, and Canada.
Model codes: C174, C178
Dimensions, weights and capacity
| Specification | Europe | North America | Wikipedia |
|---|---|---|---|
| Dimensions | |||
| Length | 4,700–4,840 mm RDW | – | 4,723–4,763 mm |
| Width | 1,860 mm RDW | – | 1,836–1,855 mm |
| Height | 1,450–1,470 mm RDW | – | 1,468–1,471 mm |
| Wheelbase | 2,730–2,790 mm RDW | – | 2,790–2,830 mm |
| Weights and towing | |||
| Kerb weight | 1,595–1,975 kg RDW | – | – |
| Mass in running order | 1,695–2,075 kg RDW | – | – |
| Gross vehicle weight | 2,125–2,535 kg RDW | – | – |
| Towing, braked trailer | 1,500–1,600 kg RDW | – | – |
| Towing, unbraked trailer | 750 kg RDW | – | – |
| Seats and space | |||
| Seats | 5 RDW | – | – |
| Doors | 4–5 RDW | – | – |
| Boot space | 405–455 L EV DB | – | – |
| Luggage space (EPA) | – | 340 L EPA | – |
| Passenger space (EPA) | – | 2,520–2,577 L EPA | – |
| Performance | |||
| Top speed | 210–229 km/h RDW | – | – |
| 0–100 km/h | 4.9–7.5 s EV DB | – | – |
| Torque | 335–515 Nm EV DB | – | – |
| Electric motor power | – | 260 kW NRCan | – |
| Electric | |||
| Battery capacity (usable) | 58.0–85.0 kWh EV DB | – | – |
| Battery capacity (gross) | 60.0–90.0 kWh EV DB | – | – |
| Range (WLTP) | 541–792 km EV DB | – | – |
| Range (EPA/NRCan) | – | 502–602 km EPA | – |
| Energy use | 127–132 Wh/km EV DB | – | – |
| AC charging power | 10–11 kW EV DB | – | – |
| DC fast charging power | 200–353 kW EV DB | – | – |
| Charging time at 240 V | – | 8.8 h EPA | – |
Tyre sizes (most common first): 225/45R18, 205/55R17, 225/50R17, 255/40R18, 225/40R19
Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Wikipedia, open EV databases (EV Compare, Open EV Data, Gaia EVDB), US EPA fuel economy data, Natural Resources Canada, Traficom type approvals (Finland). Wikipedia figures are used under CC BY-SA 4.0.
Reliability and owner reports
Owner complaints to NHTSA (US)
1 complaint for model years 2026–2026.
Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints
All 49 versions of the Mercedes-Benz CLA C174/C178
Show all 49 versions
European Union 28 versions
New cars registered in the EU (plus Norway and Iceland), from the European Environment Agency. Figures on the NEDC procedure until 2020 and on WLTP from 2021; versions are grouped by engine and power, with their number of registrations.
