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Mercedes-Benz GLK250Model year report

2014 Mercedes-Benz GLK250 Problems

Complaints
21filed with NHTSA
Median mileage
62,000miles, 7 complaints with mileage
Recalls
5campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—no overall rating published
EPA fuel economy
27 mpgcombined, 2.1L 4-cyl · diesel 4WD · 24 city / 32 hwy

Sources: NHTSA records for the 2014 Mercedes-Benz GLK250 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 21 consumer complaints for the 2014 Mercedes-Benz GLK250. The part named most often is air bags, with 15 complaints (71% of the total), followed by other or unknown (3) and engine (2). 7 of the complaints include a mileage, and 14% of those were filed for vehicles with under 50,000 miles; the median is 62,000 miles. Of all complaints, 1 involved a crash, 2 an injury, according to the filers. NHTSA lists 5 recall campaigns and 70 technical service bulletins for this model year. Air bags complaints overlap with 2 recall campaigns covering the inflator module and 1 technical service bulletin filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Air bags: “How many years is acceptable for this recall to have no remedy ? If it's so dangerous as to warrant a recall, why is it so safe to simply ignore for years, and years?”

NHTSA complaint #11298176, filed 2020-01, 62,000 miles

Other or unknown: “My 2014 mercedes glk 250 with 16,705 miles, on 11/03/2015 experienced the engine warning display stating to add blue. I did this but the warning did not remove but stated I had 10 starts remaining. I was 700 miles from home so returned conserving my remaining starts. Found multiple problems with the blue tech emissions system including def injector nozzle failing to spray. All covered by warranty. On 06/15/2019 with 58,129 miles, the engine warning light again came on to add blue. I checked bluetec level to be nearly full. The warning stated I had eight remaining starts. …”

NHTSA complaint #11240893, filed 2019-07, 58,000 miles

Engine: “Left side boost tube blown twice on my vehicle. Technical part info: 204-528-00-00, Charge Air Hose Both incidents involved sudden loss of power in the middle of the free way driving. First incident: Christmas Day 2018, on the way to Las Vegas from Grand Canyon visit, on highway 93. Fortunately, no vehicle was behind when I lost the power, moved to right lane and continued driving slowly to reach the hotel in LV (about 50 miles at low speeds). Check engine light came on immediately after loosing the power. …”

NHTSA complaint #11428939, filed 2021-08

Vehicle speed control: “The contact owns a 2014 Mercedes Benz GLK250. The contact stated while driving at a slow speed and seeking a parking spot, the vehicle accelerated independently and caused her to crash into a parked vehicle. The contact stated no warning light was illuminated. The air bags did not deploy. The contact stated she did not sustain any injuries and her daughter (front passenger side) was feeling dizzy but declined to seek medical attention. A police report was filed. The vehicle was not drivable. The contact towed the vehicle to an independent mechanic. The vehicle was not diagnosed or repaired. …”

NHTSA complaint #11500787, filed 2023-01, 122,000 miles

Mileage when problems were reported

14% of the 7 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 59,000 and 75,000 miles.

14%0–100%10–250%25–5043%50–7529%75–10014%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (7 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 62,000 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

2016201920209202120222023
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2014 Mercedes-Benz GLK250 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
GLK250 Bluetec 4matic 4WD2.1L 4-cyl · diesel7-speed automatic243227$3,550

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2014 Mercedes-Benz GLK250 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 70 on record; the latest 10 are shown.

See all 70 bulletins →

Other model years of the Mercedes-Benz GLK250

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20151939,0005—27—Falling
20142162,0005—27—Falling
2013676,7246—27—Not enough data

All Mercedes-Benz GLK250 model years

Frequently asked questions

How many NHTSA complaints does the 2014 Mercedes-Benz GLK250 have?

NHTSA recorded 21 consumer complaints for the 2014 Mercedes-Benz GLK250 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2014 Mercedes-Benz GLK250 is reported most often?

Air bags is named most often, in 15 complaints (71% of the total), followed by other or unknown with 3.

Has the 2014 Mercedes-Benz GLK250 been recalled?

NHTSA lists 5 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2014 Mercedes-Benz GLK250 get?

The EPA rates the 2014 Mercedes-Benz GLK250 (GLK250 Bluetec 4matic, 2.1L 4-cyl · diesel) at 27 mpg combined, 24 city and 32 highway, with an estimated annual fuel cost of $3,550 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2014 Mercedes-Benz GLK250 reported?

Among the 7 complaints that include a mileage, the median is 62,000 miles and the middle half falls between 59,000 and 75,000 miles; 14% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.