2009 MERCEDES-BENZ C300 Complaints

View complaints related to 2009 MERCEDES-BENZ C300. The complaints found here are submitted by actual consumers with first hand experience. There are more than 550 complaints submitted for the 2009 MERCEDES-BENZ C300. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 2009 MERCEDES BENZ C300
    - NEW ORLEANS, LA

    WHILE DRIVING HOME FROM WORK, I WAS RECEIVING ERROR MESSAGES ON MY INSTRUMENT CLUSTER ASKING ME TO CHECK THE REAR PASSENGER BRAKE LIGHTS AND TURNING SIGNAL BULBS. ONCE I WAS HOME, I OPENED MY TRUNK AND SMELT BURNING PLASTIC. I OPENED THE ACCESS PANEL TO THE FUSE BOX LOCATED NEAR THE PASSENGER TAILLIGHT AND INSPECTED THE AREA FOR DAMAGE. I NOTICED SOME RESIDUAL SMOKE COMING FROM THE CONNECTOR ATTACHED TO THE TAILLIGHT BULB ASSEMBLY. I REMOVED THE BULB ASSEMBLY AND THE BROWN GROUND WIRE HAD BURNED THROUGH THE PLASTIC ASSEMBLY. I REMOVED THE WIRE HARNESS FROM THE ASSEMBLY AND THE CONNECTOR CRUMBLED DUE TO THE DAMAGE. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - EAST RUTHERFORD, NJ

    01/11/2014....4:00 PM .I WAS DRIVING INTO THE ROCKAWAY MALL IN DOVER AT APPROXIMATELY 10 MPH WHEN THE TIRE HIT A BUMP ( THE LEFT FRONT DRIVERS SIDE) AND WENT INSTANTLY FLAT. I HAD TO CONTACT AAA TO CHANGE THE TIRE TO THE SPARE. I WAS UNABLE TO HAVE THE TIRE REPAIRED UNTIL JANUARY 13, 2014. I WAS TOLD THE SIDEWALL BLEW OUT AND THE TIRE WAS UNABLE TO BE REPAIRED. I HAD TO PURCHASE A NEW TIRE IN THE AMOUNT OF $268.06. 02/01/2014....6:00 PM .I WAS UP ROUTE 3 WEST IN CLIFTON DRIVING APPROXIMATELY 50 MILES PER HOUR WHEN THE RED LIGHT CAME ON INDICATING THERE WAS A TIRE ISSUE. I PULLED INTO THE CLOSEST GAS STATION AND MY TIRE (THE LEFT FRONT DRIVERS SIDE) WAS COMPLETELY FLAT. I AGAIN CONTACTED AAA TO CHANGE THE TIRE. MONDAY MORNING I BROUGHT THE CAR TO LOOK AT THE TIRE, AGAIN I WAS TOLD IT WAS THE SIDEWALL BLOWING OUT, IT COULD NOT BE REPAIRED AND I WAS CHARGED ANOTHER $52.99. THIS ALSO HAPPENED IN MY PREVIOUS MERCEDES C280 WITH A BUBBLE I THE SIDEWALL TWICE WITH THE SAME TIRE. I HAVE TO CONTACT THE REPAIR PERSON AS TO THE PRICE OF THE TIRE REPLACEMENT. THIS IS A DANGEROUS SITUATION WHICH WILL CAUSE SOMEONE THEIR LIFE. THESE CONTINENTAL PRO CONTI TIRES 225/ R45/17 H91 NEED TO BE RECALLED A.S.A.P. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - CHICAGO, IL

    I RECEIVED A WARNING THAT MY LEFT TAIL LIGHT WAS OUT. THE LIGHT WAS NOT OUT AND WHEN THE CAR WAS RESTARTED THE MESSAGE NO LONGER APPEARED. I WENT TO THE DEALERSHIP AND ASKED SERVICE TO CHECK THE TAILLIGHT. THE SERVICE MANAGER SHOWED ME THE LIGHT PANEL WHICH HAD MELTED PLASTIC AND BURN MARKS ON IT NEAR THE GROUNDING WIRE. HE TOLD ME I NEEDED TO HAVE IT REPLACED AS WELL AS THE CIRCUIT BOARD. I TOLD HIM I THOUGHT IT WAS RIDICULOUS TO HAVE ELECTRICAL PROBLEMS WITH A CAR WITH 85K MILES. I JUST REPLACED AN ELECTRICAL PANEL IN THE FRONT 2 MONTHS AGO FOR $700. I ASKED IF THEY HAD PROBLEMS WITH THE C AND HE SAID NO BUT HE HAD SEEN A FEW ISSUES WITH THE GROUNDING WIRE. I JUST LOOKED INTO IT TO DISCOVER IT IS UNDER NHTSA INVESTIGATION. PLEASE ADVISE. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - SAN ANTONIO, TX

    RIGHT TAIL LIGHT CLUSTER HAD A ELECTRICAL SHORT IN THE LAMP CONNECTOR, WHICH ULTIMATELY HAD TO PAY $250 TO REPLACE IN MID DECEMBER 2013. NOW IT SEEMS THAT I AM HAVING THE SAME ISSUE ON THE LEFT SIDE. THIS IS A SAFETY ISSUE AND NEEDS TO BE ADDRESSED. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - DENVER, CO

