Oct 29, 2025EngineFuel system
P052e common crankcase ventilator issue mercedez extended warranty for later models for this same consistent issue in all the cars excluding 2014 starting at 2015 vehicles making us pay over $2000 for a fix supposed to be free being that it's all mercedes even the year before Should be a recall along with the hundreds of thousands of people with same issue online same car.
NHTSA ODI 11696266
Jan 28, 2025EngineFuel system
Check engine code p052e - PCV valve replacement (Crankcase Ventilation valve) - common issue on car and known recall for other models
NHTSA ODI 11639110
Oct 1, 2024Electrical systemEngineFuel system
.I PURCHASED BRAND NEW VEHICLE FROM CARMAX OF OAKLAWN , WHO IMPORTED THE VEHICLE FROM NAPERVILLE IL IT CAME WITH 90 DAY GAURANTEE OR MONEY BACK.I THEN DROVE TO FLORIDA 2 WEEKS AFTER PURCHASE OF THE VEHICLE OF WHICH MY BOYFRIEND [XXX] AT THE TIME CAN ATTEST THE VEHICLE DROVE AMAZING.UPON MY ARRIVAL I WAS HAVING ELECTRICAL ISSUES WITH THE ECO DRIVE AND THE COMPUTER CODED AND DISAPPEARED 3 TIMES. I CONTACTED CARMAX 800 NUMBER THEY ADVISED ME TO BRING IT TO THE DAYTONA BEACH AUTOMALL CARMAX WHO THEN REF ME TO THE DAYTONA AUTOMALL MERCEDES BENZ DEALER TO BE SERVICED. MERCEDES SERV REP "SAID WE DONT DEAL WITH CARMAX" AND SENT ME BACK TO CARMAX AFTER MY SERV REP INSTRUCTED ME TO BRING THE VEHICLE THERE. SO THEN I WENT TO CARMAX WHO THEN DELIVERED THE VEHICLE TO MERCEDES BENZ OF DAYTONA. I WAS GIVEN A LOANER VEHICLE OF WHICH MY PERSONAL ITEMS DISAPEARED FROM "CONVIENTLY LEGAL DOCUMENTS AND FILES" THEY REPLACED BOTH BATTERIES IN THE VEHICLE AND (4)TIRES CLAIMING IT WOULD FIX THE PROB . SOON AS I PICKED UP THE VEHICLE I INFORMED THEM THAT IT WAS NOT RIGHT AND NEEDED THE ADVISOR TO CONTACT ME ASAP. I CONTINUED TO HAVE MULTIPLE ELECTRICAL, FUEL AND COMPUTER INDICATIONS. THE VEHICLE IS NOT THE SAME CAR. I ALSO COMPARED MY VIN NUMBER THROUGH MERCEDES AND EXPRESSED A DIFFERENT MODEL OF VEHICLE. THEY CLAIMED THAT IT WAS DO TO SYSTEM BEING OUTDATED AND THAT THERE IS NO UPDATE FOR IT. SO WHY DO MY EMERGENCY SAFETY ITEMS SHOW AN ELECTRIC CAR ? DIFFERENT MODEL THE CAR STATES ITS A CLA 45 AMG. FUEL BURNS VERY QUICKLY ENGINE IS LOUDER AND I AM NOTICING A GRAYING IN MY HANDS AFTER EXCESS DRIVING ALMOST LIKE BLISTERING , THE ENGINE SOUND IS NOT CORRECT AND THE COMPUTER KEEPS JUMPING HUNDREDS OF MILES SAYING ITS OVER THE PACKAGE IN AN EXCESS OF 200 MILES PER DAY AT TIMES . TPM SYSTEM IS NOT WORKING CORRECTLY. MILEAGE IS NOT RECORDING ACCURATELY, PASS AIR BAG SAFETY GOES OFF, OF WHICH I ADDRESED THE POSS RECALL I FOUND. THEY REFUSED TO SPEAK WITH ME OR RETURN CALLS. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI 11617435
Oct 1, 2024Electrical systemFuel system
VEHICLE APPEARS TO BE A DIFFERENT VEHICLE OR POSSIBLY A CLONED VEHICLE ACCORDING TO FBI RECORDS . SAFETY DOES NOT MATCH UP NOR SPECS WITH THE VEHICLES VIN REPORT OR CARFAX . POSSIBLY A DUPED VEHICLE. CLAIMS REAR CAM NO CAMERA SPECS SHOW VEHICLE TO BE ELECTRIC OR BLUE LIQUID PROPELED . APP DO NOT WORK SAT SAYS ITS CONNECTED TO THE VEHICLE BUT NOT THIS ONE.
