Home · 2017 Mercedes-benz C-class Hybrid · Complaints

What 251 owners told NHTSA about the 2017 Mercedes-benz C-class Hybrid

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 (251)Crash / fire / injury (19)Engine (82)Electrical system (35)Fuel system (35)Body & structure (26)Seat belts (26)Airbags (18)Steering (15)Transmission & drivetrain (15)Visibility & wipers (11)Wheels (6)

Newest first · 251 complaints · page 9 of 11

Dec 2, 2019Body & structureSpeed controlElectronic Stability Control (esc)Crash

SUDDEN ACCELERATION AFTER PULLING VERY SLOWLY INTO PARKING SPACE. ALMOST STOPPED. CAR SUDDENLY ACCELERATED, JUMPED A CURB FROM, WENT UP AN EMBANKMENT AND HIT A TREE. WAS ABLE TO REVERSE AND BACK DOWN. IT WILL TAKE A MONTH FOR BODY WORK. NOTIFIED MERCEDES DEALER. THEY WILL RUN DIAGNOSTICS ON JAN. 7.

NHTSA ODI 11286307

Nov 25, 2019Electrical system

THE 2017 MERCEDES-BENZ C300 VEHICLE SUFFERED A COMPLETE LOSS OF POWER/ELECTRICS WHILE IN MOTION AT SPEED AND IN TRAFFIC, CAUSING THE VEHICLE TO UNEXPECTEDLY STOP ON TWO SEPARATE OCCASIONS. THE LOSS OF ALL ELECTRICAL SUPPLY LEAVES THE VEHICLE IMMOBILE, WITHOUT WARNING INDICATORS AND CANNOT BE MOVED. THE FIRST INCIDENT WAS AROUND 5PM IN A BUSY ROAD JUNCTION IN THE DARK, WITH LIMITED LIGHTING. AS THE VEHICLE IS BLACK COLORED IT IT IS DIFFICULT TO SEE IN THESE CIRCUMSTANCES. THE SECOND INCIDENT WAS AT ANOTHER BUSY ROAD JUNCTION IN HEAVY TRAFFIC, AT MIDDAY ON A SATURDAY. ON BOTH OCCASIONS THE POLICE HAD TO ATTEND AS THE IMMOBILIZED VEHICLE POSED A SERIOUS HAZARD WITH A RISK OF CAUSING A COLLISION TO OTHER ROAD USERS. THE APPROXIMATE TIMES TO GET THE VEHICLE REMOVED FROM THE ROAD IN THESE TWO INCIDENTS WERE BETWEEN 45 - 60 MINUTES. THE PERIOD BETWEEN THE TWO INCIDENTS WAS 11 DAYS. THE DAY FOLLOWING THEN FIRST INCIDENT, THE VEHICLE WAS INSPECTED BY A MERCEDES DEALERSHIP, WHO HAD THE VEHICLE IN THEIR POSSESSION FOR FIVE DAYS. INITIALLY THEY STATED THAT THEY HAD NOT FOUND A CAUSE FOR THE LOSS OF ALL ELECTRICAL POWER IN THE VEHICLE. SUBSEQUENTLY WHEN PRESSED ON THE MATTER, THEY STATED THE CAUSE WAS A CONNECTION PROBLEM TO THE POSITIVE TERMINAL ON THE BATTERY. IN GOOD FAITH THE VEHICLE WAS COLLECTED BY ME AND DRIVEN WITHOUT ANY APPARENT PROBLEM FOR FOUR DAYS, PRIOR TO THE SECOND INCIDENT. THE MILEAGE DRIVEN IN THAT PERIOD WAS LESS THAN 100 MILES IN TOTAL. THIS VEHICLE POSES A SERIOUS RISK TO THE DRIVER, PASSENGERS AND OTHER ROAD USERS.

NHTSA ODI 11282140

Nov 18, 2019Seats

2017 MERCEDES BENZ C43. CONSUMER WRITES IN REGARDS TO FRONT SEATBACK LOCK SAFETY RECALL. *LD *JS

NHTSA ODI 11280111

Nov 12, 2019Electrical systemFuel system

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHEN THE CONTACT STARTED THE VEHICLE WITH THE MOBILE APP, SHE NOTICED A FUEL ODOR EMITTING FROM THE VEHICLE. WHEN THE VEHICLE WAS STARTED MANUALLY, THE ODOR WAS NOT PRESENT. THE CONTACT TOOK THE VEHICLE TO PARK PLACE MOTORCARS DALLAS (LOCATED AT 6113 LEMMON AVE, DALLAS, TX 75209, 877-475-5033) WHERE IT WAS DIAGNOSED THAT THE FUEL HOSE WAS LEAKING AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 55,000.

