2015 Porsche Macan S

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.

Odometer Fraud. The contact purchased a 2015 Porsche Macan S. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 69,800. It was later discovered that the mileage on the Title was 70,000.

NHTSA ID

11682888

Incident

Aug 22, 2025

Mileage

70,000 mi

The contact owns a 2015 Porsche Macan S. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that the brake pedal was depressed to the floorboard. The contact stated that the parking brake was used to stop the vehicle. The vehicle was towed to the dealer where it was diagnosed with hydraulic brake fluid line failure. The contact was informed that the hydraulic brake fluid line needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 63,600.

NHTSA ID

11608091

Incident

Aug 1, 2024

Mileage

63,600 mi

The contact owns a 2015 Porsche Macan S. The contact received notification of NHTSA Campaign Number: 22V656000 (Exterior Lighting) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact called various local dealers who confirmed that parts were not yet available for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ID

11492921

Incident

Sep 14, 2022

The contact owns a 2015 Porsche Macan S. The contact received notification of NHTSA Campaign Number: 21V131000 (Air Bags) however, the part to do the recall repair was unavailable. The contact called the local dealer who stated that parts were not yet available for the recall repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the issue. The failure mileage was approximately 73,000. The VIN was not available. Parts distribution disconnect.

NHTSA ID

11439965

Incident

Nov 8, 2021

Mileage

73,000 mi

MY WIFE RECENTLY HAD A VERY TERRIFYING EXPERIENCE WHILE DRIVING HOME IN OUR 2015 MACAN S THIS PAST WEEKEND. AFTER RUNNING ERRANDS, SHE WAS DRIVING HOME AND THE BRAKES FAILED ON OUR MACAN. THERE WAS NO PRESSURE IN THE BRAKE LINES AND THE BRAKE PEDAL HAD TO BE PUSHED TO THE FLOOR IN ORDER TO JUST SLOW DOWN, NOT EVEN STOP. THERE WERE NO WARNING LIGHTS OR INDICATORS THAT CAME ON BEFORE THIS ISSUE HAPPENED. LUCKILY, SHE WAS ALONE IN THE CAR WITH NO ONE ON THE ROAD AND ONLY TRAVELING ON LOCAL ROADS, GOING AROUND 25 MPH WHEN THIS HAPPENED. IF SHE WAS ON THE HIGHWAY, THIS WOULD HAVE BEEN A VERY DIFFERENT SITUATION ESPECIALLY IF OUR 3YR OLD WAS IN THE CAR. I HAD THE CAR TOWED TO A LOCAL PORSCHE DEALERSHIP TO HAVE THEM REVIEW WHAT CAUSED THIS FAILURE AS THE CAR WAS UNDRIVEABLE. AFTER THE TECHNICIAN REVIEWED THE CAR, THEY SENT ME A VIDEO SHOWING THAT THE BRAKE LINE WAS BEING PINCHED OR SOMEHOW RUBBING AGAINST WHAT LOOKS LIKE THE BOLT HOLDING THE FRONT PASSENGER SHOCK. I THOUGHT THAT MAYBE A CLIP HAD POPPED CAUSING THE HOSE TO COME LOOSE BUT I DID SOME RESEARCH AND FOUND THAT THERE IS NO CLIP HOLDING THE LINE IN PLACE. THE LINE LOOKS TAUGHT ENOUGH WHERE IT SHOULD NOT RUB AGAINST ANYTHING BUT HAS ENOUGH SLACK TO ALLOW THE WHEEL TO TURN LEFT AND RIGHT. IF THIS IS TRUE, HOW COULD THE LINE HAVE BEEN PINCHED OR IS THIS A VERY SERIOUS DESIGN FLAW THAT ALLOWS THE BRAKE LINE TO RUB AND WEAR AGAINST THE SHOCK BOLT? OR IS THE ISSUE SIMPLY A FAULTY BRAKE LINE WHICH SHOULD NOT HAVE HAPPENED TO AN ALMOST 4YR OLD CAR WITH LESS THAN 100K MILES. I'VE ALSO REACHED OUT TO THE DEALERSHIP AND PORSCHE USA ABOUT THIS ISSUE.

NHTSA ID

11203676

Incident

Apr 20, 2019

Mileage

71,000 mi

I OWN A 2015 PORSCHE MACAN S. ON 20TH JANUARY 2019, TO MY SHOCK MY CAR'S BRAKES FAILED DURING MY DRIVE FROM NY TO NJ. THERE WERE NO WARNING INDICATORS ON THE CONSOLE BUT THE BRAKE PEDAL STARTED SLIDING TO THE FLOOR WITH NO RESISTANCE. I WAS REALLY LUCKY THAT THIS HAPPENED JUST AFTER I HAD GOTTEN OFF THE HIGHWAY AND HAD PULLED UP INTO A MALL PARKING LOT. PORSCHE ROADSIDE ASSISTANCE TOWED THE CAR TO AN AUTHORIZED DEALER. THE SERVICE TEAM FOUND THE DRIVER'S SIDE FRONT BRAKE LINING HAD SLIT. IN SEPTEMBER 2019, PORSCHE SERVICE IN LARCHMONT HAD PERFORMED BRAKE FLUID FLUSH AND REPLACEMENT, AND ALSO REPLACED BRAKE DISC, BRAKE PAD AND ROTORS. THE PORSCHE SERVICE TEAM IN NJ WHILE NOT YET CERTAIN BELIEVES THE PREVIOUS SERVICE WORK MIGHT HAVE BEEN NEGLIGENT/FAULTY THAT LED TO SUCH A POTENTIALLY CATASTROPHIC FAILURE WITH THE BRAKES. I HAVE WRITTEN TO PORSCHE USA AND GERMANY AND YET TO HEAR BACK FROM THEM ON THEIR PLAN OF ACTION FOR INVESTIGATION, AND CORRECTIVE ACTION. I HOPE THERE IS SOME IMMEDIATE ACTION TAKEN TO MAKE SURE THIS DOES NOT HAPPEN IN OTHER PORSCHE CARS AND MORE IMPORTANTLY OTHER PORSCHE DRIVERS DO NOT HAVE TO GO THROUGH SUCH A TRAUMATIC EXPERIENCE.

NHTSA ID

11171689

Incident

Jan 20, 2019

A LEAKING SUNROOF CAUSED WATER TO ENTER AND SOAK THE CARPET IN THE REAR AND FRONT PASSENGER AREA. THE DEALER BELIEVES THIS IS DUE TO A DESIGN DEFECT IN THE DRAIN LINES THAT RUN FROM THE SUNROOF.

NHTSA ID

11132346

Incident

May 1, 2018

Mileage

28,000 mi

VEHICLE WENT OUT OF CONTROL WHEN DESCENDING THROUGH A MULTI-FLOOR PARKING GARAGE AT NORMAL SLOW SPEED. IT APPEARED TO BE UNINTENDED/UNCONTROLLED ACCELERATION. THE VEHICLE CRASHED INTO THE GARAGE WALL, CAUSING THE WALL PANEL TO COME APART FROM THE STRUCTURE AND CAUSING VERY EXTENSIVE DAMAGE TO THE VEHICLE, WHICH WAS DEEMED TOTALED BY THE INSURANCE COMPANY. THE AIRBAGS DEPLOYED AS THEY SHOULD HAVE, WHICH PROTECTED THE DRIVER FROM SERIOUS INJURY.

NHTSA ID

10839950

Incident

Oct 16, 2015

Mileage

6,000 mi

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