Home · 2014 Mercedes-benz CLA · Complaints

What 193 owners told NHTSA about the 2014 Mercedes-benz CLA

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 (193)Crash / fire / injury (10)Engine (68)Electrical system (47)Speed control (36)Transmission & drivetrain (23)Electronic Stability Control (esc) (20)Airbags (14)Body & structure (14)Fuel system (13)Visibility & wipers (11)Steering (8)

10 of 193 complaints match · crash/fire/injury only · clear filters

Mar 10, 2026AirbagsBody & structureEngineFire

The contact owns a 2014 Mercedes-Benz CLA-Class. The contact stated that upon approaching the vehicle, she discovered that the driver's side window was shattered. The sunroof was brown, and there was a hole in the dashboard showing the engine. The contact stated that the vehicle had caught fire; however, the fire extinguished on its own. There were no prior warning lights illuminated. There were no reported injuries, air bag deployment, or police report filed. The fire department responded and was present at the scene, and disconnected several wires. The local dealer was not contacted. The manufacturer was not notified of the failure. The failure mileage was unknown.

NHTSA ODI 11723215

Feb 11, 2024WheelsCrash

I was driving my 2014 Mercedes CLA 250 on [XXX] traveling away from Fairfax County and towards Prince William County on Christmas morning right before [XXX]. The front right passenger side wheel started shaking and then flew off. I brought the car to a stop on the left hand shoulder of the road on three wheels. My wheel hit the metal fence and then ricocheted back across to the left crossing both sides of traffic (four lanes), hitting a concrete wall and becoming airborne before landing in the stream below. It was sunny and there was no rain. Speed was 45 mph. Witnesses observed the incident and I have their contact information. A police report was filed. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11571315

Jul 24, 2022Fire

my son was driving it on highway and noticed smoke and fire from rear driver side. Thankfully he was able to get car on shoulder and the whole car lit up in flame. Firefighters and Police rescued them and there was no indication on what started this fire. Police has filed report as misc that it could be from car fuel line or such, there was no other problems with car and it has been services by Mercedes dealer all along.

NHTSA ODI 11475546

Aug 4, 2021SteeringBrakesCrash1 injury

Was driving on a road with 3 lanes .I was in the right lane was switching to middle when my stering and brakes just locked up I was not able to control the car I ended up all the way in the left lane crashed into a car and ended up on the divider

NHTSA ODI 11427684

Dec 4, 2020Electrical systemSeat belts1 injury

MY SON HAD TO BE CUT OUT OF THE SEAT BACK BECAUSE IT WAS TOO TIGHT AND WRAPPED AROUND HIM. THE SEATBELT STRAP WAS LOCKED AND WOULD NOT EXTEND OUT AT ALL TO LOOSEN FOR EXTRA LENGTH ON THE STRAP. THE SEATBELT STRAP WAS SO TIGHT MY SONS STOMACH WAS WAS CINCHED TO THE POINT WHERE HE COULDN'T BREATH. I'M NOT SURE WHY THE SUSPENSION ON THE STRAP WAS LOCKED EVERY OTHER SEATBELT HAD EXTENDED STRAP. THIS WAS A SCARY EXPERIENCE AND COULD HAVE SEVERELY HURT MY SON. THIS IS UNACCEPTABLE FOR THE PRICE I PAID FOR THIS VEHICLE AND NOT TO MENTION MY CHILD'S SAFETY. I DIDN'T TAKE ANY PICTURES OF THE STRAP AROUND MY SONS STOMACH BECAUSE HE WAS IN PAIN AND WAS FRANTICALLY TRYING TO GET IT LOOSE AND CUT. I HAVE PICTURES OF WHERE I HAD TO CUT THE SEATBELT. I ALSO HAVE A DEFECT WITH MY ELECTRICAL WHICH I CAUSING MY BATTERY TO DIE. THE CAR WILL STAY ON COMPLETELY WITHOUT THE KEY IN THE IGNITION OR STARTED. I HAVE VIDEO OF THAT AS WELL. THIS IS COMPLETELY RIDICULOUS FOR A LUXURY VEHICLE. MY MAIN CONCERN IS THE SAFETY OF MY PASSENGERS ANDY SON SIMPLY UNBUCKLING A SEATBELT AND GETTING STRAPPED IN BECAUSE THE SUSPENSION OF THE STRAP WOULD NOT LOOSEN AND WAS LOCKED IS UNACCEPTABLE. I TRIED EVERYTHING TO PUTTING THE CAR IN DRIVE PRESSING THE BRAKE TO SEE IT THE STRAP WOULD UNLOCK AND NOTHING WORKED. MY SON WAS IN PAIN BECAUSE OF THIS DEFECT O HAD TO CUT THE SEAT BELT STRAP OFF FRANTICALLY. THIS IS NOT OKAY!