NHTSA ODI 11279530

Aug 13, 2019AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2017 MERCEDES BENZ C300. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, WAS BROADSIDED ON THE PASSENGER SIDE BY ANOTHER VEHICLE. THE FRONTAL AIR BAGS DEPLOYED, BUT THE AIR BAG UNDER THE DASHBOARD OF THE DRIVER SIDE DEPLOYED WITH SUCH FORCE THAT CAUSED LACERATIONS AND SECOND DEGREE BURNS ON THE DRIVERS LEGS. THE POLICE WAS PRESENT AND A REPORT NUMBER: 38-18-85 WAS FILED. THE DRIVER WAS TRANSPORTED TO THE HOSPITAL BY AMBULANCE, TREATED AND RELEASED. THE VEHICLE WAS TOWED TO AN IMPOUND LOT, THE INSURANCE COMPANY LABELED THE VEHICLE DESTROY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 8,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI 11243472

Jul 14, 20192 injuries

I HAD AN INJURY IN THE MILITARY AND IT LEFT ME WITH SOME FORM OF TBI. THE CHEMICALS IN THE CAR FROM THE TIME OF PURCHASE TO THE TIME OF SELL LEFT ME WITH A LARGE AMOUNT OF AMNESIA AND AT TIMES PAIN THROUGHOUT THE BODY, ITS NOT SOMETHING THAT'S EASILY REMEDIED. THE TIMES FROM THE CHEMICALS IN THE VEHICLE ALWAYS CAUSED A PROBLEM. I DON'T KNOW WHAT ELSE TO DO.

NHTSA ODI 11231677

May 14, 2019Seats

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C43A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V130000 (SEATS). THE CONTACT STATED THAT MERCEDES-BENZ OF DANBURY (LOCATED AT100 FEDERAL RD, DANBURY, CT 06810, (203) 778-6333) EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE PART WAS NOT AVAILABLE FOR THE REPAIR. THE CONTACT HAD EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI 11207456

Apr 24, 2019SteeringTransmission & drivetrainElectrical system

ON 7/30/18 I WAS STRANDED IN THE MIDDLE OF THE STREET AFTER THE COOLANT MALFUNCTION LIGHT CAME ON. THE CAR BEGAN OVERHEATING, AND THERE WAS NO AC. I WAITED FOR ROADSIDE ASSISTANCE MORE THAN 3 HOURS. I WAS INFORMED OF THE INCORRECT POSITIONING OF THE ALTERNATOR FROM MANUFACTURING, WHICH RESULTED IN MULTIPLE LIGHTS ON CLUSTER. THEY FOUND THE ENGINE BELT FELL OFF & REPLACED THE V-BELT. THEY PERFORMED LI13.22-P-060187, AND RELEASED STRESS OF ALTERNATOR AND CORRECTED TORQUE. THEY ALSO WORKED ON A CAMPAIGN/RECALL (#2018070005) I HAD NOT BEEN INFORMED OF. ON 3/15/19 DURING THE SCHEDULED 20K SERVICE, THEY TESTED BATTERY TEST CODE WITH CABIN FILTERS WIPERS AND BRAKE FLUID SERVICE AND PERFORMED A VEHICLE INSPECTION. ON 3/19/19, 4 DAYS AFTER THE SCHEDULED 20K SERVICE, I WAS STRANDED IN THE MIDDLE OF US1 DURING RUSH HOUR TRAFFIC ON MY WAY TO WORK. THE COOLANT LIGHT CAME AGAIN. THANKFULLY, I SAFELY AVOIDED AN ACCIDENT AFTER THE CAR TURNED OFF IN THE MIDDLE OF THE STREET. THE REPORT SHOWED A WEAK CRANK & BATTERY MESSAGE ON THE CLUSTER DISPLAY. THEY TESTED THE BATTERY AND FOUND CODE HR250BT-DAD4LFB STATING, 'REPLACE BATTERY'. THEY REMOVED A0019820208 DATE 45/16 AND INSTALLED A0019829108 DATE 03/18. THE DRIVE BELT HAD COME OFF THE DRIVE SYSTEM & FOUND LI13.22-P-060187, WHICH STATED THEY NEEDED TO PERFORM AN ALIGNMENT PROCEDURE OF THE ALTERNATOR AND INSTALLED A NEW BELT FOR THE 2ND TIME. THE BELT ACTUALLY CAUSED DAMAGE TO THE TENSIONING DEVICE, WHICH RESULTED IN THEM REPLACING THE TENSIONER, AND PERFORMING THE INSTRUCTION FOR LI. THEY TEST DROVE THE CAR & SAID IT WAS FIXED. ON 4/4/19, JUST 3 DAYS AFTER PICKING UP MY CAR, IT TURNED OFF ON MY AGAIN IN THE MIDDLE OF US1. THE BATTERY LIGHT CAME ON AND A MESSAGE POPPED UP STATING THAT THE SYSTEM WOULD SHUT DOWN IN 3 MINUTES. I WAS LUCKY ENOUGH TO AVOID AN ACCIDENT ON A CONGESTED ROAD.

