2014 Mercedes-Benz GL-Class reliability
The 2014 Mercedes-Benz GL-Class has 39 complaints with NHTSA after 13 years, or 1 per year. That is fewer complaints per year than most GL-Class years here — under the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Engine (11 of 39), then Electrical system (4) and Powertrain (4). Those filings include 1 that reports an injury.
The 2013 GL-Class has 52 complaints, 5 per year, and the 2015 has 35 complaints, 3 per year. The 2014 has fewer complaints per year than the 2013. The 2014 has fewer complaints per year than the 2015.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2014 Mercedes-Benz GL-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (39 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"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."
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"I recently purchased my Mercedes from Auto Boutique in Pearland, Texas (713) 352-0777. 1.The vehicle's air suspension system is constantly grinding, and moving/adjusting while being driven. It feels like the vehicles…"
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"There were numerous Engine Oil Leak Recalls by Mercedes-Benz. There was a recent recalls announced in 2023, however, my vehicle 2014 GL450 with now about 50K miles, was not included in the list. Since there have been…"
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"On this Engine 166 model, I experience noise when Idling and when driving, coming from Engine with no code to indicate what is the problem of the car. This create the heat of the Engine to go up than normal and make the…"
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"There is a recall on some of the make & models of my truck with different years but, my truck has been having the same issue & I believe that myself & my family may be at risk. The recall states that if the oil level in…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2014 Mercedes-Benz GL-CLASS SUV 4WD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
Recall 13V-166 covers certain 2013 GL350 BlueTEC, GL450 4MATIC, GL550 4MATIC, and GL63 AMG vehicles: second-row seat-belt anchor fitting bolts may not be properly torqued. The campaign lists 256 vehicles across those GL models; dealers check and tighten the bolts. Recall 18V-272 covers certain 2013-2016 GL350 Bluetec, GL550, and GL63 AMG 4Matic vehicles (and ML/GLS models): power steering oil foam can leak from the reservoir. That multi-model campaign lists 9,725 vehicles; dealers correct the oil level and replace the reservoir sealing cap. Recall 16V-900 covers certain 2015 GL350/GL450/GL550 and related models for axle-carrier bolts that may loosen (48 vehicles).
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Frequently asked questions
Is the 2014 Mercedes-Benz GL-Class reliable?
The 2014 Mercedes-Benz GL-Class has 39 complaints with NHTSA after 13 years, or 1 per year. That is fewer complaints per year than most GL-Class years here — under the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
What are common problems with a 2014 Mercedes-Benz GL-Class?
The complaints owners file most often name Engine (11 of 39), then Electrical system (4) and Powertrain (4). Those filings include 1 that reports an injury.
Is the 2014 Mercedes-Benz GL-Class more reliable than the years next to it?
The 2013 GL-Class has 52 complaints, 5 per year, and the 2015 has 35 complaints, 3 per year. The 2014 has fewer complaints per year than the 2013. The 2014 has fewer complaints per year than the 2015.
Has the 2014 Mercedes-Benz GL-Class been recalled?
NHTSA has no recalls on file for the 2014 Mercedes-Benz GL-Class.
How many complaints have owners filed about the 2014 Mercedes-Benz GL-Class?
Owners have filed 39 complaints about the 2014 Mercedes-Benz GL-Class with NHTSA.
What oil does a Mercedes-Benz GL-Class take?
GL 450 lists 0W-30, 0W-40, 5W-30, or 5W-40 (~7.4 qt). Verify the MB approval sheet on the oil container.
What does recall 13V-166 cover on the GL-Class?
Certain 2013 GL350 BlueTEC, GL450 4MATIC, GL550 4MATIC, and GL63 AMG vehicles: second-row seat-belt related defect—see the NHTSA campaign for the remedy.
What tire sizes did the X166 GL-Class use?
275/55R19, 275/50R20, or 295/40R21 depending on trim.