2015 MERCEDES-BENZ C300 Complaints

View complaints related to 2015 MERCEDES-BENZ C300. The complaints found here are submitted by actual consumers with first hand experience. There are more than 350 complaints submitted for the 2015 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.

  • 2015 MERCEDES-BENZ C300
    - FUQUAY VARINA, NC

    AT HIGHWAY DRIVING SPEEDS IN EXCESS OF 50 MPH, THE GLASS TRIM PANEL OF THE PANORAMIC SUNROOF VIBRATES AND FLAPS WILDLY. IT IS NOT SECURELY ATTACHED TO THE ROOF OF THE CAR. I TOOK IT TO THE DEALER TO HAVE IT REPLACED. IT WILL FLY OFF AND HIT THE VEHICLE BEHIND ME. IF THE VEHICLE BEHIND ME WERE A MOTORCYCLE, THE RESULTS WOULD BE DISASTROUS.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - MIAMI, FL

    CAR LOOSES SPEED WHILE DRIVING IN THE STREET OR A HIGHWAY. NO CODE HAVE BEEN DETECTED IN THE COMPUTER. I HAVE BEEN TAKING THE CAR TO THE DEALERSHIP BUT THEY HAVEN'T FOUND WHAT'S THE PROBLEM.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - KANSAS CITY, MO

    12/6/17 AIRBAG FRONTAL,8/31/17 ELECTRIAL SYSTEM STARTER ASSEMBLY,8/31/17 ENGINE AND ENGINE COOLING ENGINE,4/21/17 ELECTRICAL SYSTEM SOFTWARE AND 4/21/17 AIRBAG FRONTAL SENSOR/CONTROL MODULE.RECALL ON THESE PARTS.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - STOCKTON, CA

    I SMELLED FUEL IN MY GARAGE OCCASIONALLY FOR THE PAST 4 MONTHS. I ASSUMED IN WAS THE GAS HEATER BUT WHEN I PARK MY CAR IN OTHERS GARAGE I SMELLED FUEL. A FRIEND SUGGESTED IT MIGHT BE MY CAR. I TOOK MY CAR INTO SERVICE FOR MY 50K SERVICE AND ASKED IF THEY COULD LOOK INTO. MERCEDES BENZ INFORMED ME IT IS WET AROUND THE FUEL HOSE CONNECTOR. BEFORE I ONLY SMELLED IT TWICE A MONTH IN THE GARAGE. AFTER ONE I GOT IT BACK FROM SERVICE, I SMELLED FUEL INSIDE THE CAR WHILE I'M DRIVING.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - POTOMAC, MD

    THE FRONT DRIVERS SIDE SUSPENSION SQUEAKS WHEN WHEEL IS TURNED OR GOING OVER BUMPS. THIS CAR IS LESS THAN 5 YEARS OLD AND AROUND 50K MILES. I AM HOPEFUL THIS IS NOT A DANGEROUS FLAW IN THE SUSPENSION SYSTEM.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - ATLANTA, GA

    AT COLD START, ESPECIALLY WHEN THE HEATER IS ON, THE CABIN SMELLS OF RAW GASOLINE. THE ISSUE IS QUITE ANNOYING AND EXTREMELY DANGEROUS. AFTER PERFORMING A GOOGLE SEARCH ABOUT THE PROBLEM, I'VE NOTICED THAT OTHERS WHO OWN W205 HAVE EXPERIENCED THIS PROBLEM. THIS IS JUST ONE EXAMPLE OTHERS' COMPLAINTS: HTTP://M.CARCOMPLAINTS.COM/MERCEDES-BENZ/METRIS/2016/FUEL_SYSTEM/FUEL_PROPULSION_SYSTEM.SHTML

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - CIDRA, PR

    ENGINE BROKE A PISTON AT 53,000 MILES IN NORMAL USE. CAUSING MAJOR RUPTURE ON ENGINE.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - LAWRENCEVILLE, GA

    WHEN ACCELERATING WITH MY MERCEDES C300, THE CAR IS ACTUALLY LOOSING POWER. THE EFFECT IS REINFORCED AS THE CONTROLLING SYSTEM IS BLOCKING THE ACCELERATION. RESULT IS THAT THE CAR IS BRAKING SUDDENLY INSTEAD OF ACCELERATING. IT IS PARTICULARLY DANGEROUS WHEN TRYING TO PASS ANOTHER CAR ON THE HIGH WAY AS THE CAR WILL BRAKE. I ALMOST EXPERIENCED TWICE AN ACCIDENT ON THE HIGHWAY DUE TO THIS ACCELERATION/BAKE ISSUE. I BROUGHT MY CAR TO AN INDEPENDENT MERCEDES REPAIR CENTER. THEY CONFIRMED TO ME THAT MERCEDES ISSUED A TECHNICAL BULLETIN FOR AN ELECTRICAL CABLE REPLACEMENT DUE TO THAT FAILURE. THE ISSUE DESCRIBED ON THE TB IS IDENTICAL TO THE EXPERIENCE ISSUE. I CONTACTED MY MERCEDES DEALERSHIP SERVICE DEPARTMENT. THEY INFORMED ME THERE IS NO RECALL AND DON'T CONSIDER THIS ISSUE A SAFETY ISSUE. THEY WON'T REPLACE THE ELECTRICAL CABLE UNLESS I PAID FOR THE "SERVICE". THE CABLE HAS NOT BEEN DAMAGED OR DISCONNECTED. IT IS SIMPLY FAULTY AND MERCEDES KNOWS THE ISSUE AS THEY ISSUED A TB FOR THE VEHICLE.

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - CROMWELL, IN

    LOW PRESSURE FUEL LINE LEAK COULD CAUSE FIRE, FUEL SMELLS VERY STRONG IN THE CABIN I HAVE 2 2015S BOTH HAVE HAD THIS ISSUE ONE IS FROM CALIFORNIA SO IT NOT A SALT ISSUE. HAPPENS ON COLD START

    Source: NHTSA WEB SITE
  • 2015 MERCEDES-BENZ C300
    - CROMWELL, IN

    LOW PRESSURE FUEL LINE LEAK COULD CAUSE FIRE, FUEL SMELLS VERY STRONG IN THE CABIN I HAVE 2 2015S BOTH HAVE HAD THIS ISSUE ONE IS FROM CALIFORNIA SO IT NOT A SALT ISSUE. HAPPENS ON COLD START

    Source: NHTSA WEB SITE