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What 302 owners told NHTSA about the 2014 Mercedes-benz E-class Cabrio

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 (302)Crash / fire / injury (27)Airbags (58)Brakes (53)Electrical system (41)Fuel system (37)Suspension (30)Steering (29)Body & structure (26)Engine (23)Transmission & drivetrain (16)Wheels (11)

Newest first · 302 complaints · page 11 of 13

Mar 22, 2018Seats

THE MB-TEX UPHOLSTERY HAS A 10 INCH TEAR ALONG THE "SEAM" OF THE UPHOLSTERY ON THE DRIVER'S SEAT NEAR THE CENTER OF THE SEAT. ON FURTHER RESEARCH, THIS IS AN EXTREMELY COMMON PROBLEM RELATED TO MERCEDES WITH MB-TEX (NOT SIMPLY THIS YEAR AND MODEL).

NHTSA ODI 11080891

Mar 5, 2018Airbags

I HAVE RECEIVED NOTICE TO REPLACE A DEFECTIVE AIRBAG. NOT A SINGLE DEALERSHIP IN GA HAS ONE TO REPLACE IT WITH.

NHTSA ODI 11076363

Feb 7, 2018SteeringAirbags

TAKATA AIRBAGS: WARNING LIGHTS CONSTANTLY COME ON AND GO OFF INDICATING: "PASSENGER AIRBAG INOPERATIVE" & STEERING COLUMN MODULE GROUND: RECALL NOTICE GIVE, BUT NO PARTS AVAILABLE TO FIX - THIS IS NOT ACCEPTABLE

NHTSA ODI 11071564

Oct 20, 2017Airbags

NO REMEDY TO REPLACE DANGEROUS AIR BAGS. I LIVE IN HIGH HUMIDITY STATE OF FLORIDA WHICH PUTS ME AT HIGHER RISK.

NHTSA ODI 11035152

Sep 19, 2017Electrical system

I SAW "POWER STEERING MALFUNCTION" LIGHT APPEARED AND MY POWER STEERING STOP WORKING IMMEDIATELY. THE CAR WAS IN DRIVABLE CONDITION AND I HAD TO MAKE ONLY ONE RIGHT TURN TO REACH HOME. THIS HAS HAPPENED WHEN MILEAGE ON MY CAR WAS 30509 WELL BELOW 50,000-MILE WARRANTY. EARLIER YEAR AGO, I BOUGHT THE CAR WITH SALVAGE LICENSE. SALVAGE LICENSE WAS ISSUED AS CAR WAS STOLEN AND INSURNACE COMPANY WAS NOT ABLE TO RECOVER. IT WAS RECOVERED AFTER THAT WITHOUT ANY DAMAGE.NO ACCIDENT TO THE CAR. MB HAS VOIDED THE WARRANTY DUE TO SALVAGE LICENSE. I WANT TO BRING TO YOUR ATTENTION (IRRESPECTIVE OF TYPE OF TITLE) AS INHERENT PROBLEM EXIST.

NHTSA ODI 11024275

Jul 24, 2017AirbagsSeats

HELLO, I AM WRITING IN CONCERNS FOR MY AIR BAG SAFETY ISSUES. MY LIGHT HAVE BEEN ON STATING THAT THERE IS A ISSUE WITH THE FRONT LEFT PANEL AIRBAG AND I INFORM NY DEALERSHIP OF THE LETTER I RECEIVED AND I WAS TOLD THAT I NEED MORE INFORMATION IN ORDER FOR THEM TO COVER THE COST TO REPAIR. PLEASE ADVISE. ALSO MY FRONT DRIVERS SEAT KEEP CRACKING. I HAVE HAD THE SPLITS REPAIRED TWICE AND NOW OTHERS HAVE APPEARED.

