Page 2 of 3 · complaints 51–100 of 101

2017 Mercedes-Benz GLC 300 complaints

Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2017 record →

Engine
Filed Oct 30, 2022IL

My car has P052E code with a message of Positive Crankcase Ventilation Regulator Valve Performance. My car mileage is only 13,700 as of today. I think this is a cause of a deflective part and this should be a recall item. FYI, Wen I contact a Mercedes dealership and they asked me a cost of $2,500 to fix this issue. Thank you,

Engine
Filed Oct 20, 202288,000 milesAL

The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while driving approximately 55 MPH, she detected white smoke coming from the tailpipes. There were no warning lights illuminated. The contact was able to pull over. The vehicle was towed to the local dealer who placed a camera inside the engine and noticed that the piston had fractured and detached inside the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was contacted but no additional assistance was provided. The approximate failure mileage was 88,000.

Fuel/Propulsion System
Filed Oct 8, 2022TN

Defective crackcase vent valve

Seat Belts
Filed Sep 30, 2022TX

While driving vehicle, the seat belt pretensioner is activated and the seat belt light and alarm is activated. This cycle occurs throughout the drive, regardless of speed. Seems as though the seat belt latch does not sense that the seat belt is activated. This is very distracting to the driver. We reported the issue to the dealership, but have not heard anything since the report. This problem occurs on and off, randomly. May occur for a week straight, then stop for a day or two, then start again.

Engine
Filed Sep 28, 2022NY

Engine light caused by Crankcase pressure sensor

Engine
Filed Sep 8, 2022TX

Catastrophic engine failure at 63,000 miles. Mechanic says its a known issue with this particular make and model of that year. Dealer says I need to replace the engine.

Unknown or Other
Filed Aug 27, 2022MA

The Crank Ventilation code is showing up for a code and this has been happening to all of these GLC coupes. The check engine light comes on.

Engine
Filed Jul 13, 2022CA

Getting error code P052e which has been a very common issue with these engines on Mercedes models. It does not affect driving but since it’s out of warranty, it will cost over $3,000 to repair. Mercedes knows this and included it on their extended warranty for Diesel engines, not gasoline.

Engine
Filed Jun 29, 2022CA

I was suggest by dealer to replace crank case vent value as its blocked and quoted $300 for part and 1800 for labor cost as they need to remove whole engine and replace part. Issue is how can mercedes benz design such engine with 6-7 hrs of labor intensive work and 6 times higher labor cost than part cost. I was told this work is necessary for engine efficiency and to pass SMOG test. I feel design issue is related to car / passenger safety and environment hazard. Also it looks like a very common recurring issue with mercedes models based google search. Added to it local dealer didnt find a problem when my car is under warranty or within service packages. Warranty completed and came up with these problems.

Electrical System
Filed Jun 27, 2022CA

I pressed the "Park" button, but the transmission did not go into park. When I let my foot off the break, thinking that I was in Park, the car started rolling backwards. Thank God my wife was in the car and noticed the motion and shouted to me to break the car. I was able to stop the car before hitting anybody or anything, but it was dangerously scary.

Seat Belts
Filed Jun 23, 2022AL

WHILH E DRIVING WITH A PASSANGER IN THE FRONT SEAT, AND PROPERLY BUCKELED UP. THE PASSENGER SEAT BELT WILL RANDOMLY TIGHTEN UP AND THE SEAT BELT LIGHT WILL FLASH ON THE DASHBOARD AND THE SEAT BELT AUDIBLE BELL WILL SOUND, THIS WILL LAST FOR A FEW MINUTES AND THEN STOP FOR A FEW MINUTES THEN START AGAIN. I WENT TO THE DEALER AND GOT THE EARLIEST APPOINTMENT TO GET IT FIXED WHICH IS OVER 30 DAYS AWAY (7-26-22), I ASKED WAS IT STILL SAFE TO DRIVE THE SUV AND WAS TOLD TMHEY BELIVED IT WAS OK BECAUSE IT SOUNDED LIKE A SEATBELT LATCH ISSUE, I HAVE DISCIVERED THERE IS A RECALL FOR THIS PROBLEM BUT NOT MY MODEL YEAR

Unknown or Other
Filed Jun 20, 2022AR

I got the P052E error at about 50k miles. Many GLC 300s apparently have this issue. I need a new crank case valve I believe and they put the part in a terrible place. Dealers charging over $1k in just labor.

