AI Damage2014 Mercedes-Benz GL350: common problems
Owners of the 2014 Mercedes-Benz GL350 filed 6 complaints with NHTSA, most often about engine and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 6
What fails most often
- 1 Engine 17% of all complaints
- 2 Engine and cooling 17% of all complaints
- 3 Powertrain 17% of all complaints
- 4 Steering 17% of all complaints
- 5 Structure 17% of all complaints
- Engine: 1 complaints (17% of all).
- Engine and cooling: 1 complaints (17% of all).
- Powertrain: 1 complaints (17% of all).
- Steering: 1 complaints (17% of all).
- Structure: 1 complaints (17% of all).
Symptoms owners describe
How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 1 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Other | 2 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that while inspecting the vehicle, there was oil leaking underneath the vehicle. Additionally, the check engine warning light was illuminated while operating the vehicle.
As I was driving down on I-27 from amarillo to lubbock at 70 miles per hour on 6/22/2020 in pleasant weather and no vehicles either in front of me or beside me, the middle panel of the panoramic sunroof suddenly exploded with the glass shattering into pieces and some of the pieces dropping into the passenger cabin.
Have a mercedes gl 350 with only 63000 miles, has made a small rattle sound when first purchased that I related to being diesel, rattle has gotten worse, took in to a mechanic who stated timing chain, I called my mercedes local dealership and service manager stated he spoke with auto technician who "laughed" when he…
Power steering went out while car was parked , drove car without power steering for about 9 miles to get to safe place. After car was restarted several times steering started to work fine. Took car to dealer for check of problem but they couldn't to get it to fail again.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 13,281 of 36,659 model years in the NHTSA data (top 36% most complained about).
On average one model year of the GL350 has 10 complaints (9 years in the data). This year has 6, below average.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Other years of this model
Questions and answers
What are the most common problems with the 2014 Mercedes-Benz GL350?
Owner complaints to NHTSA most often mention: engine, engine and cooling, powertrain. Total complaints: 6. The most frequent symptoms in complaint texts: knocking, grinding or other noise (17%), oil leak or consumption (17%), steering or power steering problems (17%).
How many service bulletins (TSB) were issued for the 2014 Mercedes-Benz GL350?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2014 Mercedes-Benz GL350 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2014 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.