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What 57 owners told NHTSA about the 2015 Volvo S60 B5

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (57)Crash / fire / injury (5)Engine (22)Electrical system (9)Brakes (5)Transmission & drivetrain (5)Fuel system (4)Body & structure (3)Driver assistance (3)Engine & cooling (3)Wheels (3)Airbags (2)

5 of 57 complaints match · Brakes · clear filters

Jun 9, 2023Brakes

The contact owns a 2015 Volvo S60. The contact stated while driving 20 MPH, the brake pedal was depressed however, the vehicle failed to stop until the brake pedal had gone to the floorboard. There was no warning light illuminated. The vehicle was taken to the dealer, but no failure was found. The contact stated that the failure had occurred several times. The contact stated that the vehicle was test driven by the mechanic however, the cause of the failure was not yet determined. The manufacturer was made aware of the failure and no assistance was offered. The failure mileage was approximately 14,000.

NHTSA ODI 11526285

Apr 28, 2023Speed controlBrakes

The contact owns a 2015 Volvo S60. The contact stated while driving approximately 15 MPH and slowing down for a crosswalk with pedestrians in the crosswalk, the vehicle independently accelerated while depressing the brake pedal. The contact stated that she had not noticed any warning lights being illuminated. The contact stated that the failure was intermittent. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the failure could not be duplicated. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 15,000.

NHTSA ODI 11519475

Mar 19, 2023Brakes

Brake lines blew open while driving

NHTSA ODI 11512685

Jan 22, 2018Brakes

THIS IS AN ADDITIONAL COMPLAINT REGARDING THE SAME VEHICLE BRAKE PROBLEM FILED UNDER NHTSA SAFETY ISSUE ID 10979689. ON 15 DEC THE SAME VOLVO FAILED TO STOP AT A RED LIGHT ON A CITY STREET IN DRY PAVEMENT CONDITIONS. THE ONLY WAY TO STOP THE VEHICLE WHILE TRAVELING AT APPROXIMATELY 35 MPH WAS BY CONTINUING TO HOLD THE BRAKE PEDAL ALL THE WAY DOWN AND THEN SLAMMING THE GEARSHIFT FROM DRIVE INTO PARK. THE VEHICLE WAS SUBSEQUENTLY TOWED BACK TO THE LOCAL DEALER. WHEN THIS VEHICLE WAS AT THE DEALER THEY DRAINED THE BRAKE LINES AND CHANGED THE MASTER BRAKE CYLINDER BASED ON THIS FIX REPORTEDLY WORKING ON ANOTHER S60 WITH THE SAME PROBLEM ACCORDING TO VOLVO TECH SUPPORT. AFTER EIGHT MONTHS THE BRAKES FAILED AGAIN. VOLVO HAS A BRAKING PROBLEM ON THESE VEHICLES AND DOES NOT NO THE CAUSE NOR THE CORRECTIVE ACRION.

NHTSA ODI 11064240

Apr 20, 2017Brakes

BRAKES FAILED TO STOP THE CAR ON THREE OCCASSIONS. BRAKES WOULD SLOW THE CAR DOWN;HOWEVER, THE BRAKE PEDAL WAS PUSHED ALL THE WAY DOWN AND THE CAR WAS STILL ROLLING. FIRST TWO FAILURES OCCURRED CONSECUTIVELY. HAD TO SHIFT THE CAR INTO PARK FIRST TIME; SECOND TIME HAD TO PUT THE EMERGENCY BRAKE ON. THIRD OCCASION WAS AFTER TAKING THE VEHICLE INTO VOLVO DEALER IN CHICAGO AND GETTING IT BACK WITH NO REPAIRS COMPLETED BECAUSE COMPUTER DIDNT REGISTER A PROBLEM. THIRD OCCASION WAS FOUR DAYS LATER; CAR WAS SLOWING DOWN BUT WOULDN'T STOP. FORTUNATELY TRAFFIC STARTED TO MOVE AGAIN BEFORE I HAD TO SHIFT THE VEHICLE INTO PARK. FIRST INCIDENT INVOLVED PEDESTRIAN CROSSING THE STREET, LAST INCIDENT INVOLVED ANOTHER VEHICLE. ALL THREE INCIDENTS WERE ON CITY STREETS. TOOK VEHICLE INTO SECOND DEALER IN DETROIT. THEY CONTACTED VOLVO TECH SUPPORT. VOLVO SUPPORT RECOMMENDED CHANGING MASTER BRAKE CYLINDER AND DRAINING BRAKES LINES. APPARENTLY THIS SAME PROBLEM OCCURRED ON ANOTHER S60 AND THIS FIX WORKED. THE DETROIT DEALER DID THE RCOMMENDED REPAIR AND SO FAR VEHICLE IS OK. HOWEVER WE ARE CONCERNED ABOUT OUR SAFETY..NOT BEING ABLE TO STOP THE VEHICLE ON THREE PREVIOUS OCCASIONS IS UNSAFE FOR US AND OTHER MOTORISTS/PEDESTRIANS. WE ARE NOT TOTALLY CONFIDENT THAT THE VEHICLE WILL BE ABLE TO COME TO A COMPLETE STOP 100% OF THE TIME IN THE FUTURE.

NHTSA ODI 10979689

Working with the data? Download all 57 complaints as CSV · fetched from NHTSA July 14, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Volvo S60 B5 verdict →