The Lemon Index

All cars · Mercedes-Benz GLK/GLC

2014 Mercedes-Benz GLK/GLC.

The 2014 Mercedes-Benz GLK/GLC is one of the most reliable years by owner complaints: 14 complaints in its first 3 years and a Lemon Index of 37, where 100 is the average car. Owners complain most about airbags, it has 3 recalls, and it gets 21 to 27 mpg combined. The best Mercedes-Benz GLK/GLC year is 2011.

37Lemon Index · 100 = average car

One of the most reliable. 2.7× fewer complaints than average.

Best year 2011 · Worst year 2016

Mercedes-Benz GLK/GLC
Photo shows a 2018 Mercedes-Benz GLK/GLC. Vauxford, Wikimedia Commons · CC BY-SA 4.0 · background removed

Before you buy. What matters most for this car.

Owner complaints14first 3 years
Fuel economy21–27 mpgcombined, EPA
Crash testnot ratedNHTSA

How serious. Out of 125 owner complaints, owners reported:

5crashes
5injuries
1fires
4tows

What owners complain about most. From owner complaints to the government.

airbags14%
body structure14%
speed control14%
wipers & visibility14%
transmission & drivetrain14%

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.

Transmission problems in every Mercedes-Benz GLK/GLC year →

When owners reported problems. From owner complaints to the government.

half by 51K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 13K to 72K miles on the car (46 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

Recalls 3

  • communication 2019

    For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf.

  • airbags 2019

    An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

  • airbags 2017

    If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems Mercedes-Benz told dealers about

Mercedes-Benz sent dealers 76 repair notes for this car. The ones about its biggest problems:

  • Xentry (mercedes): due to an error in software door control unit, the active blind sport…
  • Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural…
  • Complaint Headlamps fogged or droplets forming

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.

Fuel cost and engines

About $3500–3800 a year in fuel (EPA estimate). Engines: 2.1L 4-cyl, 3.5L 6-cyl.

Quick answers

Is the 2014 Mercedes-Benz GLK/GLC reliable?

Yes, it is one of the most reliable by government complaints. It drew 2.7× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 37; 100 is average, lower is better). The best Mercedes-Benz GLK/GLC year by this measure is 2011.

What are the most common 2014 Mercedes-Benz GLK/GLC problems?

In owner complaints to the government, the parts named most are airbags (14%), body structure (14%) and speed control (14%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2014 Mercedes-Benz GLK/GLC have?

3 safety recalls (latest: communication). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.

What gas mileage does the 2014 Mercedes-Benz GLK/GLC get?

21 to 27 mpg combined, depending on the engine (EPA estimate).

At what mileage do 2014 Mercedes-Benz GLK/GLC problems start?

Half of the owners who gave a mileage reported the problem between 13,600 and 72,500 miles. The middle report was at 51,900 miles, from 46 complaints.

Does the 2014 Mercedes-Benz GLK/GLC have transmission problems?

Transmission and drivetrain issues make up 14% of its owner complaints.

How much does the 2014 Mercedes-Benz GLK/GLC cost in fuel a year?

About $3500 to $3800 a year, by the EPA's current estimate.

What engines does the 2014 Mercedes-Benz GLK/GLC have?

2.1L 4-cyl, 3.5L 6-cyl.

What Mercedes-Benz GLK/GLC year is better than the 2014?

By owner complaints per car sold, the best recent years are 2011, 2012 and 2013.

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

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data