2024 Mazda CX-50 problems

Filed Nov 6, 2026 · Engine · AZ

Bought this car in May 2026 with about 15k miles. Today November 6th 2026 at the dealership I was told that the belt tensioner was loose. Searching online it looks like a widely known issue that Mazda apparently has known but has not fixed. This should not happen on a car with 18k miles. If the belt fails while driving it can put everyone in the car and around it in physical danger. Please look into this. In all fairness CardinaleWay Mazda is fixing the issue under warrenty, but the bigger issue is safety.

Filed Oct 15, 2026 · Driver assistance · CA

Front license plate in OEM factory location interferes with forward radar sensor, causing phantom automatic emergency braking events in moving traffic. Vehicle came to complete stop in active traffic lanes on multiple occasions, creating severe collision risk. Removing the plate (in violation of California law) restored normal sensor function.

Filed Oct 12, 2026 · Brakes, Driver assistance · CA

FORMAL VEHICLE SAFETY COMPLAINT Vehicle: 2024 Mazda CX-50 Subject: Repeated Unintended Emergency Braking, False Collision Warnings, and Persistent Braking-System Malfunction I am submitting a formal safety complaint concerning serious and recurring braking-system malfunctions involving my 2024 Mazda CX-50. The vehicle initially began displaying false collision and braking warnings despite there being no apparent hazard or obstruction. These warnings occurred repeatedly and eventually progressed to incidents in which the vehicle activated its automatic emergency braking system without justification. During one particularly dangerous incident, I was traveling approximately 75 mph on the freeway when the dashboard suddenly displayed a red braking warning and the vehicle automatically applied its brakes with extreme force. There was no apparent vehicle, pedestrian, or obstruction requiring emergency braking. The sudden and unexpected deceleration nearly resulted in a serious collision. These problems are not isolated. The vehicle continues to experience false collision alerts or unintended braking on an almost daily basis, even when no hazard is present. Additionally, the vehicle repeatedly displays the following warning: “Braking System Malfunction. Stop the Vehicle in a Safe Location.” This malfunction warning typically appears during morning operation and does not resolve simply by shutting off and restarting the vehicle. I have photographic documentation of the warning. Although the brake pedal generally feels normal during manual braking, the vehicle’s unexpected automatic braking is extremely forceful and creates a substantial danger to occupants and surrounding motorists. I am aware that Mazda issued Service Alert SA-007/24 concerning unintended Smart Brake Support operation involving certain Mazda vehicles, including the CX-50. I request that this information be considered when reviewing my complaint.

Filed Sep 11, 2026 · Tires · CA

Component Failed & Availability: Goodyear tire structure/tread separation and delamination across all four tires; technician states delamination, belt separation on all four tires, structural failure, tire separating from the internal belt structure (steel belts showing, chunks of tread missing); available for inspection. Safety Risk: Severe risk of sudden blowout, loss of vehicle control, and highway accident due to structural failure and internal belt separation. Dealer/Center Confirmation: Confirmed as a manufacturer defect by American Tire Company during a routine maintenance rotation on July 3, 2026 (fully documented by their shop). Inspections: Inspected and documented by American Tire Company; Goodyear management reviewed the documentation and refused full replacement under the guise of wear and mileage. Warning Lamps / Symptoms: No warning lamps; structural delamination and internal belt separation discovered during routine maintenance. Detailed Summary Description: On July 3, 2026, a routine maintenance rotation at American Tire Company revealed a dangerous structural failure across all four Goodyear tires. The technician states delamination, belt separation on all four tires, structural failure, tire separating from the internal belt structure, with chunks of tread missing and steel belts exposed. When the defect was submitted to Goodyear, July 6, 2026) they refused full warranty replacement, demanding $48.57 per tire under the guise of "wear and mileage." When escalation was requested, company supervisor representative stated there was no higher authority than the supervisor and admitted that internal complaints are dead-ended in their files and never forwarded or reviewed. This stonewalling on a dangerous manufacturing defect poses a severe public safety risk.

Filed Jul 21, 2026 · Electrical, Seats · WA

This is the 2nd time I’m reporting that I was severely burnt on my thigh from my drivers seat heater, overheating. There are on going glass action law suits against Mazda for this issue. My 2024 CX-50 has not been in service at Olympia Mazda with no updates on repairs and when I will get my car back. Please help me!

Filed Jul 16, 2026 · Electrical · MD

I'm curious how many other Mazda owners are dealing with the same battery drain issue. I'm now on my third battery since 2024: Factory battery replaced under warranty in 2025. Second replacement purchased in March 2026. Within a month, the "Battery Low - Drive Vehicle to Recharge" warning was back. The dealer kept my vehicle for four days to monitor it, but they couldn't find anything abnormal. This started long before I had a dashcam professionally installed, so that's not the cause. I've read numerous posts on Facebook from other owners mentioning: A door module that can get wet after heavy rain and cause a parasitic battery drain. The key fob constantly communicating with the vehicle when it's within about 20 feet, potentially contributing to battery drain. I mentioned the door module issue to my dealer, but they said they had never heard of it. At this point, it's becoming incredibly frustrating. A modern vehicle shouldn't be going through batteries like this, especially when the dealer can't identify the root cause. I started to document the times that my dashboard warning pops up that the battery is low.

Filed Jul 13, 2026 · Acceleration, Brakes · MI · crash

Driver of the vehicle was parking the vehicle in a parking lot, foot nowhere near the accelerator when the car suddenly surged forward striking a parking pole.. The driver side front quarter panel took on heavy damage along with the sensors.. Car had to be towed... It accelerated by itself...

Filed Apr 24, 2026 · Body · FL

I was attempting to mount my bike rack. To get the clips to properly fit I needed to partially open the liftgate. Upon triggering the door release the power liftgate and began opening the door. The anti pinch system did not detect the pinch and it crumpled the roof and liftgate at the seam. I tried to stop it but there was too much pressure and by the time it stopped lifting under my body weight significant damage had occurred. If a finger had been there it would have been chopped off.

Filed Mar 31, 2026 · Body, Electrical · CO · fire

Vehicle was dormant overnight and caught fire. Battery disintegrated and fire tore across the entire engine compartment and front end. Fire department conducted investigation and determined mechanical failure. Showed no signs of issue before hand was driven shortly the night before to move parking spots.

Filed Mar 16, 2026 · Transmission · TN

On 02/27/2026, a 2024 Mazda CX-50 (20700 miles) exhibited a severe burning smell following a 3-hour highway drive and a subsequent steep, 2-mile mountain climb to a restaurant in Jasper, TN. The smell was strongly observed by multiple occupants upon exiting the vehicle. On 03/02/2026, a technician at Mazda of Knoxville confirmed via video a 'flat grease ring' slung onto the undercarriage, indicative of a centrifugal lubricant leak from the driveshaft/CV assembly. The proximity of this flammable grease to the hot exhaust system during high-torque operation (mountain climbing) presents a critical fire hazard. Despite visual confirmation of the slinging grease, the dealership issued a blank service invoice, omitting the defect from the official record and returning the vehicle in an unsafe condition. This represents a documented safety defect being suppressed by the manufacturer, posing an unreasonable risk of vehicle fire or catastrophic driveline failure.