Used 2021 Mercedes-Benz C-Class for Sale nearNepean, ON

How much does the 2021 Mercedes-Benz C-Class cost?

Prices are up 4.42% year-over-year — a sign of continued demand for this model year.

There are 158 listings available, which suggests a reasonable amount of inventory for shoppers comparing options.

Is the 2021 Mercedes-Benz C-Class a good car?

Yes — the 5/5 user rating points to strong owner approval for this model year.

The 2021 C-Class stands out as a compact luxury car that has long set the standard for its class. It combines rear-wheel-drive roots with an S-Class-inspired interior, and Mercedes has made it one of the more attainable ways to get into the brand without giving up a premium feel. For you, that means upscale styling, solid performance, and strong badge appeal in a segment where those traits matter.

The market also shows 32.9% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2021 Mercedes-Benz C-Class reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The 2021 C-Class does have a mixed reliability reputation, and the overview points to owner complaints in this generation centred on electrical issues and problems with the infotainment and display screens. That means you should pay close attention to how the electronics behave during a test drive and make sure every screen, control, and feature works as intended before you buy.

For used buyers, the main long-term ownership risk is that repair costs can rise quickly if those electronic issues show up after purchase.

Is now a good time to buy a used 2021 Mercedes-Benz C-Class?

This looks like a moderate, selective buyer’s market, so you can shop patiently but should move quickly on strong listings.

• Deal availability: 32.9% of listings are priced as good or great deals.
• Inventory: There are 158 listings available.
• Price trend: Prices are up 4.42% year-over-year.

If you find a listing below $36,729 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Mercedes-Benz C-Class's resale value?

The current average of $39,938 CAD sits slightly above last year's $38,248 CAD.

That upward trend suggests the market is still willing to pay for this model year, which is a positive sign if you plan to sell later. The C-Class’s premium image and broad appeal help support demand, especially among shoppers who want a luxury badge without moving into a larger or more expensive Mercedes.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Mercedes-Benz C-Class or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 32.9% of listings are priced as good or great deals.
• Price trend: Prices are up 4.42% year-over-year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2022 if:

• At $41,081 CAD, the 2022 costs more than the current year's $39,938 CAD average.
• It adds standard all-wheel drive in Canada.

The bottom line: Choose the 2021 if you want the better value and are comfortable shopping carefully for a well-priced example. If you want the newer redesign and standard AWD, the 2022 is the stronger upgrade, but price-sensitive buyers will likely find the 2021 easier to justify.

How does the 2021 Mercedes-Benz C-Class compare to the 2021 BMW 3 Series?

Read our full side-by-side expert comparison here.

These recommendations are based on CarGurus' proprietary market data from November 4, 2026, CarGurus experts' opinions, and generative AI.