Unknown or Other
Filed Jun 9, 2022VA

Crankcase ventilation valve replacement required confirmed by the dealer. check engine light came on as notification. It appears to be a very standard problem on the the glc300 when they hit 60,000 miles and are out of warranty. $2000 repair

Visibility
Filed Jun 2, 202268,000 milesNJ

The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while driving at an undisclosed speed, the front roof panel between the windshield and sunroof detached from the vehicle. The vehicle was not taken to the dealer and was not repaired. The contact became aware of NHTSA Campaign Number: 17V715000 (Visibility) however, the VIN was not included. The manufacturer was made aware of the failure. The approximate failure mileage was 68,000. Warranty on the car has expired and was told consumer would have to pay for it. Rep said she would talk to other people to see what can be done but she is not making any promises.

Engine
Filed Jun 1, 2022CA

Was driving on the freeway car started to shake. Speed dropped from 73 to 40 I was thankfully able to merge off the freeway. I stoped to see if there was any visible damage. Everything look normal. Was able to make it home. Husband changed spark plugs and coils. Also bought another small part nothing fixed it. Took it to two different auto shops one being Mercedes. They both confirmed it's a blown engine at 47,000 miles. Unbelievable.

Fuel/Propulsion System
Filed Feb 25, 2022LA

The fuel line leaks directly under the driver seat. Filling the cabin with fuel vapors. Mercedes has an extended warranty for this problem but only on vehicles from 2004 to 2009.

Fuel/Propulsion System
Filed Feb 21, 2022NC

P052E code, Positive Crankcase Ventilation Regulator Valve failed. It is a known issue by Mercedes Benz on its 2016 and newer C-Class and GLC class vehicles. The valve is clearly a manufacturer defect that is burdensome to the consumer as the part is located near the engine mount and prohibitively expensive to fix due to per hour labor rates. Hundreds if not thousands of consumers have been affected through no fault of their own.

Engine
Filed Jan 25, 2022CA

Driving car and engine failed, #1 piston crack, turbo metal filings ruined it also, very expensive repair. both engine and turbo had to be replaced by mercedes benz service. many others are reporting this also, catastrophic failure at speed possible - not known if any fatalities associates with these engines (on both c300 and glc300 circa 2015 to ~2018)

Steering
Filed Dec 11, 2021NY

The steering column has stopped moving up/down. I guess due to some latency build up (after having tried to adjust the steering a few times prior to the drive) caused the steering to move down (one time incident) while driving and caused momentary loss of steering control due to slippage and had to pull over to the shoulder of the freeway. While this was a one time incident it could become a safety issue...this seems to be a rampant issue (up/down movement getting jammed) on all MB vehicles and anything related to critical vehicular controls should be flagged as such.

Unknown or Other
Filed Jul 26, 2021PA

Check engine light appears, car runs fine. the crankcase vent value was broken on our 2017 GLC300 car. a mechanic, with a computer, ran the codes and shared this happens many times to this car. the service advisor at mercedes shared the same input. happens all the time and should be covered under emissions warranty but isn't. this disfunction does not affect driving of car, just emission and (sales pitch to fix it) "could" affect engine in long term. i suspect this is a defective piece in the system that mercedes won't address or cover under emissions warranty.

Engine
Filed Jun 4, 2021TX

2017 MERCEDES BENZ GLC 300. CONSUMER WRITES IN REGARDS TO ENGINE MISFIRE, SPARK PLUGS AND CYLINDERS. THE CONSUMER STATED THE ENGINE HAS BEEN REBUILT TWICE BUT, THE FAILURE PERSISTED. THE CHECK ENGINE LIGHT WAS ILLUMINATED.

