What is the fuel consumption of the 2026 Mercedes-Benz C 300?
According to Natural Resources Canada, the most efficient configuration (Sedan) uses 8.1 L/100 km combined (9.3 city, 6.7 highway).
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Mercedes-Benz2026Sedan
2026 Mercedes-Benz C 300 – Price in Canada, Specs & Trims
PriceMSRP not checked yetOfficial NRCan ratings below
- Combined
- 8.1 L/100 km
- City 9.3 · Hwy 6.7
The 2026 Mercedes-Benz C 300 is in the Natural Resources Canada fuel-consumption ratings for new light-duty vehicles sold in Canada. 1 configuration are listed, with official L/100 km or electric range. MSRP is shown only when a separate published Canadian price has been checked.
Updated Sources: Natural Resources Canada (fuel consumption ratings)
Mercedes-Benz C 300: quick answers
Sources: NRCan, Transport Canada, checked MSRPIs the 2026 Mercedes-Benz C 300 available with all-wheel drive?
Drivetrain information has not been verified for all configurations.
Are there any recalls on the 2026 Mercedes-Benz C 300?
Yes. Transport Canada has published 2 safety recalls covering the 2026 or newer Mercedes-Benz C 300. The list, with what to do, is in the Recalls section of this page.
Is the Mercedes-Benz C 300 fuel efficient?
Its Vehonix efficiency score is 5.6/10. It ranks #61 of 126 sedan models for fuel use.
What are the main rivals of the Mercedes-Benz C 300?
The closest matches by body style and price are the Volkswagen Jetta GLI, BMW 330i xDrive, BMW M340i xDrive and BMW 530i xDrive. The Rivals section compares price, fuel use and power.
Canadian buyer checklist
NRCan 2026 dataDrivetrain for winter
Not verified
Drivetrain information has not been verified for all configurations.
Combined fuel use (NRCan)
8.1 L/100 km
Source: Natural Resources Canada 2026 Fuel Consumption Guide open data, for every rated configuration.
Quick Specifications
City fuel economy9.3 L/100 km
Highway fuel economy6.7 L/100 km
Combined fuel economy8.1 L/100 km
Vehonix efficiency score5.6/10
Dimensions, capacity and EnerGuide
Metric unitsDimensions, capacity and EnerGuide label figures have not been verified for this model yet.
Compare 2026 trims
Tap a trim for full details and province pricing| Trim | Sedan |
|---|---|
| Powertrain | Gasoline |
| Transmission | Automatic (A9) |
| Drivetrain | — |
| City (NRCan) | 9.3 L/100 km |
| Highway (NRCan) | 6.7 L/100 km |
| Combined (NRCan) | 8.1 L/100 km |
| CO2 | 191 g/km |
| MSRP | Not published |
Prices shown are verified MSRP. Learn how we verify prices.
Canadian price and payments
Sales tax by province| MSRP | — |
|---|---|
| Freight and PDI | $0 |
| Dealer fees | $0 |
| Before tax | — |
| HST (13 %) | — |
| Estimated total, Ontario | — |
Enter an MSRP to see the total: it is not published in our source data for this trim.
General sales tax rates. Some provinces use different rates for vehicles (for example higher BC PST tiers above $55,000). This is not a dealer quote.
Estimated monthly payment
—
Enter a price to calculate.
Estimate only. The 6.99% rate is an example; use your lender’s rate. Leases assume tax on each payment and exclude acquisition, excess-kilometre and end-of-lease fees. This is not a credit offer.
Features and driver assistance
No checked equipment list has been added yet. The ratings above come from the NRCan file.
What will fuel cost?
Based on your kilometres and pricesCheapest to run: Sedan, $2,520/yr · $12,602 over 5 years
Estimate from NRCan city and highway ratings, your split and your prices. Plug-in hybrids are calculated on gasoline unless comparison is on. Real-world use varies, especially in winter.
Mercedes-Benz warranty in Canada
Years / km, whichever comes first- Basic (bumper to bumper)
- Not verified
- Powertrain
- Not verified
- Corrosion perforation
- Not verified
- Roadside assistance
- Not verified
The manufacturer’s Canadian warranty has not been verified for this model yet. Terms apply to whichever comes first, years or km.
