2007 INFINITI M35 Interior & seats Problems

I am filing a complaint regarding a safety-related failure of the driver’s seat bracket in my vehicle. The bracket has broken, causing the driver’s seat to rock back and forth while the vehicle is in motion. I took the vehicle to an authorized dealer for inspection, and they confirmed that the seat bracket has failed. I was also informed that the replacement part is no longer in production and is unavailable. This condition poses a significant safety risk. A loose or unstable driver’s seat can impair vehicle control, increase driver distraction, and reduce the effectiveness of seatbelt and airbag systems in the event of a crash. As a result, this defect substantially increases the likelihood of an accident and the risk of serious injury. I am aware that there have been numerous similar complaints regarding this issue, yet no recall has been issued. Given the safety implications and apparent frequency of this defect, I believe this matter warrants further investigation and corrective action.

NHTSA ID

11728078

Incident

Mar 23, 2026

I was driving home recently and the back of my seat near the base gave out on me, the lower back/bottom raising motor was working but the seat was not going up. Upon inspection I found that the welds on the seat bracket had broken, going online and searching found me countless forums of seat brackets breaking during driving. Two main issues with this 1. I almost lost control due to the sudden drop 2. If I was to get into a collision the seat is not secure whatsoever. This is not an uncommon issue and I am astonished no recall has been given Sources of similarity [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11657916

Incident

Apr 28, 2025

THE LEFT FRONT DRIVER SEAT BEGAN MOVING SLIGHTLY FWD/BACK WHEN BRAKING AND ACCELERATING AT @ 75K MILES. THEN THAT ASSEMBLY JUST BROKE (SEAT SETTLED) AS I GOT IN THE CAR ONE DAY AND I CAN NO LONGER MOVE IT BACK AND FORTH OR UP/DOWN AT ALL. SO RAIL BROKE AND THEN THE SEAT MOTOR DIED. I HAVE READ OF SO MANY OF THESE STORIES WITH THIS YEAR VEHICLE. UPON RESEARCH, I FOUND THEY ONLY USED THIS ASSY FROM 5/2006 TO 9/2007. I HAVE TO BELIEVE NISSAN/INFINITI KNEW THEY HAD AN ISSUE WITH THIS DESIGN. *TR

NHTSA ID

11324696

Incident

Mar 1, 2017

Mileage

80,000 mi

I WAS DRIVING ON FREEWAY AND DRIVERS SEAT BRACKET BROKE AND THREW ME FORWARD AND ALMOST CAUSED SEVERE ACCIDENT--- TOOK TO DEALER WHO SAID THIS HAPPENS A LOT IN THESE CARS AND THEY WANTED 1500$ TO FIX-- I CANT AFFORD-- I CHECKED AND THERE HAVE BEEN OVER A HUNDRED SUCH REPORTS-- SOME INVOLVING INJURY-- SHOULD THESE SEAT BRACKETS NOT BE RECALLED??? ONLY 75K ON ODOMETER

NHTSA ID

11244501

Incident

Jul 5, 2019

Mileage

75,000 mi

AS I WAS DRIVING ON A NORMAL CITY STREET IN REGULAR TRAFFIC, THE DRIVER SEAT SUDDENLY STARTED MOVING FORWARD, POWERED BY THE SEAT CONTROL. I REACHED DOWN TO PUSH THE LEVER/SEAT CONTROL BACK, BUT THE SEAT MOTOR WOULD NOT STOP; IT PUSHED THE SEAT FULLY FORWARD. I STOPPED THE CAR TO MOVE IT BACK AND WAS UNABLE TO. THE OTHER SEAT FUNCTIONS WORKED: UP, DOWN, TILT, ETC. THIS HAS HAPPENED ON FOUR SEPARATE OCCASIONS. THE LAST THREE TIMES THE SEAT MOTOR HAS STARTED WORKING AGAIN OF ITS OWN ACCORD. THIS TIME IT IS STILL STUCK FORWARD.