NHTSA ODI 11203356

Apr 18, 2019Transmission & drivetrain

WHEN IDLING AT THE LIGHT. THE CAR WOULD SHUT ITSELF OFF. ALL THE WARNING LIGHTS WILL COME ON. I THEN HAVE TO RESTART THE CAR WITH THE PUSH START TO RESET IT. THEN IT'LL WORK FINE. I HAVE BEEN TO MERCEDES DEALERSHIP IN NEW ROCHELLE FOR FOUR TIMES ABOUT THIS ISSUE. THEY CHANGED THE BATTERY THE FIRST TIME. TWO DAYS LATER THE SITUATION OCCURRED AGAIN. THEN THE SECOND AND THIRD TIME THEY GAVE ME BACK THE CAR AND SAID THEY DIDN'T SEE ANYTHING WRONG BECAUSE NO CODES POPPED UP. BOTH TIMES I TOOK THE CAR BACK AND THE SITUATION OCCURRED AGAIN. THIS PROBLEM HAS OCCURRED OVER 30 TIMES SINCE OVER 29,000 MILES. THE DEALERSHIP IS TRYING TO FIGURE OUT THE ISSUE AND RIGHT NOW I AM IN A LOANER VEHICLE ON THE FOURTH TIME THAT I HAVE GIVEN MY CAR IN FOR SERVICE BECAUSE OF THIS SITUATION. THE INCIDENT IS DANGEROUS IN THAT ONE TIME I WAS IN AN INTERSECTION AND IT SHUT OFF ON ME. CARS GOING THE OPPOSITE WAY ALMOST HIT ME BECAUSE OF MY REACTION TIME TO PUT THE CAR ON START AND THEN RESTART THE CAR. THIS CAN BE POTENTIALLY DANGEROUS FOR POSSIBLE ACCIDENTS. IN ADDITION, I HAVE LOOKED ONLINE AND SIMILAR PROBLEMS HAVE OCCURRED WITH OLDER MODELS AND OTHER MODELS.

NHTSA ODI 11197127

Mar 25, 2019Wheels

IN REGARD TO CONTINENTAL TIRES.THE WHEELS CRACK AT THE SLIGHTEST RESISTANCE. THE WHEELS CONSTANTLY NEED AIR PLACED IN THEM SOMETIMES TWICE A WEEK. IN A YEAR I HAVE HAD TO REPLACE 12 TIRES DUE TO CRACKING AT THE SLIGHTEST IMPACT. THE WHEELS DO NOT LAST 50 MILES AFTER BEING FLAT THEY ARE DESTROYED THE MINUTE THEY HIT IMPACT. THESE ARE DANGEROUS TIRES FOR ANYONE AND THESE NEED TO BE RECALLED.

NHTSA ODI 11191483

Mar 14, 2019Steering

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V850000 (STEERING). THE CONTACT CALLED KEYES EUROPEAN MERCEDES-BENZ AT 818-574-5053 (LOCATED AT 5400 VAN NUYS BLVD, SHERMAN OAKS, CA 91401) AND WAS INFORMED THAT THE PARTS WERE NOT AVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE THE VIN WAS NOT PROVIDED.

NHTSA ODI 11186784

Feb 10, 2019Steering

POWER STEERING FAILED WHILE DRIVING NEARLY CAUSING A MULTI CAR ACCIDENT.