NHTSA ODI 11617443
Nov 12, 2020Fuel system
STRONG GASOLINE ODOR INSIDE THE CAR. DEALER REMOVED THE REAR SEAT. REMOVED LEFT AND RIGHT FUEL TANK ACCESS COVERS. FOUND SUCTION JET PUMP AREA WET WITH GASOLINE. FOUND THE FUEL SENDING UNIT LEFT SIDE CRACKED AND LEAKING. THEY RECOMMENDED REPLACING SUCTION JET PUMP AND AUXILIARY PUMP COSTING $1,571.00. THE SMELL IS CONSTANT WHETHER MOVING OR NOT AND REGARDLESS OF LOCATION. I COUGH WHEN DRIVING THE CAR HENCE I SELDOM USE IT. IF I CAN NOT AVOID USING THE CAR I OPEN ALL WINDOWS AND TELL ANY PASSENGER TO AVOID SMOKING TO PREVENT FIRE. I STARTED TO NOTICE THIS ISSUE MID AUGUST 2020.
NHTSA ODI 11374400
Sep 23, 2020SeatsFuel system
WHEN THE CAR IS IN IDLE AND IN MOTION, THE CABIN OF THE VEHICLE FILLS WITH A SMELL OF FUEL, AND IT WAS ALSO DISCOVERED THAT THE CAR ALSO HAS BEGAN LEAKING FROM THE FUEL TANK LOCATED UNDERNEATH THE REAR SEATS.
NHTSA ODI 11360706
Jul 20, 2020Transmission & drivetrainEngineFuel systemCrash1 injury
ON THIS DAY, I WAS NEARLY KILLED IN MY 2014 MERCEDES CLA250 4MATIC THAT STALLED ON A HIGHWAY IN NEW YORK CITY. THE CAR HAS ROUGHLY 40,300 MILES ON THE ODOMETER. I WAS DRIVING ON THE BROOKLYN QUEENS EXPRESSWAY AT 4:00AM. THE CAR'S MOTOR STALLED AND THE CAR CAME TO A STOP IN THE LEFT LANE. THERE WERE NO SHOULDERS. I ATTEMPTED TO GET THE CAR RESTARTED BUT ALL I GOT WERE FLASHING DASHBOARD LIGHTS. I ATTEMPTED TO PUT UP A WARNING TRIANGLE TO THE REAR OF THE CAR, BUT THE TRAFFIC WAS MOVING TOO QUICKLY FOR ME TO SAFELY DO THAT. I SAT IN MY CAR AND BUCKLED MY SEAT BELT. I CALLED 911 TO ANNOUNCE MY EMERGENCY AND I CONTACTED MY CAR'S INSURER FOR A TOW TRUCK (THEY PROVIDE SUCH A SERVICE). WITHIN MOMENTS, A TOYOTA WITH TLC PLATES SMASHED INTO MY CAR SENDING ME INTO THE BARRIER. THE REAR OF THE CAR WAS BROKEN AND DEFORMED. THE FRONT OF THE CAR IS OKAY, BUT THE APPEARANCE OF THE REAR IS SUCH THAT I BELIEVE I LOST MY CAR. I READ ONLINE THAT THIS MODEL HAS A STALLING PROBLEM AND THAT OTHERS HAVE GONE THROUGH THIS. I WAS ONE OF THE UNLUCKY OWNERS AND I WILL BE SUING. THIS CAR'S AIRBAGS DID NOT DEPLOY AND I AM INJURED AND BEING TREATED IN A HOSPITAL.
NHTSA ODI 11340450
Dec 6, 2018Speed controlElectronic Stability Control (esc)Fuel system
WHILE DRIVING AT NORMAL STREET SPEED "COLLISION PREVENTION ASSIST INOPERATIVE" DISPLAYED AND CAR WOULD NOT ACCELERATE. I WAS IN TRAFFIC, BUT WAS ABLE TO EXIT AND PULL OVER AND PARK, TURNED CAR OFF, & BACK ON. DISPLAY RESET AND CAR NORMAL. TOOK TO DEALERSHIP IMMEDIATELY-REPAIR WAS "NON CONNECTING PINS". TOO EARLY TO TELL IF THIS SOLVES. UPON INVESTIGATION, THIS IS A COMMON ISSUE WITH 2014 MB AND I WANT TO DOCUMENT THIS EXTREMELY DANGEROUS PERFORMANCE.