NHTSA ID

11118961

Incident

Aug 10, 2018

Mileage

260,000 mi

THE POWER SEATS LOST ITS MEMORY FUNCTION

NHTSA ID

11110374

Incident

Jun 18, 2018

DURING NORMAL OPERATION, THE SEAT HAS FAILED IN IT'S ORIGINAL DESIGN INTENT. I BELIEVE THAT THE A FAILURE IN SOME COMPONENT UNDER THE SEAT CAUSED STRESS ON THE PIVOT POINT FOR UP-DOWN MOVEMENT IN THE SEAT AND OVER AN EXTENDED PERIOD OF TIME THE POINT FINALLY SHEARED. I BELIEVE THE EXTENSIVE STRESS WAS CAUSED BECAUSE OF THE AUTOMATIC SEAT MOVEMENT THAT OCCURS WHEN THE DRIVER ENTERS AND EXITS THE VEHICLE THE BRACKET WHICH ALLOWS THE SEAT TO MOVE UP AND DOWN WITH THE POWERED CONTROL HAS FAILED ON BOTH SIDES OF THE LEFT FRONT BUCKET SEAT. THE SEAT NOW MOVES FREELY FORWARD AND BACK AND POSES A SERIOUS SAFETY RISK TO MYSELF AND ANYONE ELSE WHO MIGHT BE DRIVING THE VEHICLE. THIS PUTS ME IN A TERRIBLE POSITION BECAUSE AS A CONCERNED CONSUMER I HAVE TO WORRY ABOUT THE FACT THAT AN ACCIDENT COULD BE FATAL DUE TO COMPONENT FAILURES. SHOULD I MOVE FORWARD WITH GETTING RID OF THE VEHICLE, EITHER BY SELLING IT TO ANOTHER PERSON OR TRADING IN THE VEHICLE, I PUT SOMEONE ELSE IN RISK AND/OR WILL TAKE A HUGE LOSS ON THE VALUE OF THE VEHICLE BECAUSE OF THE CONDITION WHICH WAS CAUSED BY POOR DESIGN AND/OR QUALITY TESTING. THIS IS A SERIOUS ISSUE AND NEEDS TO BE REMEDIED BY NISSAN USA IMMEDIATELY!

NHTSA ID

11100694

Incident

Jun 7, 2018

Mileage

122,500 mi

THE DRIVER SEAT REAR BRACKET BROKE UNDER NORMAL USE AND HAS RESULTED IN THE SEAT NOT BEING SECURELY ATTACHED TO THE FRAME. I WAS ENTERING THE PARKED VEHICLE WHEN IT BROKE. AS A RESULT THE SEAT FLIPS FORWARD WHEN STOPPING WHICH IS EXTREMELY UNSAFE. JUDGING BY THE HUNDREDS (M/B THOUSANDS OF COMPLAINTS ONLINE) THIS IS CLEARLY A MAJOR MANUFACTURING DEFECT THAT NISSAN SHOULD REPAIR AT NO COST TO OWNERS.

NHTSA ID

11093771

Incident

May 10, 2018

Mileage

135,000 mi

TL* THE CONTACT OWNS A 2007 INFINITI M35. THE CONTACT STATED THAT DRIVER SIDE SEAT BELT FAILED AND THE SEAT LOOKED AS IF IT WERE POSITIONED INCORRECTLY AND UNBALANCED. WHEN THE CONTACT ATTEMPTED TO ADJUST THE SEAT, IT FAILED TO MOVE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER (INFINITI SUITLAND, 4800 BRANCH AVE, SUITLAND, MD, 20746) WHERE IT WAS DIAGNOSED THAT THE FRAME /LEVER FAILED AND THAT THE ENTIRE SEAT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER INFORMED THE CONTACT THAT THERE WAS NO RECALL AND THAT THE REPLACEMENT WOULD BE AN OUT OF POCKET EXPENSE. THE FAILURE MILEAGE WAS APPROXIMATELY 130,000.

NHTSA ID

11030323

Incident

Sep 14, 2017

Mileage

130,000 mi

THE TWO BRACKETS THAT SUPPORT THE SEAT BACK ON THE DRIVERS SEAT HAVE SNAPPED / SHEARED. THE SEAT BACK IS NO LONGER SUPPORTED AND THE SEAT BASE RAISING MECHANISM NO LONGER WORKS. THE PROBLEM STARTED ON THE RIGHT SIDE AND AFTER A COUPLE OF WEEKS THE LEFT SIDE FAILED.

NHTSA ID

11019947

Incident

Aug 26, 2017

Mileage

108,000 mi

A WELD BROKE ON THE DRIVERS SEAT BASE, THIS CAUSED THE SEAT TO LEAN TOWARDS THE CONSOLE AND AS THE SEAT WAS RAISED IT GOT WORSE. ALSO WHEN YOU GRABBED THE HEAD REST AND PUSHED IT TOWARDS THE FRONT OF THE CAR THE SEAL WOULD THEN LIFT UP. I BOUGHT A NEW SEAT BASE ( $ 1,000.00 + TAXES ) AND HAVE REPLACED THE BASE. I CANNOT SAY EXACTLY WHEN IT HAPPENED AS I LEFT THE CAR WITH MY BROTHER IN-LAW TO DRIVE WHILE I WAS ON HOLIDAYS AND NOTICED THE SEAT WAS SITTING CROOKED WHEN HE PICKED ME UP FROM THE AIRPORT. THE CAR HAS 70,132 MILES ON IT.