NHTSA ODI 11010311

Jul 24, 2017Wheels

THE VEHICLE WAS BOUGHT USED WITH 10000 MILES IT NOW HAS APPROX 25000 SO IN 15000 I'VE HAD 6 TIRES CHANGED ON THE VEHICLES DO TO FLATS. IN ONE OF THE INSTANCE I GOT A DOUBLE FLAT AT THE SAME TIME AND SINCE THE TIRES ARE NEW ON THE VEHICLE I UNFORTUNATELY HAD TO REPLACE THE TIRES WITH THE SAME TIRES. THESE TIRE GO FLAT AT A BLINK THE SIDE WALLS ARE THIN AND GET SLICED EASLY THE TREAD PART OF THE TIRE GETS PUNCTUED EASILY AND OFTEN THE REPAIR SHOP TELLS YOU THAT THE FLATS HAVE DAMAGE THE TIRES AND CANNOT BE REPAIRED SO YOU HAVE TO BUY A NEW ONE @$275.00. I HAVE NEVER OWNED A VEHICLE THAT HAS HAD THIS MANY TIRE PROBLEMS. I BELIEVE THESE TIRES ARE DEFECTIVE AND ARE GOING TO CAUSE AN ACCIDENT BECAUSE THEY ARE EASILY DAMAGED. THERE ARE ALSO SEVERAL COMPLAINTS ONLINE ABOUT THESE TIRES AND CONTINENTAL NOT EVEN ACKNOWLEGING PEOPLES COMPLAINTS, SOME ONE NEEDS TO CHECK THESE OUT.

NHTSA ODI 11010389

Jul 9, 2017Visibility & wipers

MY VEHICLE HAS THE DISTRONIC WITH LANE SENSING. THE OTHER DAY, THE AREA OF THE FRONT WINDSHIELD AROUND THE CAMERAS SPONTANEOUSLY BEGAN TO CRACK IN A CIRCULAR MANNER. NO OTHER CHIPS OR DINGS WERE PRESENT. WHEN I RESEARCHED THIS ISSUE ONLINE, I AM FINDING IT TO BE A VERY COMMON ISSUE. IT APPEARS IT CAN HAPPEN AT ANY TIME AND WITH REPLACEMENT GLASS AS WELL. MINE CRACKED ON A 95 DEGREE F DAY IN SOUTHERN CALIFORNIA.

NHTSA ODI 11003928

Jun 27, 2017Body & structure3 injuries

THIS VEHICLE IS. A 2014 MERCEDES BENZ E350 CABRIOLET ON THIS VECHILE THERE IS A LATCH ON FRONT SEATS THAT IF PULLED FORWARD WILL MAKE WAY TO ENTER REAR SEATS BEING THAT IDLY IS A TWO DOOR CAR THIS IS THE SAME LAY OUT FOR ACCESSING BACK SEATS FOR THE COUPE MODEL THE LATCH THAT MUST BE PULLED IS SOME KIND OF PLASTIC COVERED IN SOME KIND OF METAL. DECORATIVE MATERIAL THIS METAL HAS PEELED OF WITH NO CAUSE HE EDGES OF THIS METAL THAT IS DEFECTIVE ON THESE CARS IS EXTREMELY SHARP WE HAVE SEVERELY CUT ARE HANDS WITH OUT REALIZING THESE DEFECT WAS THERE I WAS INFORMED THAT OTHER CARS ALSO HAVE THESE PROBLEM IT IS A MAJOR SAFETY RISK BECAUSE IT IS A PART OF THE VEHICLE YOU MUST PHYSICALLY GRAB WITH YOUR HANDS TO HAVE BACK SEAT ACCESS THIS PATCH IS VERY DANGEROUSE PLEASE BE CARFULL IT CAN APPEAR OUT OF NO WHERE LIKE IT HAPPENED TO US EVERY THING WAS OK THEN THE METAL COATING JUST BECAME DEFECTIVE AND PEELING OF ON ITS OWN PS I HAVE BEEN TOLD FROM SERVICE ADVISORS THEY HAVE SEEN THIS BEFORE AND OTHER PEOPLE HAVE BEEN INJURED THE BROWN STUFF ON THE LATCH IS BANDAIDS WE PLACED THERE SO OUR CHILDREN DON'T GET INJURED FROM THE METAL