Engine
Filed May 18, 2021CA

What component or system failed or malfunctioned, and is it available for inspection upon request? Car is at Mercedes dealer for repair. How was your safety or the safety of others put at risk? Yes, car lost acceleration on freeway and put other drivers at risk on the road. Lucky to get off freeway and pull over without any injuries. Has the problem been reproduced or confirmed by a dealer or independent service center? Dealer provided feedback cracked piston, cylinder # 2. Reading on forums, others continue to have the same issue. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Inspected by Mercedes bens manufacturer. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? in retrospect, some slow acceleration delays 1-2 days prior, but not consistent.

Fuel/Propulsion System
Filed May 1, 202146,000 milesOH

WHILE DRIVING, THE MALFUNCTION INDICATOR LAMP (MIL/CHECK ENGINE LIGHT) CAME ON. AFTER SOME DIGGING THIS WAS CAUSED BY AN OBD II CODE OF P052E, WHICH INDICATES A BLOCKED CRANKCASE VENT VALVE ACTUATOR. THIS APPEARS TO BE A MANUFACTURING DEFECT IN THESE VEHICLES.

Fuel/Propulsion System
Filed Apr 28, 202135,300 milesOR

SMELLS LIKE GAS COMING THROUGH THE VENTS INTO THE CABIN OF THE VEHICLE AND CAUSES HEADACHES

Engine
Filed Feb 24, 202160,000 milesPA

1. CRANKCASE VENTILATION VALVE PERFORMANCE FAILED CHECK ENGINE LIGHT IS ON WHILE DRIVING 2. SMELLS GAS FROM UNDER THE HOOD. HEARD IT'S COMMON PROBLEMS

Air Bags › Frontal › Driver Clockspring/Spiral Cassette
Filed Feb 10, 202160,000 milesMA

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT STATED WHILE ATTEMPTING TO MAKE A U-TURN, SHE HEARD AN ABNORMAL SOUND. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THE FOLLOWING DAY, SHE NOTICED THE STEERING WHEEL FEATURES INCLUDING THE HORN AND AIR BAG WERE INOPERABLE. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER HOFFMAN LEXUS (750 CONNECTICUT BLVD, EAST HARTFORD, CT 06108, (860) 525-3987) AND THE DEALER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER NEW COUNTRY MERCEDES-BENZ (1 WESTON ST, HARTFORD, CT 06120, (860) 278-2000) WHERE IT WAS DIAGNOSED WITH NEEDING THE CLOCK SPRING TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED AS OF YET. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000.

Air BagsCrash1 injured
Filed Jul 8, 202025,000 milesAL

TL* THE CONTACT OWNS A 2017 MERCEDES BENZ GLC300. THE CONTACT STATED THAT WHILE HIS WIFE WAS DRIVING APPROXIMATELY 40 MPH, THE VEHICLE CRASHED INTO A 2ND VEHICLE. DURING THE CRASH THE FRONT END WAS SEVERELY DAMAGED BUT THE AIR BAGS DID NOT DEPLOY. ALSO, THE COLLISION AVOIDANCE SYSTEM MALFUNCTIONED AND DID NOT STOP THE VEHICLE TO AVOID THE COLLISION. THE DRIVER SUSTAINED BRUISES TO THE TORSO AREA WHICH REQUIRED MEDICAL TREATMENT. AN OCCUPANT FROM THE 2ND VEHICLE WAS TRANSPORTED TO THE HOSPITAL BY AMBULANCE. NO FURTHER INFORMATION WAS AVAILABLE. A POLICE REPORT WAS TAKEN AT THE SCENE AND THE VEHICLE WAS TOWED AWAY. THE LOCAL DEALER MERCEDES BENZ OF HUNTSVILLE (6220 UNIVERSITY DR. HUNTSVILLE, AL) AND THE MANUFACTURER WERE NOTIFIED OF THE INCIDENT. THE CAUSE OF THE FAILURES WERE NOT DETERMINED. THE FAILURE MILEAGE WAS 25,000.