NHTSA ID

10916695

Incident

Sep 13, 2016

Mileage

70,132 mi

JUST PURCHASED THIS VEHICLE WITH JUST UNDER 53K MILEAGE, 1 OWNER AND SEEMED TO BE WELL KEPTED. WELL OF COURSE AFTER DRIVING THIS 2007 M35X (W/ BOSE & CLIMATE CONTROL WITH MEMORY CONTROL) AROUND, I NOTICED TO BE ADJUSTING MY BACK & BOTTOM MORE & MORE TO GET A COMFORTABLE POSITION WHILE DRIVING... WELL, COME TO FIND OUT, THE ENTIRE SEAT (MAINLY IT'S THE BOTTOM, BACK RIGHT) IS LEANING INTO THE CENTER CONSOLE! I CAN'T EVEN DRIVE THE DA*M THING FOR MORE THEN A FEW MINUTES BEFORE MY RIGHT BUTTCHEEK, SCIATIC NERVE AND LOWER RIGHT BACK START TO REALLY REALLY HURT AND ACHE! TO THE POINT WHERE I DON'T EVEN WANT TO DRIVE! ALSO, SEAT MOVES BACK N FORTH WHEN STOPPING/GOING! I CONTACTED DEALER WHERE PURCHASED (INFINITI OF SCOTTSDALE) & IT DOESN'T SEEM LIKE THEY'RE GOING TO BE ANY HELP UNLESS I PROBABLY FORK OVER 100S OF MY HARD EARNED MONEY! SALESMAN BLAMES IT ON BEING 9-10YR OLD CAR (I GUESS HE DOESN'T BELIEVE IN USED VEHICLES BUT WILL SELL THEM? NOR BELIEVES IN AN INFINITI PRODUCT WHERE HE WORKS!) I OFFERED FOR HIM TO DRIVE IT FOR 30MIN AND SEE HOW HIS BACK AND A$$ FEELS AFTER! (HAD NO REPLY). THIS IS AN ABSOLUTE SAFETY HAZARD AS WELL AS A HEALTH ISSUE ALSO! HOW CAN THE INFINITI MANUFACTURER DENY SO MANY COMPLAINTS WHEN THIS SEEMS TO BE A VERY BIG PROBLEM WITH THIS MODEL!? I CAN'T WAIT TIL I GET THIS ISSIE RESOLVED/FIXED BECAUSE IT SEEMS TO BE A DECENT CAR! OTHER THAN THIS VERY BIG ISSUE WITH THE MOST IMPORTANT SPOT IN THE ENTIRE CAR! THE DRIVER SEAT! IT'S ALMOST UNBELIEVABLE THAT AFTER READING UP ON HERE THAT THERE ARE SO MANY PEOPLE WITH THIS PROBLEM/ISSUE! DON'T BE AFRAID, POST A CLAIM IF THIS HAS HAPPENED OR IF YOU'RE DEALING WITH THIS ISSUE NOW! PLEASE! THIS NEEDS TO CATCH THERE ATTENTION! MAYBE I SHOULD SEND A CHIROPRACTOR & SURGERY BILL FOR THOUSANDS OF $$ BECAUSE THIS SEAT IS GOING TO CAUSE ME BIG BACK/THIGH/LEG PROBLEMS AS ITS ALREADY DOING! WILL TRY TO UPLOAD PICS

NHTSA ID

10855628

Incident

Apr 1, 2016

WHILE DRIVING ON A PARKWAY IN RUSH HOUR TRAFFIC THE DRIVERS SEAT SUDDENLY DROPPED, MAKING IT DIFFICULT TO SEE OVER THE STEERING WHEEL. I AM 6 FT. 1 IN. TALL. IT IS MY OPINION SOMEONE 5 FT. 8 IN. TALL WOULD NOT BE ABLE TO SEE OVER THE DASHBOARD. I TOOK THE VEHICLE TO THE INFINITI DEALER WHO DIAGNOSED THE PROBLEM AS A BROKEN LOWER SEAT TRACK WELD WHICH HAD TO BE REPLACED AT THE VEHICLE OWNERS COST OF $1,519. IT APPEARS THAT THERE HAS BEEN APPROXIMATELY 25 PREVIOUS REPORTS OF THIS TYPE OF PROBLEM AND PERHAPS MANY OTHERS THAT HAVE NOT BEEN REPORTED. IT SEEMS THAT THIS IS A SAFETY ISSUE AND SHOULD WARRANT A MANUFACTURERS RECALL.