NHTSA ODI 11001831

Jun 3, 2017Brakes

ROTORS FAIL AFTER VEHICLE WAS IDLE FOR 12 WEEKS. RUST CAUSED THE ROTORS TO MAKE BRAKES PULSATE. DEALER WOULD NOT HONOR WARRANTY, AND MAINTAINED THAT THE ROTORS WERE WEAR AND TEAR ITEMS. BUT SHOP FOREMAN INFORMED ME THAT THIS HAS BEEN A PROBLEM FOR THE LAST TEN YEARS AND THAT THEY REPLACE ROTORS OF VEHICLES ON THE LOT WHICH HAVE SAT FOR SEVERAL WEEKS IN THE WINTER. UPON MY INSPECTION OF THE ROTORS IT WAS CLEAR TO SEE THAT THE RUST DID INDEED CAUSE THE SURFACE OF THE ROTORS TO SCORE AND DEFORM.

NHTSA ODI 10993028

Apr 14, 2017Fire

DRIVER SIDE DOOR STARTED TO SMELL OF FIRE ON 4/10/2017 @ APPROXIMATELY 1600 LESS THAN 1/4 MILE FROM HOME. PULLED CAR INTO DRIVE AND SHUT ENGINE DOWN, IMMEDIATELY CONTACTED MERCEDES-BENZ OF TAMPA. REP ASKED ME TO BRING CAR IN TO SERVICE DEPT. DID SO.

NHTSA ODI 10978559

Apr 10, 2017Steering

MY ELECTRICAL POWER STEERING STOP WORKING WHILE I WAS DRIVING. ON DASH"POWER STEERING MALFUNCTION-CHECK USER'S MANUAL" I WAS ABOUT GET CRASH, LUCKLY . PULLED OVER SAFELY. BARELY CAN TURN THE POWER STEERING. I TRY TO DRIVE NEXT DAY,STILL NOT WORKING.

NHTSA ODI 10971543

Mar 18, 2017Steering

THE POWER STEERING STOPPED FUNCTIONING SUDDENLY WHILE DRIVING AND I WAS UNABLE TO MAKE A TURN EXCEPT BY SUBSTANTIAL MANUAL FORCE. FORTUNATELY I WAS NOT ON A HIGHWAY AND AT 20/25 MPH ABLE TO PULL IMMEDIATELY OFF THE ROAD. THE DEALER REPAIRED IT AND SAID THAT IT WAS A COMPUTER SYSTEM ISSUE AND THAT THEY WERE AWARE OF IT BUT HAD NOT NOTIFIED CUSTOMERS. AND APPARENTLY THEY HAVEN'T DONE SO YET OR NOTIFIED THE NTSB BECAUSE NOTHING SHOWS ON THIS WEBSITE. THE OCCURRED OVER 6 MONTHS AGO SO I AM SHOCKED THAT IT HASN'T BEEN DEALT WITH.

NHTSA ODI 10966688

Feb 23, 2017Seats

THE PASSENGER SEAT HAD BEEN MOVED FORWARD USING THE LEVER OR HANDLE ON THE UPPER SEAT BACK SIDE TO MOVE THE SEAT FORWARD TO ENABLE A WOMAN WHJO HAD RECENTLY HAD BILATERAL KNEE REPLACEMENT SURGERY TO BE SEATED IN THE BACK SEAT. WHEN THE SEAT BACK WAS ERETURNED TO ITS UPRIGHT POSITION IT MOVED BACK FORCEFULLY INTO THIS WOMAN'S KNEES AND DID NOT STOP UNTIL HER HUSBAND REACHED THE SEAT BACK LEVER RLELEASED IT AND MOVED THE SEAT FORWARD. THIS CAUSED HER PAIN SHE SCREAMED AND FLAILED ABOUT WITH HER ARMS DAMAGING A REAR WIND SCREEN IN THE CAR. THE CAR WAS NOT IN MOTION. IT WAS STATIONARY IN MY DRIVEWAY. THERE IS NO SAFETY SENSOR. THERE COULD HAVE BEEN A TERRIBLE OUTCOME IF HER HUSBAND HAD BEEN SLOWER OR IF THERE HAD BEEN A SMALL CHILD OR A PET IN THE WRONG PLACE.