Steering
Filed May 2, 202026,000 milesOH

TRAVELING 60 MPH ON INTERSTATE, WHEN STEERING WHEEL JERKED TO THE RIGHT AND THEN LEFT, BRAKES AUTOMATICALLY ACTIVATED, AND SEAT BELT TIGHTENED. LASTED FOR APPROXIMATELY 3 MILES, THEN JERKING STOPPED. WITHIN ANOTHER 30 MILES HAPPENED 3 MORE TIMES. EACH TIME AN ALERT APPEARED ON DISPLAY 'BLIND SPOT ASSIST IS DEACTIVATED, NOT OPERATIONAL'. STOPPED AND HAD CAR WASHED TO REMOVE ANY DEBRIS FROM SENSORS, BUT PROBLEM PERSISTED. HAPPENED AGAIN TODAY, 5/2, AT 45 MPH ON PUBLIC HIGHWAY. CRUISE CONTROL WAS NOT ENGAGED WHEN THESE INSTANCES OCCURRED. TERRIFYING! I HAD TO FIGHT THE WHEEL TO KEEP CONTROL.

Service Brakes
Filed Dec 22, 20187,500 milesID

BOUGHT CAR 3 DAYS AGO AND BRAKES SQUEAL UPON BACKING OUT OF GARAGE AND SOMETIMES APPLYING WHEN STOPPING! SPECIFICALLY ASKED SALESMAN IF MERCEDES HAD PROBLEMS WITH BRAKES MAKING NOISE AS WE WENT THROUGH THIS WITH A VW TOUREG AND WAS TOLD NO THEY DO NOT HAVE THIS PROBLEM. CALLED SALESPERSON TODAY AND WAS INFORMED NOW THAT THEY ARE AWARE OF THIS ISSUE AND ITS NORMAL AND SHOULD ONLY HAPPEN WHEN CAR HAS BEEN SITTING AND ITS COLD OR THEY GOT WET. TOLD IF IT GOES MORE TIMES THAN THAT BRING INTO SERVICE???? VERY DISAPPOINTED WE WERE BOLD FACTLY LIED TO AND NOW HAVE ANOTHER CAR THAT APPEARS TO HAVE BRAKE NOISE ISSUES.

Air Bags
Filed Nov 15, 201812 milesTX

WHEN THE VEHICLE IS IN MOTION, OR STILL, THE DRIVER'S SIDE COVER FOR THE SEATBELT/AIRBAG WILL NOT STAY ATTACHED. THIS IS LOCATED ON THE DRIVER'S SEAT AND IS VISIBLE WHEN ENTERING AND EXITING THE CAR. I AM NOT REALLY CONCERNED ABOUT THE COSMETIC ISSUE AS MUCH AS THE SAFETY ISSUE. WITH THE SIDE IMPACT AIRBAGS, THIS IS A SAFETY HAZARD. IF THE BAG DEPLOYS WHO KNOWS WHAT WILL HAPPEN TO THE FLOATING PART? WILL THE AIRBAG, OR SEATBELT EVEN DEPLOY, OR WORK AS IT SHOULD? THIS IS ALSO A SAFETY ISSUE BECAUSE YOU CAN BE INJURED BY THE HARD PLASTIC THAT IS HANGING THERE. THE PIECE CAN ALSO GET CAUGHT UNDER OUR FEET WHILE DRIVING AS IT DOES NOT STAY IN PLACE. I REPORTED THIS THE 3RD DAY AND HAD IT REPAIRED 3 OTHER TIMES. I HAVE HAD MY CAR AND IT HAS BEEN IN PLACE ONLY 5 DAYS IN 2 YEARS, 2 MONTHS AND 30 DAYS. THE NEW LOANER THEY GAVE ME HAD THE SAME ISSUE AND THE PORTERS REPORT THEY NEVER STAY ON. THE CAR WAS IN FOR SERVICE FOR THIS ISSUE 4 TIMES IN THE FIRST 20 MONTHS I OWNED IT. IT COULD HAVE BEEN WEEKLY IF I WOULD HAVE NOT JUST LIVED WITH IT IN BETWEEN SERVICES THAT WERE NEEDED AND TAKEN IT IN AGAIN FOR SERVICE AND THE ISSUE.