Safety and recalls
Transport Canada · updated 2026-10-192 safety recalls on file for the 2026 Mercedes-Benz C 300.
StructureMoisture could enter the driver-side door lock microswitch and cause it to corrode.
Issue
On certain vehicles, moisture could enter the driver-side door lock microswitch and cause it to corrode. As a result, the microswitch may fail to automatically engage the parking brake and/or the auto park feature when the door is opened. If this happens, the vehicle could roll away.
Note: This problem could also cause the radio and/or interior lights to remain on after exiting the vehicle.
Safety Risk
A parked vehicle that rolls away could create the risk of an injury or a crash.
Corrective Actions
To reduce the safety risk, Mercedes-Benz recommends that you should always use the parking brake when you park. Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the driver-side door lock.
Filed under C Class · Official Transport Canada notice ↗
Lights And InstrumentsA software problem could cause the instrument cluster display to go blank while driving.
Issue
On certain vehicles, a software problem could cause the instrument cluster display to go blank while driving. As a result, you may not be able to see certain information about the vehicle, including the speedometer, fuel gauge, warning lights and malfunction tell-tales.
Safety Risk
Warnings, tell-tales and gauges that don't display could increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to update the infotainment control unit software.
Filed under C Class · Official Transport Canada notice ↗
Earlier model years · 2025: 2 · 2024: 5
StructureMoisture could enter the driver-side door lock microswitch and cause it to corrode.
Issue
On certain vehicles, moisture could enter the driver-side door lock microswitch and cause it to corrode. As a result, the microswitch may fail to automatically engage the parking brake and/or the auto park feature when the door is opened. If this happens, the vehicle could roll away.
Note: This problem could also cause the radio and/or interior lights to remain on after exiting the vehicle.
Safety Risk
A parked vehicle that rolls away could create the risk of an injury or a crash.
Corrective Actions
To reduce the safety risk, Mercedes-Benz recommends that you should always use the parking brake when you park. Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the driver-side door lock.
Filed under C Class · Official Transport Canada notice ↗
Lights And InstrumentsA software problem could cause the instrument cluster display to go blank while driving.
Issue
On certain vehicles, a software problem could cause the instrument cluster display to go blank while driving. As a result, you may not be able to see certain information about the vehicle, including the speedometer, fuel gauge, warning lights and malfunction tell-tales.
Safety Risk
Warnings, tell-tales and gauges that don't display could increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to update the infotainment control unit software.
Filed under C Class · Official Transport Canada notice ↗
StructureMoisture could enter the driver-side door lock microswitch and cause it to corrode.
Issue
On certain vehicles, moisture could enter the driver-side door lock microswitch and cause it to corrode. As a result, the microswitch may fail to automatically engage the parking brake and/or the auto park feature when the door is opened. If this happens, the vehicle could roll away.
Note: This problem could also cause the radio and/or interior lights to remain on after exiting the vehicle.
Safety Risk
A parked vehicle that rolls away could create the risk of an injury or a crash.
Corrective Actions
To reduce the safety risk, Mercedes-Benz recommends that you should always use the parking brake when you park. Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the driver-side door lock.
Filed under C Class · Official Transport Canada notice ↗
Lights And InstrumentsA software problem could cause the instrument cluster display to go blank while driving.
Issue
On certain vehicles, a software problem could cause the instrument cluster display to go blank while driving. As a result, you may not be able to see certain information about the vehicle, including the speedometer, fuel gauge, warning lights and malfunction tell-tales.
Safety Risk
Warnings, tell-tales and gauges that don't display could increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to update the infotainment control unit software.
Filed under C Class · Official Transport Canada notice ↗
ElectricalThe recall repairs completed by a Mercedes-Benz dealer during recall 8297011 (Transport Canada recall no.
Issue
On certain vehicles, the recall repairs completed by a Mercedes-Benz dealer during recall 8297011 (Transport Canada recall no. 2024-105) may not have been done correctly. As a result, a second repair is required.
On certain vehicles, the 80 A fuse may not have been manufactured properly. As a result, the fuse could overheat and fail. If this happens, there could be a sudden loss of power to the wheels. This could also cause the instrument cluster not to work.
