The Lemon IndexAll cars · Mercedes-Benz C-Class
2014 Mercedes-Benz C-Class.
The 2014 Mercedes-Benz C-Class is one of the most reliable years by owner complaints: 39 complaints in its first 3 years and a Lemon Index of 44, where 100 is the average car. Owners complain most about airbags, it has 0 recalls, and it gets 22 to 25 mpg combined. The best Mercedes-Benz C-Class year is 2011.
Before you buy. What matters most for this car.
How serious. Out of 271 owner complaints, owners reported:
Every Mercedes-Benz C-Class year. 2014 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 20K to 61K miles on the car (91 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
- airbags complaints mostly came at 24K–57K miles
Recalls 0
No safety recalls on record.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Mercedes-Benz told dealers about
Mercedes-Benz sent dealers 120 repair notes for this car. The ones about its biggest problems:
- Creaking noise when making vertical or longitudinal adjustment to electrical steering column
- The vehicle cannot be started The vehicle may start by itself shortly after the startup…
- Engine diagnosis warning lamp activated
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Government investigations
- OpenDesiccated air bag inflator rupture2021
NHTSA looks into a problem when enough owners report it. Many end in a recall.
Safety
Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Mercedes-Benz C-CLASS 2 DR 4WD | not rated | not rated | not rated | not rated |
| Mercedes-Benz C-CLASS 2 DR RWD | not rated | not rated | not rated | not rated |
| Mercedes-Benz C-Class 4 DR AWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Mercedes-Benz C-Class 4 DR RWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
Fuel cost and engines
About $3200–3600 a year in fuel (EPA estimate). Engines: 1.8L 4-cyl, 3.5L 6-cyl.
In owners' words
I called my company they said we do not have the parts
2014 Mercedes-Benz C-Class owner · NHTSA complaint 11042936
More owner reports
Takata recall: to date nothing has happened. However, my auto is listed in the airbag recall notice as having defective grounding in the steering column which could lead to a premature deployment of the airbag.
NHTSA complaint 11045150
Takata recall: my mercedes dealer cannot repair or replace the air bag, causing me to continue to drive an unsafe vehicle and risk personal injury or death.
NHTSA complaint 11044289
Quick answers
Is the 2014 Mercedes-Benz C-Class reliable?
Yes, it is one of the most reliable by government complaints. It drew 2.3× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 44; 100 is average, lower is better). The best Mercedes-Benz C-Class year by this measure is 2011.
What are the most common 2014 Mercedes-Benz C-Class problems?
In owner complaints to the government, the parts named most are airbags (44%), electrical (18%) and engine (15%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2014 Mercedes-Benz C-Class have?
None: NHTSA has no safety recalls on record for it.
What gas mileage does the 2014 Mercedes-Benz C-Class get?
22 to 25 mpg combined, depending on the engine (EPA estimate).
Is the 2014 Mercedes-Benz C-Class safe?
NHTSA gave it 5 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.
At what mileage do 2014 Mercedes-Benz C-Class problems start?
Half of the owners who gave a mileage reported the problem between 20,000 and 61,000 miles. The middle report was at 45,800 miles, from 91 complaints.
Does the 2014 Mercedes-Benz C-Class have transmission problems?
Transmission and drivetrain issues make up 13% of its owner complaints.
How much does the 2014 Mercedes-Benz C-Class cost in fuel a year?
About $3200 to $3600 a year, by the EPA's current estimate.
What engines does the 2014 Mercedes-Benz C-Class have?
1.8L 4-cyl, 3.5L 6-cyl.
What Mercedes-Benz C-Class year is better than the 2014?
By owner complaints per car sold, the best recent years are 2011, 2012 and 2010.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works