| Years and version | Engine | Power | Fuel | Consumption (combined) | CO₂ | Electric range | EU registrations |
|---|---|---|---|---|---|---|---|
| 2025 | Electric motor | 200 kW (272 PS) | Electric | 13.0 kWh/100 km WLTP | 0 g/km | 753 km | 11,642 |
| 2025 | 1.3 L | 120 kW (163 PS) | Hybrid | 6.1 L/100 km WLTP | 139 g/km | – | 7,486 |
| 2025 | 1.3 L | 120 kW (163 PS) | Plug-in hybrid | 1.1 L/100 km WLTP17.8 kWh/100 km WLTP | 26 g/km | 80 km | 6,355 |
| 2025 | 2.0 L | 110 kW (150 PS) | Diesel | 5.2 L/100 km WLTP | 136 g/km | – | 3,910 |
| 2025 | Electric motor | 260 kW (354 PS) | Electric | 13.7 kWh/100 km WLTP | 0 g/km | 720 km | 2,443 |
| 2025 | 2.0 L | 140 kW (190 PS) | Diesel | 5.2 L/100 km WLTP | 137 g/km | – | 1,854 |
| 2025 | 2.0 L | 85 kW (116 PS) | Diesel | 5.2 L/100 km WLTP | 136 g/km | – | 1,578 |
| 2025 | 2.0 L | 225 kW (306 PS) | Hybrid | 8.4 L/100 km WLTP | 192 g/km | – | 1,026 |
| 2025 | 2.0 L | 310 kW (421 PS) | Petrol | 9.1 L/100 km WLTP | 207 g/km | – | 886 |
| 2025 | Electric motor | 145 kW (197 PS) | Electric | 13.0 kWh/100 km WLTP | 0 g/km | 751 km | 749 |
| 2025 | 1.3 L | 120 kW (163 PS) | Petrol | 6.1 L/100 km WLTP | 139 g/km | – | 592 |
| 2025 | 2.0 L | 165 kW (224 PS) | Hybrid | 7.1 L/100 km WLTP | 161 g/km | – | 422 |
| 2025 | 2.0 L | 140 kW (190 PS) | Hybrid | 7.0 L/100 km WLTP | 159 g/km | – | 258 |
| 2025 | Electric motor | 100 kW (136 PS) | Electric | – | 0 g/km | – | 116 |
| 2025 | 1.5 L | 140 kW (190 PS) | Hybrid | – | 140 g/km | – | 106 |
| 2025 | Electric motor | 80 kW (109 PS) | Electric | – | 0 g/km | – | 93 |
| 2025 | 2.0 L | 140 kW (190 PS) | Plug-in hybrid | 6.8 L/100 km WLTP | 154 g/km | – | 59 |
| 2025 | Electric motor | 180 kW (245 PS) | Electric | – | 0 g/km | 595 km | 54 |
| 2025 | 1.5 L | 120 kW (163 PS) | Hybrid | – | 138 g/km | – | 52 |
| 2025 | Electric motor | 125 kW (170 PS) | Electric | – | 0 g/km | 625 km | 50 |
| 2025 | 1.5 L | 100 kW (136 PS) | Hybrid | – | 134 g/km | – | 35 |
| 2025 | 1.5 L | 140 kW (190 PS) | Hybrid | 5.4 L/100 km WLTP | 136 g/km | – | 34 |
| 2025 | 1.3 L | 100 kW (136 PS) | Plug-in hybrid | 6.0 L/100 km WLTP | 135 g/km | – | 31 |
| 2025 | Electric motor | 210 kW (286 PS) | Electric | 14.8 kWh/100 km WLTP | 0 g/km | – | 30 |
| 2025 | 1.5 L | 120 kW (163 PS) | Hybrid | 5.3 L/100 km WLTP | 131 g/km | – | 29 |
| 2025 | 1.3 L | 118 kW (160 PS) | Plug-in hybrid | 1.1 L/100 km WLTP17.6 kWh/100 km WLTP | 32 g/km | 67 km | 18 |
| 2025 | 1.5 L | 170 kW (231 PS) | Hybrid | – | 146 g/km | – | 16 |
| 2025 | 2.0 L | 225 kW (306 PS) | Petrol | 8.4 L/100 km WLTP | 191 g/km | – | 16 |
United Kingdom 13 versions
New cars on sale in the UK, from the Vehicle Certification Agency. NEDC figures until 2018 and WLTP figures after; years are the editions a version appeared in.