Electrical System
Filed Oct 29, 201811,000 milesNY

VEHICLE SHUT OFF ON BUSY HIGHWAY. ENGINE SHUT OFF. ELECTRICAL/ COMPUTER SYSTEM MALFUNCITONED. VEHICLE WOULD NOT START BACK UP AGAIN

Electronic Stability Control (esc)Crash
Filed Jul 18, 20186,500 milesCA

对不起我说中文, 我的英语不好 我这辆车有安全辅组问题 有一次突然发动机熄火然后静止了几秒 然后我又从新启动,还有发动机有噪音,我已经拿去4S店维修了4次 还是问题重复出现。我现在不想浪费时间去4S 点了 每次都要浪费我很久的时间。 MANUFACTURER RECALL NUMBER2018030012 NHTSA RECALL NUMBER18V177 RECALL STATUSRECALL INCOMPLETE

Visibility/Wiper
Filed May 30, 2018500 milesFL

WINDSHIELD WIPERS STUTTER ON WINDSHIELD AND MALFUNCTION. THIS JITTERING ACROSS THE WINDSHIELD IMPAIRS VISIBILITY. WINDSHIELD IS NOT KEPT CLEAR, EVEN WITH NEW BLADES. WINDSHIELD CLEANERS ALSO PLUG UP CONTINUALLY MAKING WASHING THE WINDSHIELD WHILE DRIVING IN AREAS WHICH CREATE VISIBILITY PROBLEMS DUE TO DUST, BUGS, ETC....IMPOSSIBLE -- EVEN IF CLEANER FLUID TANK IS FULL. THE ENTIRE SYSTEM IS AN ISSUE. MERCEDES KNOWS THIS IS A PROBLEM. THE SUV HAS BEEN IN FOR REPAIR 4 TIMES SINCE PURCHASING LAST OCTOBER. THEY HAVE REPLACED IT EACH TIME, SAY THEY KNOW THERE IS A PROBLEM, AND SAY THEY WILL NOT REPLACE IT AGAIN. THEY SAY THAT NON-MERCEDES WINDSHIELD WIPER FLUID IS A PROBLEM (BUT THE FIRST 3 TIMES, THE FLUID WAS ORIGINAL MERCEDES FLUID). THEY SAY PUTTING THE VEHICLE IN A CAR WASH IS PROHIBITED -- A RIDICULOUS COMMENT. WHO DOESN'T PUT THEIR SUV IN A CAR WASH? THE MECHANISM IS FAULTY AND MERCEDES WON'T TAKE RESPONSABILITY AND IT IS A SAFETY PROBLEM.

Exterior Lighting
Filed Mar 13, 20185,700 milesFL

THE THREE LEVERS LEFT OF THE STEERING WHEEL CONTROLLING WIPERS (BOTH FRONT AND REAR) ADJUSTMENT OF THE STEERING WHEEL, AND CRUISE CONTROLS DO NOT ILLUMINATE IN THE DARK/EVENING. AS A RESULT, THE DRIVER IS DISTRACTED FROM VIEWING THE ROAD AHEAD IN AN ATTEMPT TO IDENTIFY THE NEEDED ACTIONS FOR OPERATION. THE DEALERSHIP STATES THAT MY VEHICLE IS MADE THIS WAY.

