2011 Infiniti M56
Problems, Recalls & Reliability Report
Quick Summary
The 2011 Infiniti M56 has 21 owner complaints filed with NHTSA — that's 0.3x the segment average of 80. The most common issue is transmission problems (29% of all complaints), specifically: we have been trying to resolve this problem through infiniti service center since we bought the car 10 months ago with only 28k miles. the vehicle has severe hesitation when attempting to accelerate immediately after slowing or stopping. on several occasions when stepping on the gas to make a left.
21
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.3x
vs Segment Avg
Known Problems
TRANSMISSION
6 complaints- • WE HAVE BEEN TRYING TO RESOLVE THIS PROBLEM THROUGH INFINITI SERVICE CENTER SINCE WE BOUGHT THE CAR 10 MONTHS AGO WITH ONLY 28K MILES. THE VEHICLE HAS SEVERE HESITATION WHEN ATTEMPTING TO ACCELERATE IMMEDIATELY AFTER SLOWING OR STOPPING. ON SEVERAL OCCASIONS WHEN STEPPING ON THE GAS TO MAKE A LEFT
- • DRIVING THIS CAR IS VERY FUN AND I HAVE ENJOYED THE CAR VERY MUCH BUT JUST LAST WEEK I NOTICED A SMELL LIKE BURNING RUBBER OR OIL, COME TO FIND OUT THE NEXT DAY I WAS DRIPPING OIL ONLY NOT A STEADY DRIP BUT A DRIP ONLY FROM DRIVING, ONCE I STOP AND THE CAR COOLS THE DRIP STOPS. I HAVE RESEARCH AND
- • I STARTED THE CAR UP AND STARTED TO DRIVE TO WORK ABOUT 3 MILES INTO DRIVING THE CHECK ENGINE LIGHT CAME ON FOLLOWED BY REVS WITH NO POWER OR SPEED GAIN AND THE VEHICLE WAS GIVING ME AROUND 15MPH TO THE POINT WHERE I COULDN'T GAIN MUCH MORE SPEED AND HAD TO PULL OFF THE ROAD. THERE WAS A VOLUNTARY S
“WE HAVE BEEN TRYING TO RESOLVE THIS PROBLEM THROUGH INFINITI SERVICE CENTER SINCE WE BOUGHT THE CAR 10 MONTHS AGO WITH ONLY 28K MILES. THE VEHICLE HAS SEVERE HESITATION WHEN ATTEMPTING TO ACCELERATE IMMEDIATELY AFTER SLOWING OR STOPPING. ON SEVERAL OCCASIONS WHEN STEPPING ON THE GAS TO MAKE A LEFT”
— NHTSA complaint filing
ENGINE
4 complaints- • MY SOLENOID SWITCH WENT BAD ON ME AND NEEDED TO BE REPLACED, TOOK IT TO THE INFINITI DEALERSHIP AND THEY CORRECTED THE PROBLEM SO I THOUGHT UNTIL OCT 13 WHEN I KEPT HEARING THIS NOISE COMING FROM MY HOOK LIKE A SQUEALING NOISE.. TOOK IT BACK TO THE DEALERSHIP AND FOUND OUT IT WAS THE TIMING CHAIN, W
- • DRIVING THIS CAR IS VERY FUN AND I HAVE ENJOYED THE CAR VERY MUCH BUT JUST LAST WEEK I NOTICED A SMELL LIKE BURNING RUBBER OR OIL, COME TO FIND OUT THE NEXT DAY I WAS DRIPPING OIL ONLY NOT A STEADY DRIP BUT A DRIP ONLY FROM DRIVING, ONCE I STOP AND THE CAR COOLS THE DRIP STOPS. I HAVE RESEARCH AND
- • I STARTED THE CAR UP AND STARTED TO DRIVE TO WORK ABOUT 3 MILES INTO DRIVING THE CHECK ENGINE LIGHT CAME ON FOLLOWED BY REVS WITH NO POWER OR SPEED GAIN AND THE VEHICLE WAS GIVING ME AROUND 15MPH TO THE POINT WHERE I COULDN'T GAIN MUCH MORE SPEED AND HAD TO PULL OFF THE ROAD. THERE WAS A VOLUNTARY S
“MY SOLENOID SWITCH WENT BAD ON ME AND NEEDED TO BE REPLACED, TOOK IT TO THE INFINITI DEALERSHIP AND THEY CORRECTED THE PROBLEM SO I THOUGHT UNTIL OCT 13 WHEN I KEPT HEARING THIS NOISE COMING FROM MY HOOK LIKE A SQUEALING NOISE.. TOOK IT BACK TO THE DEALERSHIP AND FOUND OUT IT WAS THE TIMING CHAIN, W”
— NHTSA complaint filing
ELECTRICAL