NHTSA ID

10837313

Incident

Jan 13, 2016

Mileage

73,400 mi

AT APPROXIMATELY 100K MILES THE DRIVER'S SEAT BROKE AND LEANS INTO AND BINDS WITH THE CONSOLE. THERE WAS NOTHING BUT NORMAL USE AND JUDGING FROM OTHER ONLINE COMPLAINTS THIS IS APPARENTLY A COMMON PROBLEM. THE DRIVER'S SEAT IS NO LONGER STABLE OR SAFE BECAUSE IT CAN BE EASILY MOVED AROUND BY HAND. THIS SHOULD BE A SAFETY RECALL ISSUE. THIS IS A PROBLEM WHETHER STATIONARY OR IN MOTION.

NHTSA ID

10816761

Incident

Dec 29, 2015

Mileage

100,000 mi

TL* THE CONTACT OWNS A 2007 INFINITI M35. WHILE DRIVING 5 MPH, THE FRONT DRIVER SEAT FRACTURED OFF THE TRACKS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 117,000.

NHTSA ID

10811385

Incident

Dec 20, 2015

Mileage

117,000 mi

MY M35 (2007) DRIVER'S SEAT SUDDENLY IS "OFF TRACK". IT LOOKS LIKE IT'S STILL IN THE FLOOR TRACKS, BUT IT HAS MOVED ABOUT 3 INCHES TO THE RIGHT TO THE EXTENT THAT IT NOW RUBS ON THE CENTER CONSOLE EVERY TIME IT MOVES BACK AND FORTH. THERE IS NO LONGER A GAP BETWEEN THE SEAT AND THE CONSOLE, LIKE THERE IS ON THE PASSENGER SEAT. WHAT HAPPENED, AND WHAT DO I DO? IT ALSO MOVES FROM SIDE TO SIDE AND I CAN MOVE THE ENTIRE SEAT BY GRABBING THE HEADREST. THE SEAT MOVES WHEN THE CAR IS IN MOTION

NHTSA ID

10794470

Incident

Nov 1, 2015

Mileage

120,000 mi

AS I APPROACHED A STOP LIGHT I FELT THE VEHICLE SEAT MOVE FORWARD ON ITS OWN. SEEMS DETACHED FROM SEAT RAILS

NHTSA ID

10760119

Incident

Aug 28, 2015

Mileage

83,000 mi

WHILE DRIVING TO WORK AND PROCEEDING TO A STOP LIGHT MY SEAT JUST FEEL ON ONE SIDE AND TOOK A DIP. WHEN THIS HAPPENED IT DEFINITELY STARTLED ME. I DIDN'T KNOW WHAT TO DO AND COULD BARELY DRIVE. I WAS ABLE TO SAFELY GET TO MY DESTINATION, WHICH HAPPENED TO BE 2 MINUTES AWAY AT THAT POINT AND LOOK AT THE SEAT AND IT TURNED OUT TO BE NOTHING I CAN DO. NOW THE SEAT LIFTS AND DROPS ON ITS OWN.

NHTSA ID

10758720

Incident

Aug 24, 2015

Mileage

110,000 mi

TL* THE CONTACT OWNS A 2007 INFINITI M35. THE CONTACT STATED THAT WHILE ATTEMPTING TO ADJUST THE FRONT DRIVER SEAT, THE LEVER FAILED AND THE SEAT DID NOT MOVE. THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO A DEALER, WHERE IT WAS DIAGNOSED THAT THE SEAT WELD FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000. UPDATED 6/17/15*CN

NHTSA ID

10713211

Incident

Jul 15, 2013

Mileage

65,000 mi

WHILE DRIVING MY 2007 INFINITI M35X, THE DRIVER'S SIDE SEAT BACK BROKE LOOSE ON THE DOOR SIDE OF THE SEAT. AFTERWARD, IT MOVED AROUND AND I CONSIDERED IT UNSAFE TO DRIVE, NOT KNOWING HOW SEVERE THE PROBLEM WOULD BECOME. APPARENTLY, THIS IS A FAIRLY COMMON PROBLEM AS I HAVE SEEN MULTIPLE COMPLAINTS ONLINE ON BOTH THE 2007 AND 2006 MODELS OF THIS CAR. IT IS ON THE CUSTOMER TO PAY TO FIX THIS PROBLEM AS THE CAR WAS OUT OF WARRANTY COVERAGE. THE NET CHARGE TO FIX MY PROBLEM WAS $1,310.05. THIS IS A REAL SAFETY ISSUE AND COULD HAVE CAUSED A CALAMITY IF THE INCIDENT HAD OCCURRED AT SPEED ON THE HIGHWAY, A REAL POSSIBILITY AS I AM IN SALES AND USE THE CAR FOR MY JOB. *TR