NHTSA ODI 10956634

Oct 8, 2016Fuel systemTransmission & drivetrainAirbagsSpeed controlCrash

FOR A COUPLE OF MONTHS WHEN I PUT MY 2014 E350 SPORT IN PARK IT WOULD JERK FORWARD. NEVER REALLY THOUGHT ABOUT IT BEING A PROBLEM. I WAS DRIVING MY CAR INTO MY NEIGHBORS DRIVEWAY AND WENT TO TURN AROUND AND JUST AS I WENT TO PUT THE CAR IN REVERSE, THE CAR PROPELLED FORWARD DIRECTLY INTO HER TREE. IF THE TREE HAD NOT BEEN THERE MY CAR WOULD HAVE WENT INTO THE FRONT OF HER HOUSE. I AM THANKFUL THAT I AM JUST SHAKEN UP AND A LITTLE SORE. I AM ALSO THANKFUL THAT I WAS THE ONLY ONE IN THE CAR DURING THIS FREAK EVENT AND THAT IF HAPPENED WHERE IT DID BECAUSE THE 2 OTHER TIMES THAT I WAS IN MY CAR THAT DAY IS WAS IN HEAVY TRAFFIC AND I WOULD HAVE DONE MAJOR DAMAGE TO MYSELF AND POSSIBLY SOMEONE ELSE. AT FIRST I BELIEVE MY SHOE GOT CAUGHT ON THE ACCELERATOR, BUT THERE IS NO POSSIBLE WAY THIS COULD BE THE ISSUE AS I WAS APPLYING IT TO THE BRAKE WHEN THE CAR PROPELLED FORWARD. FOR AS HARD AS I HIT THE TREE THE AIRBAG DID NOT DEPLOY. I WAS ABLE TO DRIVE MY CAR BACK HOME WITH ALL THE COOLANT LEAKING FROM IT. *TR

NHTSA ODI 10914900

Sep 1, 2016Tires

TIRE BRAND : CONTINENTAL TIRE LINE: CONTIPROCONTACT TIRE SIZE: 245/40R18 97V COMPONENT:SIDEWALL DOT NUMBER : HW2PN1H61314 SIDEWALL BLOWOUT IN DRIVEWAY WITHOUT HITTING ANYWHERE IN NORMAL TEMPERATURE. THREAD IS STILL IN GOOD CONDITION, UNDER 5,000 MILES DRIVEN. THERE ARE NO NAILS OR ANY ISSUES. IT JUST GOT BLOWOUT. CAR WAS PARKED IN DRIVEWAY AT 3.45 PM AND BLOWOUT HAPPENED AT 7.30 PM. OUTSIDE TEMPERATURE WAS AROUND 83F.

NHTSA ODI 10903039

Aug 26, 2016Wheels

I'M CURRENTLY DRIVING A 2104 E350 4MATIC WITH ABOUT 20,000MILES ON IT, THE FRONT PASSENGER WHEEL CRACKED FROM THE INSIDE. UPON FURTHER RESEARCH IT SEEMS THAT THE WHEELS CRACKING ON THE MERCEDES IS A KNOWN ISSUE AND A CLASS ACTION LAW SUITE HAS BEEN FILED IN NY FOR THE SAME. AFTER CONTACTING CUSTOMER SERVICE, THEY SAID THEY DON'T HAVE THIS ISSUE IN THE DATABASE AND THEY WOULD NOT GIVE ME AN ESCALATION LINE OR ANYONE THAT'S WILLING TO LOOK INTO THIS ISSUE TO DETERMINE THE CAUSE OF THE PROBLEM AND TAKE CARE OF.

