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Mercedes-Benz GL550Model year report

2014 Mercedes-Benz GL550 Problems

Complaints
10filed with NHTSA
Median mileage
33,500miles, 6 complaints with mileage
Recalls
3campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—no overall rating published
EPA fuel economy
15 mpgcombined, 4.7L 8-cyl 4WD · 13 city / 18 hwy

Sources: NHTSA records for the 2014 Mercedes-Benz GL550 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 10 consumer complaints for the 2014 Mercedes-Benz GL550. The part named most often is engine, with 2 complaints (20% of the total), followed by steering (2) and suspension (2). 6 of the complaints include a mileage, and 67% of those were filed for vehicles with under 50,000 miles; the median is 33,500 miles. Of all complaints, 1 an injury, according to the filers. NHTSA lists 3 recall campaigns and 80 technical service bulletins for this model year. Engine complaints overlap with 5 technical service bulletins filed under the same part. Steering complaints overlap with 2 technical service bulletins 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.

Also reported: Wheels (1).

Example complaints

Engine: “Tapping noise developed in the engine, after dealership inspection using borescope, scored cylinder walls were found, resulting to engine replacement. Please see: Lena Jamil, et al. v. Mercedes-Benz USA, LLC (Case No: 2:22-cv-08130-FLA-AFM)”

NHTSA complaint #11537166, filed 2023-08

Steering: “Daimler ag, (dag) the manufacturer of Mercedes-Benz vehicles, has determined that on certain gle, gls and gle coup vehicles (166, 292 platform) with the active curve system (acs), the oil in the acs's oil reservoir could start foaming under dynamic driving situations in combination with an oil level below minimum. The oil foam might leak out of the oil reservoir through the vent holes in the sealing cap. Depending on the orientation of the vent holes in the sealing cap, leaking oil could spray onto hot surface components of the exhaust system. …”

NHTSA complaint #11104245, filed 2018-06, 34,000 miles

Suspension: “Vehicle was parked on the driveway, brake sign came on upon start and system malfunction error showed on screen, vehicle started lowering automatically and Air compressor stopped working.”

NHTSA complaint #11756541, filed 2026-08

Mileage when problems were reported

67% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 33,000 and 100,000 miles.

0%0–1017%10–2550%25–500%50–750%75–10033%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 33,500 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20142017201820232024320252026
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 GL550 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
GL550 4matic 4WD4.7L 8-cyl7-speed automatic131815$5,500

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 GL550 → · 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. 80 on record; the latest 10 are shown.

See all 80 bulletins →

Other model years of the Mercedes-Benz GL550

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
201582,2003—15—Not enough data
20141033,5003—15—Not enough data
2013662,6863—15—Not enough data
2012861,0003—14—Not enough data
20111569,0003—14—Rising
2009694,6003—14—Not enough data
20081295,5002—14—Not enough data

All Mercedes-Benz GL550 model years

Frequently asked questions

How many NHTSA complaints does the 2014 Mercedes-Benz GL550 have?

NHTSA recorded 10 consumer complaints for the 2014 Mercedes-Benz GL550 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2014 Mercedes-Benz GL550 is reported most often?

Engine is named most often, in 2 complaints (20% of the total), followed by steering with 2.

Has the 2014 Mercedes-Benz GL550 been recalled?

NHTSA lists 3 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 GL550 get?

The EPA rates the 2014 Mercedes-Benz GL550 (GL550 4matic, 4.7L 8-cyl) at 15 mpg combined, 13 city and 18 highway, with an estimated annual fuel cost of $5,500 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2014 Mercedes-Benz GL550 reported?

Among the 6 complaints that include a mileage, the median is 33,500 miles and the middle half falls between 33,000 and 100,000 miles; 67% 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.