NHTSA ODI 11156546
Mar 20, 2015Speed controlFuel system
THE CAR SHOWED "PRE-SAFE UNAVAILABLE" AND SHOWED THAT THE STABILITY CONTROL OFF LIGHT ON THE DASH. IT WENT INTO "LIMP" MODE JUST BEFORE A DANGEROUS Y SHAPED INTERSECTION WHERE I WAS TURNING TO THE LEFT LEG OF THE Y AND THE ONCOMING TRAFFIC WAS FROM THE RIGHT SIDE OF THE Y. THE CAR WAS ALMOST TOTALLY UNRESPONSIVE TO THROTTLE INPUTS, AND AS I HAD TO SLOW DOWN TO SEE DOWN THE HILL TO THE RIGHT SIDE OF THE Y, ACCELERATION ACROSS THE INTERSECTION WAS LESS THAN NORMAL WALKING SPEED. LUCKILY, THERE WAS NO TRAFFIC COMING TO THE RIGHT OR BEHIND ME. DEALER WAS UNABLE TO FIND THE CAUSE. I TRADED THE CAR IN FOR THE NEXT YEAR MODEL DUE TO FEELING UNSAFE DRIVING IT. *TR
NHTSA ODI 10700715
May 14, 2014Electronic Stability Control (esc)EngineFuel system
CAR COMPLETELY SHUTOFF TONIGHT ON THE HIGHWAY AND LUCKILY I WAS ABLE TO GET PULLED OVER WITHOUT INCIDENT. I HAD NUMEROUS MESSAGES ON THE DISPLAY, INCLUDING "SERVICE REQUIRED, DO NOT SHIFT GEARS, VISIT DEALER" AND "ESP INOPERABLE, SEE OPERATOR'S MANUAL". THE CAR WOULD NOT DO ANYTHING ONCE I PULLED OVER, NOTHING HAPPENED WHEN I TURNED THE KEY, NO NOISES, NOTHING. MB ROADSIDE ASSISTANCE CAME AND TRIED TO JUMP START AND DISCONNECT THE BATTERY TO NO AVAIL. SO, OFF ON THE TOW TRUCK IT WENT. *TR
NHTSA ODI 10588401
Apr 29, 2014Electrical systemEngineFuel system
WHILE DRIVING THE VEHICLE SUDDENLY THE ACCELERATOR STARTED TO HAVE A DELAYED RESPONSE. PRESSING THE ACCELERATOR WOULD NOT DO ANYTHING FOR BETWEEN 3 TO 5 SECOND AFTER THE CAR WAS STOPPED. AFTER THE DELAY, THE CAR WOULD RESPOND AND WAS DRIVABLE, BUT AFTER EVERY SUBSEQUENT STOP, THE 3 TO 5 SECOND DELAY WOULD RETURN. THIS CONTINUED FOR THE 20 MILES THAT I DROVE TO THE DEALERSHIP TO HAVE THEM LOOK AT THE CAR AND REPAIR IT. I BELIEVE THIS UNRESPONSIVENESS OF THE ACCELERATOR TO BE A DANGEROUS CONDITION AS IT PREVENTED ME FROM BEING ABLE TO DRIVING NORMALLY AND COULD HAVE PREVENTED ME FROM MOVING MY VEHICLE IF IT WAS STOPPED AND A SITUATION REQUIRED IT TO BE MOVED QUICKLY. AT THIS TIME THIS OCCURRED THE FOLLOWING WARNING LIGHTS APPEARED ON THE DASH. THE CHECK ENGINE LIGHT CAME ON. THE ESP WARNING LIGHT CAME ON, THE ESP SYSTEM "OFF" LIGHT CAME ON, AND A MESSAGE STATING THAT "PRESAFE FUNCTIONS WERE UNAVAILABLE" APPEARED ON THE DASH BOARD COMPUTER SCREEN. THIS WAS THE SECOND TIME THIS HAPPENED TO ME. THE FIRST TIME WAS AT THE BEGINNING OF APRIL. I PULLED THE CAR OVER. RESTARTED THE CAR AND THE CONDITION FIXED ITSELF. THIS TIME, RESTARTING THE CAR DID NOT CLEAR THE CONDITION. *JS
NHTSA ODI 10585415
Apr 17, 2014EngineFuel system
THIS HAS HAPPENED MULTIPLE TIMES STARTING IN JAN. 2014 AND MOST RECENTLY APRIL 15, 2014: COME TO A STOP AT RED LIGHT (OR STOP SIGN) AND WHEN I STEP ON GAS TO GO WHEN LIGHT TURNS GREEN, ETC., NO POWER OR, AT MOST, CAR BARELY COASTS TO SHOULDER OF ROAD. IT DOES NOT SOUND LIKE THE ENGINE ENGAGES. I TURN THE IGNITION OFF AND THEN ON AGAIN AND THE CAR RUNS. THIS HAPPENS WHEN ECO STOP/START FUNCTION IS ON AND ALSO HAPPENS WHEN IT IS OFF. I AM AFRAID TO DRIVE THE CAR BECAUSE THIS HAPPENS WITHOUT WARNING. I COULD BE DRIVING THE CAR FOR A WEEK WITH NO PROBLEM AND THEN IT HAPPENS.