NHTSA ODI 11176106

Jan 29, 2019AirbagsCrash1 injury

TL* THE CONTACT OWNED A 2017 MERCEDES-BENZ C300. WHILE AT A STOP LIGHT, THE CONTACT'S VEHICLE WAS INVOLVED IN AN HEAD ON COLLISION. THE DRIVER'S AIR BAG DEPLOYED, BUT NOT TO FULL CAPACITY. THE CONTACT SUSTAINED HEAD AND NECK INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW YARD. THE VEHICLE WAS NOT DIAGNOSED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 14,000.

NHTSA ODI 11172855

Jan 11, 2019Tires

TL* THE CONTACT LEASED A 2017 MERCEDES-BENZ C43 AMG EQUIPPED WITH PIRELLI P ZERO ALL SEASON TIRES, SIZE: P225/40/R19 (NA). ON SEVERAL OCCASIONS, THE LOW TIRE PRESSURE WARNING INDICATOR ILLUMINATED. ALSO, THE FRONT DRIVER AND PASSENGER TIRES EXPERIENCED BLOWOUTS AND CRACKED RIMS. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF NANUET (99 NY-304, NANUET, NY 10954, (845) 624-1500) TO BE DIAGNOSED, BUT NO ASSISTANCE WAS OFFERED. THE CONTACT STATED THAT BOTH FRONT TIRES WERE REPLACED ELEVEN TIMES. THE VEHICLE MANUFACTURER WAS NOTIFIED. THE TIRE MANUFACTURER WAS NOT CONTACTED. THE APPROXIMATE TIRE AND VEHICLE FAILURE MILEAGE WAS 3,997.

NHTSA ODI 11166516

Oct 16, 2018Steering

PROBLEM "POWER STEERING MALFUNCTION" . FRIST TIME OF THIS HAPPENED WAS FROM MAY 17, 2018,THE STEERING WHEEL CANNOT MOVE WHEN THE VEHICLE WAS START UP. SECOND TIME IS TODAY,OCT 16,2018. WHEN I START UP THE CAT, "POWER STEERING MALFUNCTION" COME UP ON SCREEN. THINK IF STEERING CANNOT TURNING WHILE DRIVING ON HIGHWAY, WHAT WILL HAPPEN! ONE OF MY FRIEND BOSS HAD SAME PROBLEM WHILE HE IS TURNING ON THE ROAD AND HIT THE WALL!

NHTSA ODI 11140698

Sep 13, 2018Tires

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C43 AMG EQUIPPED WITH CONTINENTAL TIRES. THE FRONT TIRES WERE SIZE: 225/40/R19 93Y AND THE REAR TIRES WERE SIZE: 255/35/R19 96Y (NA). THE CONTACT STATED THAT THE SIDEWALLS OF THE TIRES WERE SO THIN THAT THE TIRES WOULD BLOW OUT WHILE DRIVING OVER SMALL POTHOLES. THE CONTACT EXPERIENCED SIX TIRE FAILURES OVER THE LAST FIFTEEN MONTHS. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF UNION (2585 US-22, UNION, NJ 07083, (908) 379-7200) AND THE TIRES WERE REPLACED AT THE CONTACT'S EXPENSE. THE TIRE MANUFACTURER ACKNOWLEDGED THE TIRE FAILURES, BUT OFFERED NO ASSISTANCE. THE MERCEDES-BENZ MANUFACTURER ALSO ACKNOWLEDGED THE FAILURES, BUT BLAMED THE CONTACT FOR NOT PURCHASING THE EXTRA TIRE INSURANCE AT THE TIME OF PURCHASE. THE MANUFACTURER INITIALLY OFFERED A DISCOUNT TO PURCHASE THE TIRE INSURANCE. THE CONTACT WAS LATER OFFERED TO END THE LEASE OF THE VEHICLE AND THE MANUFACTURER OFFERED A DISCOUNT ON LEASING OR PURCHASING ANOTHER MERCEDES-BENZ VEHICLE. THE CONTACT WANTED THE TIRES AND RIMS REPLACED WITH STANDARD 18-INCH TIRES, BUT THE MANUFACTURER REFUSED BECAUSE THE COST WAS TOO HIGH. THE TIRE LINES, DOT NUMBERS, VIN, AND TIRE AND VEHICLE FAILURE MILEAGES WERE NOT AVAILABLE.