Safety Risk
A fuse and wiring that overheats can create the risk of a fire. A sudden loss of power to the wheels could increase the risk of a crash. Warnings, tell-tales and gauges that don't display could also increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the main fuse box.
Filed under C Class · Official Transport Canada notice ↗
ElectricalThe 80 A fuse may not have been manufactured properly.
Issue
On certain vehicles, the 80 A fuse may not have been manufactured properly. As a result, the fuse could overheat and fail. If this happens, there could be a sudden loss of power to the wheels. This could also cause the instrument cluster not to work.
Safety Risk
A fuse and wiring that overheats can create the risk of a fire. A sudden loss of power to the wheels could increase the risk of a crash. Warnings, tell-tales and gauges that don't display could also increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the main fuse box.
Filed under C Class · Official Transport Canada notice ↗
Fuel SystemThe fuel delivery module could fail.
Issue
On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudden loss of engine power while driving.
Note: This is an expansion of Transport Canada recall 2023-353.
Safety Risk
A sudden loss of engine power could increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the fuel delivery module.
Filed under C Class · Official Transport Canada notice ↗
Recalls Transport Canada has filed under this model name. A recall may cover only some versions or build dates, so check your VIN with the manufacturer or a dealer. Transport Canada says manufacturers almost always make these repairs free of charge. How to check your vehicle →
Owner and visitor ratings
Fuel economy, performance, comfort and safetyNo ratings for the Mercedes-Benz C 300 yet. Be the first!
Ratings from Vehonix visitors, not a road test.
Rate the Mercedes-Benz C 300
Fuel economy
Performance
Comfort
Safety
Against the competition
C 300 vs rivals
The Mercedes-Benz C 300 leads in 0 of 2 categories against 4 direct rivals.
- Combined fuel use530i xDrive7.9 L/100 kmC 300: #3 of 5
- Vehonix efficiency score330i xDrive5.8/10C 300: #3 of 5
Volkswagen · 2026
Jetta GLI
MSRP not checked yet
- Combined
- 8.1 L
- Power
- —
- Vx score
- 5.6/10
Where it beats the C 300
- Fewer 2026 recalls (1 vs 2)
BMW · 2026
330i xDrive
MSRP not checked yet
- Combined
- 8 L
- Power
- —
- Vx score
- 5.8/10+0.2 vs the C 300
Where it beats the C 300
- Fewer 2026 recalls (0 vs 2)
BMW · 2026
M340i xDrive
MSRP not checked yet
- Combined
- 8.2 L
- Power
- —
- Vx score
- 5.5/10
Where it beats the C 300
- Fewer 2026 recalls (0 vs 2)
BMW · 2026
530i xDrive
MSRP not checked yet
- Combined
- 7.9 L−0.2 vs the C 300
- Power
- —
- Vx score
- 5.8/10+0.2 vs the C 300
Where it beats the C 300
- Fewer 2026 recalls (1 vs 2)
| Spec | Mercedes-BenzC 300This car | VolkswagenJetta GLI | BMW330i xDrive | BMWM340i xDrive | BMW530i xDrive |
|---|---|---|---|---|---|
| Combined fuel use | 8.1 L/100 km | 8.1 L/100 km | 8 L/100 km | 8.2 L/100 km | 7.9 L/100 km |
| City / highway (L/100 km) | 9.3 / 6.7 | 9.1 / 6.5 | 8.9 / 6.9 | 9 / 7.1 | 8.7 / 6.8 |
| Vehonix efficiency score | 5.6/10 | 5.6/10 | 5.8/10 | 5.5/10 | 5.8/10 |
| Fuel type | Gasoline | Gasoline | Gasoline | Gasoline | Gasoline |
| Drivetrain | No | No | No | No | No |
| Drivetrains | — | — | — | — | — |
| Rated configurations | 1 | 2 | 1 | 1 | 1 |
| Recalls this model year | 2 | 1 | 0 | 0 | 1 |
| Compare | Head-to-head → | Head-to-head → | Head-to-head → | Head-to-head → |
Compare the C 300 with 3 rivals side by side →
Rivals matched automatically: same body style, other brands, closest starting price (or fuel use when the price is missing). Fuel and ratings: NRCan 2026. Prices: manufacturer MSRP before freight and tax. “Best” only reflects the figures shown.
Same body style
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