NHTSA ODI 11377974

Jul 20, 2020Transmission & drivetrainEngineFuel systemCrash1 injury

ON THIS DAY, I WAS NEARLY KILLED IN MY 2014 MERCEDES CLA250 4MATIC THAT STALLED ON A HIGHWAY IN NEW YORK CITY. THE CAR HAS ROUGHLY 40,300 MILES ON THE ODOMETER. I WAS DRIVING ON THE BROOKLYN QUEENS EXPRESSWAY AT 4:00AM. THE CAR'S MOTOR STALLED AND THE CAR CAME TO A STOP IN THE LEFT LANE. THERE WERE NO SHOULDERS. I ATTEMPTED TO GET THE CAR RESTARTED BUT ALL I GOT WERE FLASHING DASHBOARD LIGHTS. I ATTEMPTED TO PUT UP A WARNING TRIANGLE TO THE REAR OF THE CAR, BUT THE TRAFFIC WAS MOVING TOO QUICKLY FOR ME TO SAFELY DO THAT. I SAT IN MY CAR AND BUCKLED MY SEAT BELT. I CALLED 911 TO ANNOUNCE MY EMERGENCY AND I CONTACTED MY CAR'S INSURER FOR A TOW TRUCK (THEY PROVIDE SUCH A SERVICE). WITHIN MOMENTS, A TOYOTA WITH TLC PLATES SMASHED INTO MY CAR SENDING ME INTO THE BARRIER. THE REAR OF THE CAR WAS BROKEN AND DEFORMED. THE FRONT OF THE CAR IS OKAY, BUT THE APPEARANCE OF THE REAR IS SUCH THAT I BELIEVE I LOST MY CAR. I READ ONLINE THAT THIS MODEL HAS A STALLING PROBLEM AND THAT OTHERS HAVE GONE THROUGH THIS. I WAS ONE OF THE UNLUCKY OWNERS AND I WILL BE SUING. THIS CAR'S AIRBAGS DID NOT DEPLOY AND I AM INJURED AND BEING TREATED IN A HOSPITAL.

NHTSA ODI 11340450

Apr 10, 2020Electrical systemBody & structureFire

LAST WEEK ON MARCH 31ST I WENT TO TURN MY VEHICLE ON SINCE I WANTED TO MOVE IT FROM MY PARKING SPOT IN THE NEIGHBORHOOD TO MY GARAGE IN ORDER FOR ME TO GO TO THE GROCERY STORE SHORTLY WITH MY 2 MONTH OLD BABY. AS SOON AS I PUT THE KEY IN THE INGNITION SLOT AND TURN THE KEY I HEARD LIKE A ZAPPING NOISE INSTANTLY AND NOTICED IN A MATTER OF SECONDS SMOKE COMING FROM UNDERNEATH THE STEERING WHEEL AREA. SORT OF NEAR THE FLOOR OS THE DRIVERS SIDE. I IMMEDIATELY HOP OUT OF THE VEHICLE TO SEE WHAT HAD HAPPENED AND WHERE THE SMOKE WAS COMING FROM AND JUST AS QUICKLY FLAMES STARTED COMING FROM THE SAME AREA AS THE SMOKE. I CALLED 911 AND IN LESS THAN 3 MINUTES THE ENTIRE INSIDE OF THE VEHICLE WAS IN FLAMES, BURNING DOWN. THE FLAMES THEN BLEW ALL THE WINDOWS AND MOON ROOF TRYING TO ESCAPE THE VEHICLE AND BY THE TIME THE FIRE RESCUE CAME MOST OF THE VEHICLE WAS GONE. I THANK GOD I DIDNT GET TO MOVE THIS VEHICLE AS I HAD ORIGINIALLY PLANNED BECAUSE IT WOULD HAVE COST ME MY LIFE AND MY FAMILIES. I OWNED THIS VEHICLE ONLY ABOUT 3 YEARS AND IT NEVER EVER GAVE ME PROBLEMS. ALL OF ITS MAINTANANCE WAS UP TO DATE AND NEVER HAD ANY ELECTRICAL ISSUES OR MAJOR REPAIRS DUE TO ANYTHING. I AM ALMOST CERTAIN THIS WAS A FUSE OR ELECTRICAL PROBLEM THAT CAUSED THE VEHICLE TO BURST INTO FLAMES DUE TO THE ZAPPING NOISE I HEARD AS THE VEHICLE WAS BEING TURNED ON. I HAD BEEN DRIVING THIS VEHICLE PERFECTLY FINE WHICH IS WHY THIS CAME AS A HUGE SURPRISE. I WANT TO MAKE SURE OTHERS ARE AWARE OF THIS ISSUE SINCE ITS A HUGE RISK. MY SPECIFIC VEHICLE HAS NEVER HAD ANY RECALLS AND IM ALWAYS CHECKING AND UP TO DATE WITH EVERYTHING. I WILL BE CONTACTING THE MERCEDES BENZ MANUFACTURING COMPANY TO LET THEM KNOW OF THIS AS WELL.

