2018 Mercedes-Benz C-Class
2018 model shown · Photo: Chanokchon, CC BY-SA 4.0

Luxury cars & SUVs · W205 generation

2018 Mercedes-Benz C-Class: reliability, problems and cost to own

Think twice Below average

It scores 21 out of 100 for reliability compared with other luxury cars and SUVs. Over the next 5 years we expect it to cost about $19,509 to own, including $7,131 in repairs.

Early estimate: this rating uses our own sales estimate for the Mercedes-Benz C-Class.

Reliability

21/100

Below average

Repairs, 5 years

$7,131

at 12,000 mi a year

Fuel, 5 years

$7,556

27 mpg, $3.40/gal

Price today

$14,930

$13,139 – $16,722, estimate

Recalls

19

on record

Owner complaints

114

filed with NHTSA

These are estimates, not guarantees. They come from public NHTSA complaint and recall data and EPA fuel economy, assuming 5 years of ownership and 12,000 miles a year. Change the assumptions or see how it works.

Where repair money is likely to go

Engine & cooling$4,467
Transmission & drivetrain$764
Body, glass & interior$657
Electrical system$392
Steering$215
Driver-assist & stability$205

Expected over 5 years, by area of the car.

Recalls

Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.

Before you buy

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Other years of the Mercedes-Benz C-Class

Of the years we rate, the 2022 scores best (68/100) and the 2015 worst (2/100).

YearReliability
202365/100
202268/100
202151/100
202042/100
201931/100
201821/100
20175/100
20164/100
20152/100

Questions people ask

Is the 2018 Mercedes-Benz C-Class a year to avoid?

Yes. It scores 21 out of 100, among the least reliable luxury cars and SUVs of 2015–2024. The 2022 and 2023 C-Class scored much better.

Is the 2018 Mercedes-Benz C-Class reliable?

It scores 21 out of 100 against other luxury cars and SUVs from 2015 to 2024, which is below average. Based on 114 owner complaints filed with NHTSA, we expect about $7,131 in repairs over the next 5 years at 12,000 miles a year.

How much does a 2018 Mercedes-Benz C-Class cost to own?

About $19,509 over 5 years: $4,822 in lost value, $7,131 in repairs and $7,556 in fuel at $3.40 a gallon. A typical one sells for about $14,930 today.

What are the best years of the Mercedes-Benz C-Class?

Of the years we rate, the 2022 scores best (68/100) and the 2015 worst (2/100).

How many recalls does the 2018 Mercedes-Benz C-Class have?

19 recalls on record with NHTSA.