NHTSA ODI 10583356
Apr 8, 2014Fuel systemSpeed controlEngine
I HAVE PARTIAL VIDEO IF THIS INCIDENT. INCIDENT OCCURRED AT 991 ODOMETER MILES. AFTER DRIVING APPROX. ~300 MOSTLY CONTIGUOUS, FLAT, RURAL HIGHWAY MILES IN-BETWEEN LINCOLN, NE AND ST. LOUIS, MO (HEADING TO ATLANTA, GA) IN APPROX. 30 WEATHER ON DRY PAVEMENT, THE ENGINE STOPPED PRODUCING ENOUGH ENGINE POWER TO PROPEL THE VEHICLE AT THE 70-75 MPH THAT I WAS TRAVELING. AT APPROX. 60-65 MPH, I APPLIED ADDITIONAL PRESSURE TO THE GAS PEDAL WHICH WAS NOT EFFECTIVE. PUSHING THE GAS PEDAL TO THE FLOOR DID NOTHING EXCEPT, OCCASIONALLY, THE TRANSMISSION WOULD SWITCH QUICKLY IN-BETWEEN THE SAME TWO GEARS, WHICH REGISTERED SLIGHTLY ON THE TACHOMETER BUT DID NOTHING TO ACCELERATE THE VEHICLE OR MAINTAIN SPEED. IT ALMOST FELT AS IF THE TRACTION CONTROL WAS ACTIVATING (BUT MALFUNCTIONING) DESPITE THE GROUND BEING TOTALLY DRY. BY APPROX. 50 MPH I WAS BEING FLANKED AND TAILGATED BY TWO CLEARLY DISGRUNTLED SEMI-TRUCKS AS I TRIED TO PULL OVER TO THE RIGHT. THE VEHICLE SEEMINGLY WOULD MAINTAIN A MAX. OF 35 MPH. UPON RESTARTING THE CAR (NORMAL START), LETTING IT IDLE (NORMAL IDLE), AND THEN ATTEMPTING TO DRIVE TO A SAFER LOCATION, ITS ACCELERATION FELT RESTRICTED AT LOWER RPMS, BUT IT DID BACK UP TO HIGHWAY SPEED AND THE RESTRICTED FEELING ENDED UP BEING TEMPORARY. THE NEAREST DEALER WAS MB OF MARION, IL., APPROX. ANOTHER 200-300 MILES AWAY. ON THE WAY TO THIS DEALERSHIP, THE SAME MALFUNCTION OCCURRED AGAIN ABOUT 50-75 MILES LATER. I WENT THROUGH THE SAME PROCESS AND RESTARTED THE VEHICLE. AT THE MARION, IL DEALER, THE MECHANIC FOUND THE FOLLOWING CODE IN THE COMPUTER: PO29921 - BOOST PRESSURE OF TURBOCHARGER TOO LOW. THE MECHANIC AT THE MARION, IL DEALER AND, LATER, AT ANOTHER DEALER CLOSER TO WHERE I LIVE (MERCEDES OF SOUTH ATLANTA) WAS NOT ABLE TO REPLICATE THIS CODE AND THEREFORE NO REPAIRS HAVE EVER BEEN ATTEMPTED OR MADE. THIS ISSUE HAS NOT RE-OCCURRED HERE IN GEORGIA. *TR
NHTSA ODI 10578246