NHTSA ODI 11129338

Aug 28, 2018Airbags

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V627000 (AIR BAGS). THE CONTACT CALLED MERCEDES-BENZ OF GEORGETOWN AT 512-930-6150 (LOCATED AT 7401 N INTERSTATE 35 FRONTAGE RD, GEORGETOWN, TX 78626) AND WAS INFORMED THAT THE PARTS WERE NOT AVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI 11123053

Jul 18, 2018AirbagsSeat beltsBody & structureCrash2 injuries

I HIT A BEAR IN MONTANA IN MY 2017 MERCEDES C300 AT 86MPH AND DESTROYED THE FRONT OF MY CAR. THE SEATBELTS DEPLOYED AND WRENCHED US INTO OUR SEATS AND SMOKE CAME OUT OF THE FRONT AIR VENTS BUT THE AIRBAGS DID NOT GO OFF. ON THE DASH THE VEHICLES STATED THAT THE AIRBAGS IN ALL 4 ZONES IN THE CAR MALFUNCTIONED AND SERVICE IS REQUIRED. MERCEDES IS STATING THAT THE LIGHT IS FROM A SEATBELT ERROR CODE BUT THE DASH DID NOT SAY ANYTHING ABOUT SRS OR SEATBELTS. I DO NOT WANT TO PUT MY FAMILY BACK IN THE CAR AND DO NOT FEEL IT SHOULD BE REPAIRED. PLEASE SEE ATTACHED PHOTOS OF THE ERROR MESSAGES ON THE DASH. I DO NOT KNOW HOW I CAN HIT SOMETHING THAT HARD AND NOT HAVE THEM DEPLOY. MERCEDES IS DOING AN INTERNAL INVESTIGATION BUT THEY HAVE NOT GIVEN ME THE RESULTS OF THAT AND IT HAS BEEN OVER 3 WEEKS. VEHICLE WAS IN FOR A AIRBAG RECALL NOT TAKATA RELATED ON JANUARY OF 2018 AND THIS WAS SUPPOSED TO HAVE BEEN REPAIRED.

NHTSA ODI 11112163

Jun 25, 2018Brakes

THE PARKING BRAKE WON'T RELEASE SOMETIMES AFTER DOING EVERYTHING THAT THE MANUAL AND MERCEDES BENZ RECOMMENDS. I'VE BEEN STRANDED FOR OVER 30 MINUTES. I'VE PULLED THE BRAKE RELEASE FOR OVER 10 SECONDS AND PUT THE CAR IN GEAR AND TURNED IF OFF AND ON. TWICE THE PARKING BRAKE LIGHT HAS COME ON WHEN DRIVING.

NHTSA ODI 11103718

Jun 24, 2018Brakes

AT START-UP, THE PARKING BRAKE LIGHT COMES ON AND CAN'T BE TURNED OFF. THIS HAPPENED SEVERAL TIMES. THE PARKING BRAKE LIGHT COMES ON WHILE DRIVING ONE DAY AT START-UP THE BRAKE WOULD NOT RELEASE FOR 30 MINUTES WHILE TRYING VARIOUS METHODS RECOMMENDED BY MERCEDES BENZ SUPPORT AND THE OPERATORS MANUAL. THE BRAKE LIGHT HAS COME ON WHEN IT STARTS UP AND THE PARKING BRAKE COULD NOT BE RELEASED PREVENTING THE CAR FROM MOVING. ALSO THE WARNING LIGHT COMES ON WHEN DRIVING. I WILL UPLOAD A PICTURE OF THIS.

NHTSA ODI 11103688

Jun 5, 2018Wheels

TIRE FAILURE WHILE DRIVING. TREAD SEPARATED FROM SIDEWALL. MAYBE RELATED TO PIRELLI RECALL 16T018000. TIRE MANUFACTURED 05-17 AND DOT CE X2 T120 AND ECE HOMOLOGATION SYMBOL IS E4 0271937.

