2015 Mercedes-Benz GL450Problems, recalls & complaints

NHTSA has logged 18 owner complaints about the 2015 Mercedes-Benz GL450, most often about the engine. It is covered by 3 safety recalls, and for recall 16V-900 the manufacturer reports only 73% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 31, 2026. Updated daily.

Complaints by system

Where the 2015 Mercedes-Benz GL450 has problems

18 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine73
Suspension30
Seats30
Power train21
Electrical system20
Visibility/wiper10
Electronic stability control (ESC)10
Steering10
Structure10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2015 Mercedes-Benz GL450 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

78%repaired · 2021 Q1

Communication

Recall 19V-787 · Nov 1, 2019 · 24,226 vehicles · 18,993 repaired

Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Problem, fix and repair progress →

94%repaired · 2019 Q4

Suspension: front

Recall 18V-272 · Apr 27, 2018 · 9,725 vehicles · 9,138 repaired

Risk. The leaking oil in the presence of an ignition source can increase the risk of a fire.

Problem, fix and repair progress →

73%repaired · 2018 Q2

Axle assembly: axle shaft

Recall 16V-900 · Dec 14, 2016 · 48 vehicles · 35 repaired

Risk. If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2015 vs. every other GL450 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GL450 median. How we score

'07'08'09'10'11'12'13'14'15'16'17
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What GL450 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

My 2015 Mercedes-Benz GLE 450 experienced an unexpected vehicle fire on Feb 13th 2026. The vehicle was just parked when I noticed smoke from the engine. The vehicle caught fire within a short period of time, and 911 was called. There was no known external cause for the fire. The incident appeared…
Complaint 11728375 · Mar 31, 2026
To Whom It May Concern: I am writing to formally request the National Highway Traffic Safety Administration’s assistance regarding a critical safety defect in my 2015 Mercedes‑Benz GL 450 (M278 engine). I purchased this vehicle in October 2024 with 76,000 miles, and it now has about 87,000 miles.…
Complaint 11679345 · Aug 8, 2025
The contact owns 2015 Mercedes-Benz GL450. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, where DTC code: P060A00 was retrieved. The dealer determined that the solenoid valve had failed and needed to be replaced. The contact related the…
Complaint 11626901 · Nov 22, 2024 · 119,000 miles

Own a 2015 GL450?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.