NHTSA ODI 10898683

Aug 6, 2016Tires

JULY 23RD 2016 MY TIRE HAD A LEAK FROM UNKNOWN REASON , HAD IT REPLACED AND HAD A LEAK AGAIN ON SAME WHEEL ON AUGUST 5TH 2016 SAME TYPE OF LEAK , CONTINENTAL CONTIPROCONTACT SIZE 245/40/18 97V SIZE

NHTSA ODI 10893673

May 9, 2016Wheels

WHILE DRIVING THE AIR PRESSURE NOTIFICATION LIT UP ON THE DASHBOARD. WITHIN 10 MINUTES I WAS IN MY DRIVEWAY I GLANCED AT THE TIRES TO SEE IF THEY ARE LOW (ONLY 3 LBS DIFFERENCE WAS LIT UP ON THE FRONT RIGHT TIRE) AND NOTICED ON THE FRONT LEFT TIRE THAT A BUBBLE ON THE SIDEWALL THAT HAD SUDDENLY APPEARED WHICH WAS NOT THERE EARLIER IN THE DAY.

NHTSA ODI 10863975

Apr 21, 2016

TAKATA RECALL

NHTSA ODI 10860849

Mar 4, 2016Electrical systemSpeed controlEngine

WHILE DRIVING ON THE HIGHWAY, I ATTEMPTED A HEAVY ACCELERATION TO GET THE CAR UP TO TRAFFIC SPEED. TWO TIMES IN THE PAST 60 DAYS, THE CAR SERIOUSLY MALFUNCTIONED WITH MULTIPLE DASHBOARD INDICATOR LIGHTS AND THE MAIN TEXT "PRE SAFE FUNCTIONS LIMITED" ACCOMPANIED BY A TOTAL LOSS OF SPEED CONTROL. THE ACCELERATOR BECAME 100% UNRESPONSIVE AND I HAD TO COAST TO AN EMERGENCY LANE. THERE WAS SIGNIFICANT DANGER IN BOTH INSTANCES AS I HAD TO CROSS MULTIPLE LANES OF TRAFFIC WITH NO POWER TO GET TO SAFETY. THE WEATHER WAS CLEAR AND THE EXTERNAL SENSORS WERE NOT OBSTRUCTED BY DIRT OR SNOW- WHICH HAS PREVIOUSLY CAUSED THE PRE-SAFE FUNCTIONS LIMITED MESSAGE. I BELIEVE THAT THE MULTIPLE ERRORS INDICATED ON THE DASHBOARD ARE ALL ERRONEOUS TO THE CORE ISSUE OF A SUDDEN AND TOTAL LOSS OF POWER UPON HEAVY ACCELERATION. THE RESOLUTION WAS TO SHIFT THE CAR INTO PARK, PUSH THE IGNITION BUTTON AS IF TURNING THE VEHICLE OFF, WAIT AND RESTART. THE CAR OPERATES NORMALLY UPON RESTART. NOTE THAT THE ENGINE APPEARED TO ALREADY BE OFF PRIOR TO SHIFTING INTO PARK. IT IS AS IF THE HEAVY ACCELERATION KILLED THE ENGINE. THIS ISSUE HAS POTENTIAL FATAL CONSEQUENCES IF THE DRIVER IS UNABLE TO GET THE CAR OUT OF THE LANE OF HIGH SPEED TRAFFIC-- AS I WAS IN. A LESS EXPERIENCED OR PANICKED DRIVER COULD EASILY FAIL TO HANDLE THE SITUATION AND GET REAR ENDED AT HIGH SPEED AS THE CAR CAN ONLY BE RESET BY GETTING IT INTO PARK AND RESTARTED. SIMILAR BLOG POSTS ONLINE REPORT THE SAME WITH OTHER MERCEDES VEHICLES. I HAVE HAD THE CAR FOR FOUR MONTHS AND IT HAS HAPPENED TWICE. SEEMS LIKE A SOFTWARE/ELECTRONIC ISSUE CAUSING THE MECHANICAL ISSUE TO ME. VERY DANGEROUS.