    RIGHT REAR TAILLIGHT ASSEMBLY COMPLETELY WENT OUT AS A RESULT OF A BAD GROUND WIRE. ON THAT SIDE THERE WAS NO BRAKE LIGHT, NO TURN SIGNAL, NO RUNNING LIGHTS, ETC. AFTER INSPECTION THE GROUND (BROWN OUTER MOST WIRE) WHERE IT CONNECTS TO THE PLUG/REAR TAIL LIGHT ASSEMBLY HAS BURN MARKS AND CORROSION. I USED ELECTRICAL TAPE TO TAPE UP THE EXPOSED WIRE (DUE TO HEAT/SPARKS THE INSULATION ON THE WIRE WAS GONE). CURRENTLY, ALL FUNCTIONS OF THE TAIL LIGHT ARE DIM ( 75% DIMMER THAN THE OTHER SIDE) AND AT TIMES IT JUST COMPLETELY DOESN'T WORK. I HAVE STOPPED DRIVING THE CAR AS A RESULT OF THIS AS I DO NOT FEEL SAFE DRIVING AS I FEAR IT MIGHT LEAD TO A SMALL FIRE. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - BELLEVUE, WA

    DRIVER SIDE REAR LIGHTS DIMMER THAN THE OTHER SIDE THAN WENT OUT, WHEN OPEN THE COMPARTMENT, SMELLED MELTING PLASTIC. CHECKED THE PLUG THAT WENT INTO THE LIGHTS HAS MELTED. ALSO BURN MARK LEFT ON LIGHT HOUSING. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - HUTSVILLE, AL

    TL* THE CONTACT OWNS A 2009 MERCEDES BENZ C300. THE CONTACT STATED THAT THE FRONT DRIVER'S SIDE HEADLIGHT, REAR DRIVER'S SIDE BRAKE LIGHT AND THE TURN SIGNALS FAILED. THE LOCAL MECHANIC REPLACED THE BULB HOWEVER THE WIRES OVERHEATED AND MELTED, CAUSING THE LIGHT BULB AND ASSEMBLY TO BECOME DAMAGED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 74,000 AND THE CURRENT MILEAGE WAS 93,505.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2009 MERCEDES BENZ C300
    - CERES, CA

    TAIL LIGHT PROBLEMS. I STARTED RECEIVING WARNING MESSAGES REGARDING THE TAIL LIGHT MALFUNCTION. WE CHECKED THE LIGHTS BUT THEY WERE FINE. IN JANUARY THE LIGHT WENT OUT. I TOOK MY CAR IN FOR AN OIL CHANGE AND WAS TOLD THAT THE BULBS WERE NOT ONLY OUT BUT THE CAUSE WAS DUE TO A CIRCUIT ISSUE. AFTER PICKING UP MY CAR, THERE WAS AN ADDITIONAL WARNING FOR MY SIDEMARK LIGHT. *TR

    Source: NHTSA WEB SITE
  • 2009 MERCEDES BENZ C300
    - DUBLIN, GA

    TL* THE CONTACT OWNS A 2009 MERCEDES BENZ C300. THE CONTACT STATED THAT THE ENGINE RPMS INCREASED EXCESSIVELY AND THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING AS THE CONTACT ATTEMPTED TO BRAKE. THE CONTACT MENTIONED THAT THE VEHICLE EVENTUALLY DECELERATED AND RESPONDED TO BRAKING ATTEMPTS. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE AND CURRENT MILEAGE WAS 38,500.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2009 MERCEDES BENZ C300
    - HILLSBORO, OR

    APPROXIMATELY 1 YEAR AGO, THE BACK (DRIVER-SIDE) TAIL LIGHTS WERE MALFUNCTIONING AND I HAD TO REPLACE THE BULB. I DID MENTION THIS TO THE MERCEDES DEALERSHIP WHEN I WENT TO SERVICE ANOTHER ISSUE, BUT THEY STATED THERE WAS NO ISSUES, JUST A BAD BULB. UNFORTUNATELY THIS HAPPENED A FEW TIMES BEFORE A SERVICE TECH NOTICED THAT THE BACK BOARD WAS "FRIED" AND SUGGESTED I GO TO A MERCEDES DEALERSHIP TO GET IT REPAIRED. NOT ONLY AM I PAST THE 5YR, 50,000 MILE WARRANTY, SO MERCEDES WILL NOT COVER THE COSTS, BUT THE DEALERSHIP HAS HAD MY CAR FOR 3 DAYS AND CANNOT DETERMINE HOW TO REPAIR THE ISSUE. THEY REPLACED THE BOARD, BUT THEY ARE NOW STATING THAT THEY MAY NEED TO REPLACE ALL OF THE WIRES. I CALLED MERCEDES TO COMPLAIN, BUT WITHOUT A RECALL IN PLACE, THEY WILL NOT COVER THE COSTS TO REPAIR. *TR

    Source: NHTSA WEB SITE