EngineFire
Filed Mar 8, 20189,000 milesCA

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. WHILE PARKED IN THE DRIVEWAY, THE VEHICLE CAUGHT FIRE. THE FAILURE WAS DUE TO A MANUFACTURER DEFECT. THERE WERE NO INJURIES. THE FIRE DEPARTMENT WAS CONTACTED. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT TOWED. AN UNKNOWN DEALER LOCATION WAS CONTACTED, BUT THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 9,000.

SteeringCrash1 injured
Filed Mar 5, 20181,000 milesMD

TL* THE CONTACT OWNED A 2017 MERCEDES-BENZ GLC300. WHILE DRIVING BELOW 40 MPH, THE VEHICLE VEERED TO THE LEFT AND CRASHED INTO A TREE. THE CONTACT DID NOT NOTICE IF THERE WERE ANY WARNING INDICATORS ILLUMINATED BEFORE OR AFTER THE CRASH. THE AIR BAGS DEPLOYED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC. THE CONTACT WAS INJURED AND REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS DEEMED TOTALED BY THE INSURANCE COMPANY; THEREFORE, THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED OF THE FAILURE. THERE WERE NO RECALLS ASSOCIATED WITH THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS LESS THAN 1,000.

Structure › Body
Filed Feb 6, 201823,000 milesNJ

EXPLODING PANORAMIC SUNROOF: WHILE DRIVING ABOUT 40MPH ON ROUTE 35SOUTH (MIDDLETOWN, NJ) IN 30 DEGREE WEATHER AT 7:30PM ON 5FEB2018 THE FORWARD PANEL OF THE PANORAMIC SUNROOF EXPLODED. THERE WERE NO OTHER CARS AROUND ME. IT WAS A LOUD POP EXPLOSION. THE SAFETY GLASS LOOKS PUSHED OUT AND GLASS STARTED TO FLY BEHIND THE CAR ONTO THE ROAD. I PULLED ONTO THE SHOULDER AND I CONTACTED MERCEDES HELP LINE FOR ASSISTANCE. THEY TOLD ME TO TAKE THE CAR TO THE NEAREST DEALER (MY LOCAL DEALER CONTEMPORARY MOTORS IN LITTLE SILVER, NJ). I DID A NIGHT DROP BOX DROP OFF. MERCEDES IS NOW ACCESSING THE ROOF.

Air Bags
Filed Jan 20, 20187,000 milesAR

REAR BRAKING SYSTEM. WHEN BACKING UP OR APPLYING PRESSURE TO THE BRAKES, THE VEHICLE IS SCREAMING A LOUD NOISE. TAKEN BY DEALERSHIP AT 7000 MILES 01/04/18 DEALERSHIP STATES THEY CAN'T FIX IT UNTIL THEY RECEIVE PARTS ,WITH THE TAKATA RECALL AND A FAULTY BRAKING SYSTEM, THIS IS A HIGHWAY SAFETY ISSUE.

Air Bags
Filed Jan 5, 2018PA

TL* TAKATA RECALL. THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V627000 (AIR BAGS). THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (KEENAN MOTORS, 3664 N EASTON RD, DOYLESTOWN, PA 18902) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS CONTACTED AT 770-705-0600, BUT THE CONTACT DID NOT RECEIVE A RESPONSE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

Air Bags
Filed Dec 11, 2017DC

TL* TAKATA RECALL. THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 17V627000 (AIR BAGS) EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE REPAIR. THE CONTACT RECEIVED THE RECALL NOTIFICATION IN OCTOBER OF 2017. THE DEALER (EURO MOTORCARS BETHESDA, 7020 ARLINGTON RD, BETHESDA, MD, 20814, 301-986-880) STATED THAT THE PARTS WERE UNAVAILABLE FOR THE REPAIR. THE MANUFACTURER CONFIRMED THAT THE PARTS WERE UNAVAILABLE FOR THE REPAIR. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

