2017 MERCEDES-BENZ GLS450 Complaints

View complaints related to 2017 MERCEDES-BENZ GLS450. The complaints found here are submitted by actual consumers with first hand experience. There are more than 40 complaints submitted for the 2017 MERCEDES-BENZ GLS450. 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.

  • 2017 MERCEDES-BENZ GLS450
    - FARGO, ND

    TL* THE CONTACT OWNED A 2017 MERCEDES-BENZ GLS450. AFTER THE VEHICLE WAS PARKED FOR APPROXIMATELY 30 SECONDS, IT CAUGHT FIRE. PRIOR TO THE FAILURE, THE CONTACT NOTICED THAT THE CUP HOLDER AND ARMREST CONSOLE WERE HOT. THE CONTACT NOTICED AN ODOR OF BURNING RUBBER IN THE VEHICLE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A FIRE REPORT WAS FILED. THE VEHICLE WAS DESTROYED, TOWED, AND QUARANTINED AT THE INSURANCE COMPANY'S IMPOUND LOT. VALLEY IMPORTS (LOCATED AT 402 40TH ST S, FARGO, ND 58103, (888) 929-9843) AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE. THE CAUSE OF THE FIRE WAS NOT DETERMINED. THE APPROXIMATE FAILURE MILEAGE WAS 40,000. *TT THE CONSUMER STATED THE FIRE DEPT DETERMINED IT TO BE A LEAKY HOT LIQUID. *TR

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2017 MERCEDES-BENZ GLS450
    - HIGHLANDS RANCH, CO

    AFTER OWNING THE VEHICLE FOR MORE THAN 2 YEARS, THE REAR TAILGATE OPENED BY ITSELF 3 TIMES IN 8 DAYS. THE FIRST TIME, THE VEHICLE WAS PARKED IN OUR HOME GARAGE. THE SECOND TIME, WE WERE TRAVELING ON A CITIY STREET WHEN THE TAILGATE JUST POPPED OPEN ON ITS OWN. THE THIRD TIME, WHEN EXITING A PARKING GARAGE WITH A LOW ROOF, IT OPENED BY ITSELF, STRIKING THE LOW OVERHANG IN THE GARAGE. THIS TIME, THE GLASS WAS BROKEN AND THE BODY DAMAGED. THE FIRST INCIDENT OCCURRED WHEN THE VEHICLE WAS PARKED. THE SECOND INCIDENT, THE VEHICLE WAS MOVING AT 35 MPH. THE THIRD INCIDENT, THE VEHICLE WAS MOVING AT ABOUT 5 MPH.

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - LONDONDERRY, NH

    I'VE GONE THROUGH 3 SETS OF TIRES THAT THE REAR 2 TIRES ARE ALWAYS BALD FIRST. I'VE HAD THE ORIGINALS BALD, THEN THE SNOW PIRELLI AND NOW THE MICHELIN. IS THERE A KNOWN ISSUE OR RECALL WITH THE 2017 GLS 450?

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - LOS ANGELES, CA

    ON FRIDAY 11/30 MY 2017 MERCEDES GL450 SUFFERED A CATASTROPHIC ELECTRONIC MALFUNCTION THAT LED TO A) NO ABILITY TO GET CAR OUT OF DRIVE (E.G. WOULDN'T PARK, REVERSE, COULDN'T TAKE MY FOOT OFF THE BRAKE), B) NO ABILITY TO TURN CAR OFF, C) POWER STEERING WENT OUT, D) AIRBAGS FLAGGED AS INACTIVE, E) MOST ALL MY DASHBOARD WARNING LIGHTS WENT ON INCLUDING ONE THAT SAID "MALFUNCTION", F) MY DASHBOARD GAUGES FAILED (E.G. NO WORKING ODOMETER), G) THE REAR HATCH COULDN'T OPEN. THIS HAPPENED WHILE DRIVING MY FAMILY -- INCLUDING 2 YOUNG CHILDREN -- THROUGH THE DESERT, PUTTING US AT VERY GREAT RISK. MY CAR IS BEING SERVICED AT MB OF VALENCIA (THE CLOSEST ONE I COULD DRIVE TO). I'M BEING TOLD BY THEM THAT A MINOR, LOW-SPEED AND LOW-IMPACT DENT IN MY REAR BUMPER CAUSED A MISALIGNMENT IN MY EXHAUST, WHICH BLEW HOT AIR INTO THE BUMPER AND CAUSED THE BLIND SPOT ASSIST TO MELT. THIS SEEMS LIKE A MAJOR DESIGN FLAW -- THAT A SMALL MISALIGNMENT COULD CAUSE A SEVERE AND LIFE-THREATENING CASCADING SYSTEM MALFUNCTION IF LEFT UNTREATED, AND THAT I HAD NO WARNING OF ANY KIND THAT WHAT APPEARED TO BE A MINOR DENT WAS A MAJOR ISSUE. I WANT TO KNOW IF OTHERS HAVE HAD THIS HAPPEN, AND IF THIS WARRANTS INITIATING A RECALL INVESTIGATION. MY INSURANCE COMPANY IS TAKING PHOTOS AND WRITING UP FINDINGS. I'LL PROVIDE THEM ON REQUEST.