NHTSA ID

10694723

Incident

Mar 2, 2015

Mileage

115,000 mi

DRIVER'S SEAT SLIDES FORWARD ABOUT 1/2 INCH WHEN BRAKING, THEN SLIDES BACK WHEN ACCELERATING. JUST BOUGHT THE CAR, EVERYTHING ELSE IS GOOD. NEVER EXPECTED A CHRONIC AND DANGEROUS SEAT PROBLEM LIKE THIS ON A HIGH END LUXURY VEHICLE. IT SEEMS MANY OTHER M35/45 OWNERS HAVE THE SAME PROBLEM. IT IS RIDICULOUS THERE IS NOT A RECALL FOR THE SAFETY HAZARD. *TR

NHTSA ID

10689880

Incident

Feb 8, 2015

Mileage

101,500 mi

BASICALLY, THE DRIVER'S SEAT MOVES FREELY WHEN SLAPPING THE BRAKES OR ACCELERATE. I ALSO HAVE CHECKED THE SEAT MOTOR BEFORE BECAUSE THE SEAT DOESN'T MOVE UPWARDS AND DOWNWARDS. THE TECHNICIAN TOLD ME THAT THE MOTOR WORKS BUT THE TRACK OF THE SEAT NEEDS TO BE FIXED. I LOOKED UP TO MANY COMPLAINTS ABOUT THE SAME PROBLEM. IT SEEMS A FACTORY DEFECT. PLEASE LET ME KNOW IF THIS IS A FACTORY DEFECT OR NOT. *TR

NHTSA ID

10684219

Incident

Feb 19, 2015

Mileage

175,200 mi

DRIVERS SIDE SEAT AND CONSOLE WAS TOUCHING. BEEN THAT WAY 2 WEEKS. TODAY , IT JUST COLLAPSED WHEN I SAT DOWN.WAS DARK, COULDN'T TELL WHAT WAS GOING ON WITH SEAT. I HAPPENED TO BE JUST GETTING INTO TO CAR AND START. IF I WOULD HAVE BEEN GOING FASTER, WITH TRAFFIC. .THIS COULD HAVE BEEN A WRECK OR SOMETHING BAD.WHEN IT COLLAPSED , SEAT JUST DROPPED DOWN QUICK! THIS IS OBVIOUSLY A PROBLEM WITH THESE MODEL OF INFINITIS.THIS IS A SERIOUS HAZARD.NEEDS RECALL! *TR

NHTSA ID

10652939

Incident

Nov 5, 2014

Mileage

156,000 mi

DRIVER SEAT COLLAPSE & DROPPED (PANCAKED) SUDDENLY & DRAMATICALLY DWHILE DRIVING. SCARY EXPERIENCE. *TR

NHTSA ID

10632733

Incident

Sep 4, 2013

Mileage

52,000 mi

DRIVER'S SEAT COLLAPSED AND CAME OFF TRACKS. SEAT IS NO LONGER ATTACHED TO THE FLOOR. DEFECTIVE WELDS (AS STATED BY INFINITI CERTIFIED DEALER SERVICE CENTER) HOLDING SEAT ASSEMBLY DETERMINED TO BE CAUSE. INFINITI DIAGNOSIS; SEAT TRACK BROKEN. REQUIRING REPLACEMENT OF FRONT ADJUSTER ASSEMBLY; PART # 87450-EH00A. COST OF PART $835.15. LABOR TO INSTALL; $399.36. THIS IS A NISSAN/INFINITI PROBLEM REPORTED PREVIOUSLY TO NHTSA ON NUMEROUS OCCASIONS. DEALER SERVICE DEPARTMENT STATS THAT WELD FAILURE CAUSES SEAT TO COLLAPSE. PROBLEM IS LONGSTANDING, WELL DOCUMENTED, AND KNOWN TO INFINITI. IN SPITE OF THIS, NO REMEDIATION, OTHER THAN REPAIR AT OWNER'S EXPENSE, HAS BEEN OFFERED BY INFINITI. THIS WELD FAILURE IS A SERIOUS SAFETY RELATED MATTER THAT IS NOT THE RESULT OF ABUSE, MAINTENANCE NEGLECT, OR OVERSTRESS TO SEAT OR SEAT ASSEMBLY. *TR

NHTSA ID

10616181

Incident

Jul 7, 2014

Mileage

72,000 mi