Unknown or Other
Filed Nov 5, 20174,000 milesMI

WHILE DRIVING ON THE I-75 NORTH, THE SUNROOF EXPLODED AS INDICATED IN THE PICTURE ATTACHED. IT IS STILL UNCLEAR IF THE SUNROOF SHATTERING WAS FROM A STRAY ROCK ON THE HIGHWAY, OR IF THE SUNROOF EXPLODED ON ITS OWN, HOWEVER MY CONCERN IS HOW THE SUNROOF SHATTERED AND THE QUALITY OF THE MATERIAL/GLASS USED. WHAT TYPE OF GLASS IS USED IN THIS VEHICLE FOR IT TO SHATTER AS IT DID? IS THIS PERHAPS A SIGN OF CHEAPER MATERIAL BEING USED ON THE SUNROOF. THERE ARE MORE PICS THAN CAN SHOW MORE OF THE DAMAGE.

Electrical System
Filed Oct 18, 20179,000 milesTX

VEHICLE KEY-LESS ENTRY LOCKED OUT THE DRIVER AND PASSENGER WITH KEYS INSIDE THE VEHICLE WHILE PARKED. TALKED TO OTHER MERCEDES GLC300 OWNERS AND THEY ARE EXPERIENCING SAME ISSUE. THIS HAPPENED LATE AT NIGHT WITH MY WIFE AND 7 YEAR OLD DAUGHTER IN A HIGH CRIME AREA WHILE I WAS OUT OF TOWN. MERCEDES ROADSIDE ASSISTANCE CHARGED US $99.95 TO UNLOCK VEHICLE. THIS IS A LIFE THREATENING DEFECT AND SHOULD BE ACKNOWLEDGED AND ADDRESSED BY MERCEDES IMMEDIATELY.

Unknown or Other
Filed Oct 16, 20174,900 milesAZ

WHILE DRIVING ON THE I-5 INTO DOWNTOWN SAN DIEGO WE HEARD A LOUD BAM, A MOMENT LATER HEARD CRACKING THEN SHATTERED GLASS FROM MY SUNROOF FELL INTO THE CAR. THERE WAS NO ONE DIRECTLY AROUND US.

Electrical System
Filed Aug 21, 2017CO

TL* THE CONTACT OWNS A 2017 MERCEDES BENZ GLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING) HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED WESTMINSTER MERCEDES BENZ DEALER, LOCATED ON 10391 WESTMINSTER BLVD, WESTMINSTER, CO 80020, WHERE IT WAS INFORMED THAT THE RECALL WAS PENDING AND THE REMEDY PART WAS NOT AVAILABLE FOR THE REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PART NOT AVAILABLE.

Electrical System
Filed Aug 9, 2017FL

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING). THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. ZT MOTORS IN FORT WALTON BEACH, FLORIDA WAS CONTACTED ABOUT THE RECALL TWICE AND STATED THAT THE PARTS WERE UNAVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

Electrical System
Filed Jul 24, 2017SC

TL* THE CONTACT OWNS A 2017 MERCEDES BENZ GLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING) HOWEVER, THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT HAD NOT EXPERIENCED ANY FAILURE. THE CONTACT CONTACTED THE MERECEDEZ BENZ OF FLORENCE DEALER WHO INFORMED THE CONTACT THAT THE PARTS FOR THE REPAIR WERE NOT AVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND INFORMED THE CONTACT THAT PARTS WERE NOT AVAILABLE AND THE VEHICLE WAS SAFE TO USE. VIN TOOL CONFIRMS REMEDY NOT YET AVAILABLE.