3 complaints- • TL* THE CONTACT OWNS A 2011 INFINITI M56X. THE CONTACT STATED THE VEHICLE FAILED TO START. THE CONTACT WAS ABLE TO START THE VEHICLE. HOWEVER, SHORTLY AFTER THE BATTERY DIED, THE LIGHTS FAILED AND THE VEHICLE AUTOMATICALLY LOCKED, LEAVING THE CONTACT TRAPPED IN THE VEHICLE. THE VEHICLE WAS TAKEN TO
- • MY SOLENOID SWITCH WENT BAD ON ME AND NEEDED TO BE REPLACED, TOOK IT TO THE INFINITI DEALERSHIP AND THEY CORRECTED THE PROBLEM SO I THOUGHT UNTIL OCT 13 WHEN I KEPT HEARING THIS NOISE COMING FROM MY HOOK LIKE A SQUEALING NOISE.. TOOK IT BACK TO THE DEALERSHIP AND FOUND OUT IT WAS THE TIMING CHAIN, W
- • ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI
“TL* THE CONTACT OWNS A 2011 INFINITI M56X. THE CONTACT STATED THE VEHICLE FAILED TO START. THE CONTACT WAS ABLE TO START THE VEHICLE. HOWEVER, SHORTLY AFTER THE BATTERY DIED, THE LIGHTS FAILED AND THE VEHICLE AUTOMATICALLY LOCKED, LEAVING THE CONTACT TRAPPED IN THE VEHICLE. THE VEHICLE WAS TAKEN TO ”
— NHTSA complaint filing
AIR BAGS
2 complaints- • ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI
- • Front passenger airbag occupancy sensor fails leading to inactivation of front passenger airbag. Dealership says that a repair solution is not available.
“ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI”
— NHTSA complaint filing
SEATS/RESTRAINTS
1 complaints- • ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI
“ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 21 owner complaints for this specific year, here's what to check or ask about:
- ☐TRANSMISSION: WE HAVE BEEN TRYING TO RESOLVE THIS PROBLEM THROUGH INFINITI SERVICE CENTER SINCE WE BOUGHT THE CAR 10 MONTHS AGO WITH ONLY 28K MILES. THE VEHICLE HAS SEVERE HESITATION WHEN ATTEMPTING TO ACCELERATE IMMEDIATELY AFTER SLOWING OR STOPPING. ON SEVERAL OCCASIONS WHEN STEPPING ON THE GAS TO MAKE A LEFT
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: MY SOLENOID SWITCH WENT BAD ON ME AND NEEDED TO BE REPLACED, TOOK IT TO THE INFINITI DEALERSHIP AND THEY CORRECTED THE PROBLEM SO I THOUGHT UNTIL OCT 13 WHEN I KEPT HEARING THIS NOISE COMING FROM MY HOOK LIKE A SQUEALING NOISE.. TOOK IT BACK TO THE DEALERSHIP AND FOUND OUT IT WAS THE TIMING CHAIN, W
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: TL* THE CONTACT OWNS A 2011 INFINITI M56X. THE CONTACT STATED THE VEHICLE FAILED TO START. THE CONTACT WAS ABLE TO START THE VEHICLE. HOWEVER, SHORTLY AFTER THE BATTERY DIED, THE LIGHTS FAILED AND THE VEHICLE AUTOMATICALLY LOCKED, LEAVING THE CONTACT TRAPPED IN THE VEHICLE. THE VEHICLE WAS TAKEN TO
Typically appears around 50K miles. Repair cost ~$500
- ☐AIR BAGS: ISSUE: PASSENGER SEAT BELT LIGHT CONTINUES TO REMAIN ON AFTER THE PASSENGER IS NO LONGER SITTING ON THE SEAT. ROOT CAUSE FROM DEALER: DEFECTIVE PASSENGER OCCUPANCY SENSOR. ONLY WAY TO TURN OFF THE SEAT BELT LIGHT IS TO EITHER PUT THE PASSENGER SEAT BELT ON OR TURN ON AND OFF THE CAR. I NOTI
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Infiniti M56 — Year Comparison
How does 2011 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 21
- Recalls
- 0
- Fire reports
- 0
- Crash reports
- 0
- Injury reports
- 0
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2011 Infiniti M56