NHTSA ODI 11320777

May 18, 2018Visibility & wipersBody & structure1 injury

I WAS DRIVING MY CAR ON LOCAL STREETS, SUDDENLY I HEARD A CRACKING NOISE FROM THE SUNROOF. AFTER THAT I PULLED MY CAR ASIDE AND NOTICE THAT THERE WAS A SMALL CRACK ON THE SUNROOF. (SEE ATTACHED PHOTOS) THERE WAS NO FALLING FOREIGN OBJECTS, NO IMPACT FROM THE WEATHER. I HAVE NO CLUE WHAT IS THE CAUSE OF THE DAY CRACK. MY FIRST REACTION WAS TO CALL THE INSURANCE COMPANY AND FIND A PARKING LOT TO STORE THE CAR. AFTER I CONTACTED THE INSURANCE COMPANY AND I WAS ON MY WAY TO THE PARKING LOT, THE SUNROOF SHATTERED COMPLETELY. SOME OF THE GLASS PIECE EVEN FELL AND CAUSED INJURY TO MY WIFE. THIS WAS DEFINITELY A MANUFACTURE DEFECT BECAUSE THERE WAS NO IMPACT FROM THE OUTSIDE AT THAT TIME AND YOU CAN ALSO CLEARLY TELL FROM THE PICTURE OF THE CRACK. IT IS NOT CAUSED BY ANY FALLEN FOREIGN OBJECT. I WAS NOT ABLE TO DRIVE THE CAR ANYMORE AT THE RISK OF MY FAMILY'S INJURY SO I CALLED THE MB ROADSIDE ASSISTANCE TO HAVE THE CAR TOLLED. THE SHATTERED SUNROOF NOT ONLY CAUSE DIVERSION OF THE DRIVER'S ATTENTION AND ALSO CAUSE BODY INJURY FROM THE FALLEN GLASS PIECES. MERCEDES IS NOT RESPONDING TO THE COMPLAIN. DEALER IS TAKING THE RESPONSIBILITY ON THIS ISSUE AND CHARGE ME $2,400 TO REPAIR THE SUNROOF. I DID A SEARCH ON INTERNET AND I NOTICED THAT SIMILAR CASES ARE WIDELY SEEN WORLDWIDE, SEE BELOW LINKS TO RECENT INCIDENTS IN CALIFORNIA AND UK. HTTPS://TWITTER.COM/RED_DEVIL718/STATUS/979365018843172865 HTTPS://WWW.CARCOMPLAINTS.COM/NEWS/2018/MERCEDES-BENZ-SUNROOF-SHATTERED.SHTML (CALIFORNIA CLASS ACTION LAWSUIT ON GLA) HTTPS://TWITTER.COM/SRINIVAS_KAMATH/STATUS/814467425190100992 ONE OF THE RECENT CASE EVEN CAUSED INJURY TO A DRIVER WHO IS A PILOT. HE BOUGHT THE CASE TO THE COURT IN CALIFORNIA. I REALLY THINK MERCEDES SHOULD BE RESPONSIBLE FOR THIS ISSUE AND EVALUATE THE RISK, CONSIDER A RECALL SINCE THIS IS NOT AN UNCOMMON CASE.

NHTSA ODI 11096760

Feb 6, 20181 injury

EARLY AFTERNOON WHILE JUST DRIVING OFF AN EXIT IN TN. MY SUNROOF EXPLODED CAUSING SHARDS OF GLASS TO FLY INTO MY CAR. I HAD MINOR CUTS ON MY LOWER BACK AND ARM FROM THE GLASS COVERING ME WHILE DRIVING. I WAS ABLE TO SAFELY PULL OVER TO ASSESS WHAT HAPPEN BECAUSE MY INITIAL THOUGHT WAS THAT SOMEONE WAS SHOOTING AT ME. THE DEALERSHIP IS NOT CLAIMING ANY RESPONSIBILITY FOR THIS DEFECT . THERE WERE NO OTHER CARS AROUND SO THE DAMAGED COULD NOT HAVE BEEN CAUSED BY A ROCK OR FALLING OBJECT.

NHTSA ODI 11067174

Feb 2, 2017Electrical systemSpeed controlElectronic Stability Control (esc)Crash1 injury

PURCHASED A MERCEDES CLA 250C, AND HAVE HAD IT BECAME INOPERATIVE WHILE DRIVING ON THE BELTWAY IN WASHINGTON D.C. TRAFFIC, AND MORE RECENTLY ON THE I-5 IN SAN DIEGO ON 1/21/2017 DURING RAIN AT SPEEDS OF 60+ MPH IN HEAVY TRAFFIC. THE VEHICLE DECELERATED QUICKLY AND LOST SPEED. THE CONSOLE POPPED UP FLASHING MESSAGE 'PRE-SAFE FUNCTIONS LIMITED' ON THE CONSOLE. THE VEHICLE DID NOT RESPOND TO ACCELERATOR. AFTER COASTING TO THE RIGHT SHOULDER I WAS HIT, BY A PASSING CAR, AND THE MOTORIST KEPT ON GOING.THIS HAD HAPPENED ABOUT 10 TIME, AND I BOUGHT THE VEHICLE NEW. MERCEDES AWARE, YET THEY WOULD NOT DO ANYTHING BECAUSE THEY SAID IF THE ENGINE LIGHT IS NOT ON WE CANT DIAGNOSE IT. *TR

NHTSA ODI 10948978

Working with the data? Download all 193 complaints as CSV · fetched from NHTSA July 19, 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 2014 Mercedes-benz CLA verdict →