| Years and version | Engine | Power | Fuel | Gearbox | Consumption (combined) | CO₂ | Electric range |
|---|---|---|---|---|---|---|---|
| 2026CLA 200 | Electric motor | 165 kW (224 PS) | Electric | – | 14.6–15.1 kWh/100 km WLTP | 0 g/km | 447–462 km |
| 2025–2026CLA 250+ | Electric motor | 200 kW (272 PS) | Electric | – | 12.2–14.9 kWh/100 km WLTP | 0 g/km | 657–791 km |
| 2025–2026CLA 350 4MATIC | Electric motor | 260 kW (354 PS) | Electric | – | 12.2–15.6 kWh/100 km WLTP | 0 g/km | 631–791 km |
| 2026CLA 350 4MATIC | Electric motor | 272 kW (370 PS) | Electric | – | 15.2 kWh/100 km WLTP | 0 g/km | 650 km |
| 2025–2026CLA 180 | 1.3 L | 100 kW (136 PS) | Hybrid | 7-speed automatic | 5.8–6.5 L/100 km WLTP | 131–147 g/km | – |
| 2025–2026CLA 200 | 1.3 L | 120 kW (163 PS) | Hybrid | 7-speed automatic | 5.8–6.5 L/100 km WLTP | 131–147 g/km | – |
| 2025–2026CLA 250 e | 1.3 L | 160 kW (218 PS) | Plug-in hybrid | 8-speed automatic | 12.5–19.4 kWh/100 km WLTP | – | 71–84 km |
| 2026CLA 180 | 1.5 L | 100 kW (136 PS) | Hybrid | 8-speed automatic | 5.4–5.5 L/100 km WLTP | 123–125 g/km | – |
| 2026CLA 200 | 1.5 L | 120 kW (163 PS) | Hybrid | 8-speed automatic | 5.4–5.5 L/100 km WLTP | 123–125 g/km | – |
| 2026CLA 220 4MATIC | 1.5 L | 140 kW (190 PS) | Hybrid | 8-speed automatic | 5.8–5.9 L/100 km WLTP | 132–135 g/km | – |
| 2025–2026CLA 220 d | 2.0 L | 140 kW (190 PS) | Diesel | 8-speed automatic | 5.0–5.6 L/100 km WLTP | 130–147 g/km | – |
| 2025–2026AMG CLA 35 4MATIC | 2.0 L | 225 kW (306 PS) | Hybrid | 8-speed automatic | 8.1–8.7 L/100 km WLTP | 185–197 g/km | – |
| 2025–2026AMG CLA 45 S 4MATIC+ | 2.0 L | 310 kW (421 PS) | Petrol | 8-speed automatic | 8.9–9.2 L/100 km WLTP | 201–209 g/km | – |
United States 6 versions
Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.
| Years and version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ | Electric range |
|---|---|---|---|---|---|---|---|
| 2026–2027 | Electric motor | Electric | Automatic | Rear-wheel drive | 109–126 MPGe EPA | 0 g/km | 510–602 km |
| 2026–2027 | Electric motor | Electric | 2-speed automatic | All-wheel drive | 118 MPGe EPA | 0 g/km | 502 km |
| 2027SIDI; Mild Hybrid | 1.5 L | Hybrid | 8-speed automated manual | Front-wheel drive | 33 MPG (7.1 L/100 km) EPA | 170 g/km | – |
| 2025–2026SIDI; Mild Hybrid | 2.0 L | Hybrid | 8-speed automated manual | All-wheel drive | 25–29 MPG (8.1–9.4 L/100 km) EPA | 193–224 g/km | – |
| 2025–2026SIDI; Mild Hybrid | 2.0 L | Hybrid | 8-speed automated manual | Front-wheel drive | 30 MPG (7.8 L/100 km) EPA | 185 g/km | – |
| 2025–2026SIDI | 2.0 L | Petrol | 8-speed automated manual | All-wheel drive | 23 MPG (10.2 L/100 km) EPA | 235 g/km | – |
Canada 2 versions
Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).
| Years and version | Engine | Power | Fuel | Gearbox | Consumption (combined) | CO₂ | Electric range |
|---|---|---|---|---|---|---|---|
| 2026Compact | Electric motor | 260 kW (354 PS) | Electric | Automatic | 17.7 kWh/100 km 5-cycle | 0 g/km | 502 km |
| 2025–2026Compact | 2.0 L | – | Petrol | 8-speed automated manual | 7.9–10.2 L/100 km 5-cycle | 185–236 g/km | – |
Similar models from other brands
Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.