NHTSA ODI 10839989

Feb 16, 2016AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2014 MERCEDES-BENZ E350. WHILE DRIVING 40 MPH, THE CONTACT REAR ENDED THE PRECEDING VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED HEAD, EYE, AND NECK INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED AND NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE. UPDATED 06/20/16*LJ UPDATED 05/29/18*JB

NHTSA ODI 10836485

Jan 11, 2016Fuel system

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ E350. THE CONTACT STATED THAT WHILE DRIVING AT 65 MPH, THE VEHICLE STALLED. IN ADDITION, THE CONTACT NOTICED THE VEHICLE HAD BEEN LEAKING FUEL. THE VEHICLE HAD TO BE TOWED TO THE DEALER WHERE IT WAS INFORMED THAT THE FAILURE WAS RELATED TO NHTSA CAMPAIGN 15V792000 (FUEL SYSTEM, GASOLINE). THE VEHICLE WAS REPAIRED UNDER THE RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 11,000.

NHTSA ODI 10819487

Oct 28, 2015SteeringElectronic Stability Control (esc)

MY CLAIM # IS10691110 THE LANE CONTROL DOES NOT FUNCTION CONSISTANTLY. SOMETIMES WHEN YOU CROSS A LINE, THE REAR BRAKE ON THE OPPOSITE SIDE OF THE CAR AUTOMATICALLY APPLIES BRINGING THE CAR BACK TO THE CENTER OF THE LANE, OTHER TIMES IT DOESN'T. I DEMONSTRATED THIS TO THE MAINTENANCE MGR. WITH NO SATISFACTION. I'VE DISCUSSED WITH A CASE MGR ON SEVERAL TIMES, WITH NO SATISFACTION. I'VE WRITTEN THE PRES OF MERCEDES ON TWO OCCASSIONS, WHO REFERRED MY CONCERN BACK TO THE SAME CASE MGR. WHO SAYS IT IS FUNCTIONING AS DESIGNED,IN SPITE OF THE FACT I DEMONSTRATED TO THE DEALER MAINT. SUPERVISOR THAT IT DOESN'T.I ASKED FOR A REGIONAL PERSON TO RIDE WITH ME SO I COULD DEMONSTRATE THE INCONSISTANCY OF THE WAY IT FUNCTIONS. I WAS DENIED MY REQUEST. NHTSA SEEMS TO BE MY ONLY HOPE FOR GETTING MY SAFETY CONCERN RESOLVED FOR ME AND ANY OTHERS WHO MAY HAVE THE SAME PROBLEM. THE PROBLEM WAS DEMONSTRATED ON STATE RT. 33 IN DUBLIN OH. WITH PAINTED ROAD LINES THAT WERE CONSISTINT. I HAVE MANY NOTES OF ADDITIONAL DETAIL IF WANTED.

NHTSA ODI 10786798

Sep 21, 2015Tires

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ E350 EQUIPPED WITH CONTINENTAL CONTIPROCONTACT TIRES, SIZE: 245/40R18. WHILE DRIVING AT 20 MPH OVER A POTHOLE, THE FRONT DRIVER SIDE TIRE BLEW OUT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TIRE WAS REPLACED. THE CONTACT REPLACED THE OTHER THREE TIRES ON SEPARATE OCCASIONS FOR THE SAME FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE DOT NUMBER WAS UNKNOWN. THE APPROXIMATE VEHICLE FAILURE MILEAGE WAS 6,000 AND THE TIRE FAILURE MILEAGE WAS 5,000.

NHTSA ODI 10766455

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Working with the data? Download all 302 complaints as CSV · fetched from NHTSA July 26, 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 E-class Cabrio verdict →