Electrical System
Filed Jul 14, 2017CA

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE CONTACT RECEIVED THE RECALL NOTIFICATION IN MARCH OF 2017. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

Electrical System
Filed Jun 20, 2017OR

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ GLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS UNABLE TO PROVIDE A SPECIFIC TIME FRAME FOR THE PARTS TO ARRIVE FOR THE RECALL REPAIR. THE DEALER WAS NOT CONTACTED THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 08/23/17*LJ *CN

Electrical SystemFire
Filed Apr 28, 20173,000 milesTX

THE ENGINE SUDDENLY WENT UP IN FLAMES WHILE DRIVING,MY WIFE SWITCHED OFF THE IGNITION AND GO OUT OF THE CAR. THERE WAS A BIG HOLE AND MERCEDES AUTHORIZED DEALER SIAD THIS IS A CATASTROPHIC EVENT. THIS CAR IS NEW PURCHASED ON OCTOBER 31ST 2016 MB SAYS THEY WILL REPLACE THE ENGINE AS IT IS IN WARRANTY, BUT SENTIMENTALLY WE ARE SO UPSET , IF THE FIRE WOULD HAVE CAUGHT ON TO GAS TANK. PLEASE SUGGEST. VEHICLE WAS IN MOTION AND SHE WAS DRIVING AT LESS THAN 30 MILES PER HOUR WHEN SHE NOTICED BURNING SMELL AND IMMEDITELY FUMES WERE COMING FROM THE AC VENTS. PLEASE SUGGEST OUR OPTIONS IN THIS CASE

Power Train
Filed Apr 11, 20177,500 milesIL

I HAVE EXPERIENCED RECURRENT BUT INTERMITTENT ISSUES WITH THE TRANSMISSION/ACCELERATION OF MY MERCEDES GLC 300 2017. TODAY, AFTER I WENT UP AND THEN DOWNHILL, THE CAR SLOWED DRAMATICALLY ON ITS OWN. WHEN I PUSHED THE GAS PEDAL TO THE FLOOR, THE CAR DID NOT RESPOND IMMEDIATELY. AFTER SEVERAL SECONDS, THE CAR STARTED TO ACCELERATE. IN THE MEANTIME, I WAS WORRIED I WOULD BE REAR-ENDED BY TRAFFIC BEHIND ME. I HAVE HAD SIMILAR PROBLEMS IN THIS SAME SPOT (WHICH I DRIVE NEARLY DAILY) IN THE PAST, SUGGESTING GOING OVER THE HILL HAS SOMETHING TO DO WITH IT (E.G., ONCE, IN THIS SPOT, WHEN MY DAUGHTER WAS IN THE CAR WITH ME, THE CAR JERKED SO STRONGLY WHEN IT STARTED TO GO THAT MY DAUGHTER THOUGH WE WERE INDEED REAR ENDED). ALTHOUGH THIS SPOT MOST OFTEN REVEALS THE PROBLEM, THE ISSUE HAS HAPPENED ON FLAT AREAS AS WELL. FOR INSTANCE, PULLING OUT OF A SHOPPING CENTER, I SIMILARLY FOUND THE ACCELERATOR NON RESPONSIVE. DRIVING MY DAUGHTER TO TENNIS ONE DAY, THE CAR REPEATEDLY JERKED DRAMATICALLY WHEN SHIFTING, PRIMARILY IN 2ND AND 3RD. GENERALLY, THE ISSUES SEEM TO HAPPEN MOST FREQUENTLY IN THESE GEARS. ALTHOUGH THE TRANSMISSION SEEMS TO CONSISTENTLY TAKE LONGER TO SHIFT IN THESE GEARS, THE MORE DRAMATIC PROBLEMS DO NOT HAPPEN DAILY, MAKING IT HARD TO TROUBLE SHOOT (WHEN I TOOK IT TO MY DEALER, THEY RAN THEIR COMPUTER TESTS, AND COULD NOT DETECT ANY PROBLEMS). I AM WORRIED, THOUGH, THAT I WILL EVENTUALLY BE REAR ENDED OR OTHERWISE HAVE THIS PROBLEM LEAD TO AN ACCIDENT. I HAVE SEEN SOME OTHE

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NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.

Full record for the 2017 Mercedes-Benz GLC 300 → · Every GLC 300 year → · How the figures are calculated →