There are 4 owner-reported powertrain & transmission complaints for the 2012 Infiniti G37in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THIS VEHICLE HAS A GENERIC PROBLEM WITH ACCELERATION: UNDER SOME CIRCUMSTANCES, ESPECIALLY AT LOW SPEED WHEN THE ACCELERATOR PEDAL IS PUSHED HARD FOR RAPID ACCELERATION, THE CAR WILL NOT ACCELERATE, BUT HESITATE, FOR ALMOST 2 SECONDS, BEFORE FINALLY ACCELERATING. IN SOME CIRCUMSTANCES, THIS CAN BE A SERIOUS SAFETY ISSUE: MERGING INTO (RAPIDLY MOVING) TRAFFIC, SEEKING TO CROSS AN INTERSECTION, STRIVING TO AVOID INATTENTIVE OR CARELESS DRIVERS, ETC. I HAVE COMPLAINED ABOUT THIS REPEATEDLY TO THE DEALERSHIP. THEY SAY IT IS A TRANSMISSION ISSUE, BUT THEY ADMIT IT IS A KNOWN ISSUE. YET NOTHING HAS BEEN DONE. I REGARD THIS AS SO SERIOUS THAT I AM READY TO SELL THE VEHICLE (THO WE LIKE IT IN EVERY OTHER RESPECT): AN ONCOMING TRAIN, OR ANY OTHER VEHICLE TRAVELING 60 MPH, TRAVELS 176 FEET IN 2 SECONDS, WHILE WE ARE SITTING IN THE CAR GOING NOWHERE. !
TL* THE CONTACT OWNS A 2012 INFINITI G37. THE CONTACT ATTEMPTED TO START THE VEHICLE, BUT IT WOULD NOT START WITHOUT CHARGING THE BATTERY. ON JANUARY 30, 2014, THE CONTACT STATED THAT THE FAILURE MILEAGE WAS 18,430. AFTER PARKING THE VEHICLE, THE INSTRUMENT PANEL ILLUMINATED AND THE VEHICLE STARTED AFTER THE BATTERY WAS CHARGED. THE FAILURE RECURRED ON SEPTEMBER 18, 2014 AND THE FAILURE MILEAGE WAS 20,900. WHEN THE CONTACT OPENED THE DOOR, A BEEPING NOISE SOUNDED APPROXIMATELY SIX TIMES AND ALL OF THE WARNING INDICATORS ILLUMINATED; HOWEVER, THE HEADLIGHTS AND THE INTERIOR LIGHTING FAILED TO ILLUMINATE. AS A RESULT, THE CONTACT HAD TO DRIVE AT NIGHT WITHOUT HEADLIGHTS. IN ADDITION, THE TRANSMISSION FLUID CONTAMINATED THE RADIATOR AND THE ENGINE, WHICH CAUSED THE VEHICLE TO SHUT OFF WHILE DRIVING APPROXIMATELY 35 MPH. THE VEHICLE WAS TOWED TO THE DEALER. THE CONTACT WAS RESPONSIBLE FOR THE REPAIRS, WHICH INCLUDED FLUSHING THE ENGINE. THE DEALER STATED THAT THE TRANSMISSION FLUID CONTAMINATED THE ELECTRICAL SYSTEM AND ENGINE, WHICH CAUSED THE FAILURE TO OCCUR. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 20,940.
WHILE DRIVING ON FREEWAY, CLUTCH GOT STUCK. I WAS UNABLE TO SWITCH GEARS. I ENDED UP STOPPED IN THE #2 LANE AND COULD NOT MOVE. I HAD TO PUSH MY VEHICLE TO THE SIDE OF THE ROAD WITH THE HELP OF ANOTHER MOTORIST. I FINALLY GOT THE VEHICLE BACK INTO GEAR BY PULLING UP THE CLUTCH USING THE TOP OF MY SHOE. AFTER I RESUMED DRIVING, THE CLUTCH GOT STUCK AGAIN. I BROUGHT THE VEHICLE TO THE DEALERSHIP AND INFORMED THEM OF THE ISSUE. I ALSO OPENED A FILE WITH INFINITI USA. I HAVE VIDEO FROM WHEN MY CAR WAS DISABLED SHOWING THAT THE CLUTCH WAS STUCK AND VEHICLE COULD NOT BE PUT INTO GEAR. VERY VERY DANGEROUS! *TR
DID NOT BRING BACK THE GEAR TO PARK AND PRESSED THE START BUTTON. LEFT THE VEHICLE NOT HEARING THE VERY WEAK SIGNAL. WROTE TO MANUFACTURER ABOUT THIS DESIGN ISSUE. THEY DID NOT CARE, EVEN THEY RESPONDED THAT IT IS THE WAY IT IS DESIGNED. ANY DRIVER WITH EUROPEAN OR MANUAL GEAR BACKGROUND WILL MAKE THE SAME MISTAKE. THE CAR WAS POSITIONED ON A SLOPE, IN A GARAGE AFTER I ARRIVED AT MY DESTINATION. AN AGENT HAD THE REFLEX TO JUMP IN THE CAR (I LEFT THE DOOR OPENED) AND STOP THE VEHICLE. WITHOUT THIS INITIATIVE, THE CAR WOULD HAVE CRASHED AGAINST ANOTHER CAR DOWN THE SLOPE (VERY STEEP IN A NEW YORK GARAGE) AND GET THE WHOLE FRONT CRASHED AND THE OTHER CAR'S SIDE. BUT IN A STREET ANYWHERE, IT CAN JUST KILL SOMEONE! *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026