NHTSA ODI 11099895

May 3, 2018Brakes1 injury

WHEN THE CAR IS NOT MOVING AND YOU ARE READY TO LEAVE THE CAR YOU PRESS THE POWER BUTTON TO TURN IT OFF, THE CAR "SOMETIMES" GOES INTO NEUTRAL NOT PARK AND STARTS MOVING WHEN YOU ARE GETTING READY TO EXIT THE VEHICLE, EVEN KNOWING THAT IT DOES HAVE A BUTTON FOR PARK BUTTON ON THE GEAR SHIFTER. IT SHOULD BY DEFAULT GO INTO PARK NOT NEUTRAL ALL MY OTHER CARS THAT ARE KEY LESS WHEN YOU PRESS THE BUTTON TO TURN THE CAR IT OFF GOES BY DEFAULT TO PARK REGARDLESS OF PRESSING THE PARK BUTTON ON THE VEHICLE. I HAVE EXPRESS THIS TO MB AND THEY DON'T SEAM TO BE CONCERN ABOUT THIS, SPECIALTY WHEN WE HAVE DIFFERENT VEHICLES IN THIS HOUSEHOLD THAT ALL OF THEM GO INTO PARK.

NHTSA ODI 11091532

Apr 27, 2018Electrical systemAirbags

SINCE I BOUGHT IN FEBRUARY 2017 BRAND NEW 2017 MERCEDES BENZ C300 CONVERTIBLE IN ONE YEAR OF OWNERSHIP I HAD TO BRING MY CAR SEVERAL TIMES FOR SERVICES LIKE, THE CONVERTIBLE TOP WOULD NOT WORK, THE MIRRORS WOULD NOT FOLD, THE STEERING WHEEL WOULD NOT ADJUST, ELECTRONICAL ISSUES LIKE CONNECTING MY CELL PHONE TO THE CAR. ( I HAD THE TOP GOT REPLACED ONLY AFTER COUPLE OF MONTHS AFTER I PURCHASED THE CAR.) TODAY APRIL 27 2018 I COULD NOT START THE CAR IN THE MORNING TO GO TO WORK, THE DISPLAY WAS SHOWING THE KEY IS NOT DETECTED( HAD TO EXIT THE CAR COUPLE OF TIMES, WITH THE KEY AND TRY AGAIN TO START THE CAR UNTIL IT FINALLY WORKED).HAD MY TOP OPEN WHILE WAS DRIVING TO WORK AND ONCE PARKED THE TOP WOULD NOT CLOSE, AND AGAIN HAD TO EXIT THE CAR LOCK UNLOCK AN TRY AGAIN COUPLE OF TIMES BEFORE IF FINALLY CLOSED. I DID RECEIVE A LETTER SAYING THAT THE CAR WAS DEFEFECTED, AND THAT THE AIRBAG ON THE DRIVERS SEET MAY NOT WORK, I'LL ATTACH THE LETTER ( BROUGHT FOR SERVICES) BUT IT'S SEEMS THAT THEY DIDN'T FIX THE PROBLEM. ALSO THE TIRE PRESSURE EVERY COUPLE OF WEEKS IT'S LOW, AND THE DISPLAY WOULD SHOW SOMETIMES THAT THE SEET IS NOT FIRM OR STEADY. I BOUGHT A BRAND NEW CAR TO FEEL SAFE AND DO NOT FEEL THAT WAY.

NHTSA ODI 11090429

Apr 6, 2018Airbags

VEHICLE HAS INSUFFICIENT ELECTRICAL GROUNDING THAT CAN LEAD TO AN INADVERTENT DEPLOYMENT OF THE DRIVER AIRBAG. MERCEDES REFUSES TO INFORM ME OF A DATE THAT THE VEHICLE WILL BE REPAIRED. I WAS SENT A LETTER FROM MERCEDES DATED NOVEMBER 2017 AND THE DEALERS AND THE MANUFACTURE WILL NOT GIVE ME A DATE. I AM UNSURE AS I DRIVE THE AUTO THAT THE AIRBAG WILL DEPLOY CAUSING AND ACCIDENT AND INJURY TO MYSELF. WHY CAN'T THE VEHICLE BE REPAIRED IN A TIMELY MANNER? I AM NOW IN THE 5TH MONTH AND WONDERING IF I AM DRIVING A TIME BOMB.

NHTSA ODI 11083593

Mar 20, 2018Visibility & wipersBody & structure

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHILE DRIVING APPROXIMATELY 35 MPH, THE GLASS MOON ROOF SUDDENLY EXPLODED, CAUSING GLASS TO ENTER THE CABIN OF THE VEHICLE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF LOVELAND (4040 BYRD DR, LOVELAND, CO), BUT THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 9,000.

NHTSA ODI 11080335

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Working with the data? Download all 251 complaints as CSV · fetched from NHTSA July 25, 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 2017 Mercedes-benz C-class Hybrid verdict →