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - MULLICA HILL, NJ

    ROAD VISIBILITY IS POOR WITH LOW BEAM LIGHTING ON NORMAL WEATHER CONDITION DURING NIGHTTIME. IT INCREASES DANGER WHEN IT RAINS AND/OR FOGGY WEATHER DURING NIGHTTIME.VISITED DEALERSHIP AND BROUGHT UP ISSUES, BUT MBENZ CAN'T FIX IT SINCE IT PASSES ITS STANDARD. NHTSA, PLEASE DO MORE RESEARCH ON THIS ISSUE PROACTIVELY FOR SAFETY. I BELIEVE ITS A SERIOUS PROBLEM. THIS BIG LUXURY TRUCK MOSTLY USE BY FAMILIES. KEEP THEM SAFE!

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - EAST GRANBY, CT

    MY 2017 MERCEDES BENZ GLS 450 HAS STANDARD HALOGEN LIGHTING FROM THE FACTORY. IT HAS VERY POOR VISIBILITY IN RAINY,FOG CONDITIONS. ALSO VERY POOR VISIBILITY IN URBAN AREAS WHERE THERE IS PARTIAL STREET LIGHTING. THE LOW BEAN HEADLIGHTS ARE TOO DIM TO SEE INFRONT OF VEHICLE. THIS IS VERY BIG SUV AND FEEL IT IS SAFETY HAZARD TO DRIVE WITH THE STANDARD LIGHTING.

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - MELBOURNE BEACH, FL

    WHEN IN DISTRONIC+ WHICH INCLUDES LANE KEEPING ASSIST, MY CAR SWERVES SHARPLY OUT OF ITS LANE FOR NO APPARENT REASON WHICH, WHILE INFREQUENT, COULD CAUSE AN ACCIDENT. I HAVE TAKEN MY CAR TO THE LOCAL DEALER RESULTING IN NO CAUSE IDENTIFICATION AND HAVE PROVIDED AN EMAIL TO MERCEDES CUSTOMER SERVICE WITH NO RESPONSE YET. I PREVIOUSLY SPOKE TO MERCEDES CUSTOMER SERVICE ON THE PHONE AND THEY SUGGESTED TAKING IT BACK TO THE DEALER. THANKS FOR YOUR HELP IN ADDRESSING THIS MATTER. THE DATE I SELECTED BELOW THE LAST TIME THE PROBLEM OCCURRED ON US 192 IN MELBOURNE FL. THE EMAIL TO MERCEDES IS ATTACHED AS A PDF FILE. THE DATE I ENTERED BELOW IS THE LAST TIME THE PROBLEM OCCURRED THANK YOU FOR YOUR HELP.,

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - JAMESTOWN, NC

    THE STANDARD HEADLIGHTS ARE EXTREMELY DIM AND UNSUITABLE FOR NIGHTTIME DRIVING. THEY HAVE A BRIGHTNESS ROUGHLY EQUIVALENT TO PARKING LIGHTS. THIS IS A PROBLEM KNOWN TO MERCEDES ACCORDING TO MANY ONLINE BOARDS. MY VEHICLE IS UNSAFE FOR NIGHT DRIVING AND NEEDS TO BE RETROFITTED WITH SOME USABLE HEADLIGHTS. VISIBILITY IS ONLY ABOUT 10 FEET IN FRONT OF THE CAR WHICH IS UNACCEPTABLE FOR HIGHWAY DRIVING.

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - NEENAH, WI

    I BOUGHT 2017 GLS 450 IN JULY LAST YEAR 2016.THE PASSENGER SEAT DOES NOT MOVE PROPERLY FORWARD AND BACKWARD.AFTER THE INITIAL REVIEW THE DEALER TOLD ME IT WAS EXTERNAL INFLUENCE THAT CREATED THE PROBLEM. THE MOTOR IS UNDER THE SEAT IN THE MIDDLE OF THE SEAT. IN NO WAY IT COULD BE EXTERNAL PROBLEM. THE SEAT WILL NOT MOVE IN THE EVENT OF ACCIDENT AND THERE COULD BE NO DEPLOY OF THE AIRBAG DUE TO MALFUNCTION OF SEAT.I M JUST WORRIED OF THE SAFETY OF THE FAMILY. PLEASE CAN U CHECK IN THIS MATTER THANKS.

    Source: NHTSA WEB SITE
  • 2017 MERCEDES-BENZ GLS450
    - ORADELL, NJ

    REAR WINDOW FRACTURED WHILE AT A TRAFFIC LIGHT WITH NO OTHER CARS AROUND OR PEOPLE. OCCURRED ON A COUNTY ROAD.

    Source: NHTSA WEB SITE