Problems · NHTSA complaints

2012 Infiniti G-Class problems

Owners filed 75 complaints about the 2012 Infiniti G-Class with NHTSA between Sep 2012 and Oct 2025. The most-cited component is air bags (38).

Complaints
75
Filed with NHTSA
Crashes
5
Reported by owners
Fires
2
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Air bags38
  2. Electrical system14
  3. Seats11
  4. Vehicle speed control6
  5. Structure4
  6. Engine4
  7. Power train4
  8. Tires3
  9. Exterior lighting2
  10. Visibility/wiper2
  11. Service brakes2
  12. Steering2
  13. Visibility1
  14. Back over prevention1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20125
20135
20144
20150
20162
20174
20188
201913
20208
20219
20223
20235
20245
20254

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Air bags

38 reports1 crash
“I purchased this vehicle, 2012 Infiniti G 37XS in September 2023. The vehicle was basically brand new with less than 2200 miles on it and I have driven it very little up to that point, October 2024, as it is not my primary vehicle. Around [XXX], I believe it was around 8100 miles and change on the vehicle, a warning light came on my dash regarding my passenger airbag. Since that date, I have worked with Plaza Infiniti in Creve Coeur, who has looked at the vehicle a few times and identified that there is no part replacement other than OEM that can fix this issue. However, the part has been discontinued. Today, I reached out to Infiniti directly, and with a sad heart, they refuse to even listen to me. Now, I have a vehicle that has a safety issue and no way to fix it. The part number 87300–1NL6A, is the lower seat assembly for the passenger side of my 2012 Infiniti G 37XS. This part also has the occupant sensor which is directly affecting the airbag. The sensor is not replaceable separately of the lower seat assembly.”
Owner complaint to NHTSAFiled Jun 11, 2025Electrical system, Air bags, SeatsODI 11666362

Electrical system

14 reports1 fire
“If you search the internet, you'll see that there's a large problem with the sunroof drainage in this car dumping water into the cabin, into the glove box and down the right kick panel, which is where the bcm unit sits, and then dumps down the rocker panel where all the electrical wiring runs.”
Owner complaint to NHTSAFiled Oct 7, 2025Electrical system, Exterior lighting, Unknown or otherODI 11691957

Seats

11 reports
“I’ve owned this 2012 g37 for a few years and had no issues whatsoever. However within the last couple of months, my air bag light came on and has been flashing since. I’ve taken it to get inspected and had the system checked and was told my passenger seat occupant sensor malfunctioned and is throwing the code on. The sensor itself, very easily replaced, is unable to be bought by itself. Repairs by the dealership is well over 5,000 for the seat and labor. The sensor is being sold as a component part of the bottom build of the seat, and cannot be sold otherwise. The issue with the sensor not being active, prevents the activation of the passenger airbag regardless of the seat being occupied or not. My concerns are that I won’t be able to safely commute with passengers on the road and also being able to pass state inspection, as needed per law per state. Without this sensor, driving is an everyday peril, a safety concern a driver has no control over with other vehicles on the road. There has not been any prior incidents that have occurred that could cause this electronic issue.”
Owner complaint to NHTSAFiled Sep 10, 2023Electrical system, Air bags, SeatsODI 11543661

Vehicle speed control

6 reports3 crashes
“TL* THE CONTACT OWNED A 2012 INFINITI G37. ON MAY 23, 2019, WHILE DRIVING 5 MPH, THE CONTACT PULLED INTO A PARKING SPACE AT THE POST OFFICE. SUDDENLY, THE VEHICLE ACCELERATED, DROVE OVER A CEMENT BARRIER, AND CRASHED INTO THE BUILDING. ON JULY 3, 2019, WHILE DRIVING 10 MPH, THE CONTACT SLOWED DOWN TO PARK. ONCE AGAIN, THE VEHICLE ACCELERATED, DROVE OVER A CURB, AND CRASHED INTO THE SIDE OF A BUILDING. DURING BOTH FAILURES, THE AIR BAGS DID NOT DEPLOY AND THERE WERE NO INJURIES. POLICE REPORTS WERE NOT FILED. THE VEHICLE WAS TOWED TO THE CONTACT'S HOME AND DEEMED TOTALED BY THE CONTACT'S INSURANCE COMPANY AFTER THE LAST CRASH. THE CONTACT CALLED INFINITY OF LYNNWOOD (17305 HWY 99, LYNNWOOD, WA 98037, (425) 409-6274) AND WAS ADVISED TO HAVE THE VEHICLE TOWED TO THEM FOR INSPECTION. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 83,000. *BF *TR”
Owner complaint to NHTSAFiled Jul 8, 2019Air bags, Vehicle speed controlCrash reportedODI 11230208

Structure

4 reports
“Passenger Side Air Bag sensor flashes possibility due to faulty sensor in passenger seat. Water enters cabin on passenger side causing water to pool on floorboards, possibly causing electrical damage and failure. Water entering could be due to flawed design in water channel or sunroof.”
Owner complaint to NHTSAFiled Jun 20, 2023Air bags, Structure, SeatsODI 11527866

Engine

4 reports1 fire
“The contact owns a 2012 Infiniti G37. The contact stated while starting the vehicle, the vehicle burst into flames in the front area of the vehicle. As a result, the front of the vehicle was severely burned and two parked vehicles nearby were damaged due to the fire. The fire department was able to extinguish the fire on all the vehicles. The contact did not suffer any injuries. A police report was filed. The vehicle was not diagnosed. The manufacturer was not notified of the failure. The failure mileage was unknown.”
Owner complaint to NHTSAFiled Feb 8, 2023EngineFire reportedODI 11506286
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.