2014 Mercedes Benz CLA250 engine problems

ENGINE

I own a 2014 Mercedes-Benz CLA 250 with the 2.0L turbocharged 4-cylinder M270 engine. The check-engine light came on and an OBD-II scan showed fault code P052E / P052E71, which indicates that the valve for crankcase ventilation (PCV / crankcase ventilation valve integrated into the valve cover) has a malfunction and the actuator is blocked. The vehicle is available for inspection and, if the repair is performed, the failed part can be retained. This appears to be the same failure that has been documented by other owners and by Mercedes-Benz on the related M274 engine used in other models (same 2.0L turbo engine family and PCV / crankcase ventilation design, but in a longitudinal layout). For those vehicles, Mercedes has issued technical service bulletins and extended emissions-related warranty coverage for the crankcase ventilation / PCV system, but vehicles like my CLA with the M270 engine are excluded even though they show the same DTCs and failure. In my case, the problem has so far shown up as a check-engine light and stored fault codes, without obvious drivability symptoms yet. However, a blocked or failed crankcase ventilation valve can increase crankcase pressure, cause oil leaks, fuel vapor or oil smells, and potential turbocharger or drivability issues, which may create a safety risk if the problem worsens (loss of power or stalling). The problem has been reproduced multiple times with different OBD-II scan tools. I contacted Mercedes-Benz and was told there are no recalls or warranty coverage for this issue on my vehicle.

NHTSA complaint #11699978 — an unverified report by a vehicle owner.

ENGINE

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 complaint #11696266 — an unverified report by a vehicle owner.

ENGINE

Check engine code p052e - PCV valve replacement (Crankcase Ventilation valve) - common issue on car and known recall for other models

NHTSA complaint #11639110 — an unverified report by a vehicle owner.

ENGINE

The contact owns a 2014 Mercedes-Benz CLA250. The contact stated while driving at approximately 70 MPH, the vehicle stalled. The contact stated that when the vehicle stalled, an audible chime sounded, and the air bag warning light illuminated, and a RED triangle symbol flashed on the instrument panel. The contact stated that the instrument cluster went blank, and the vehicle lost power steering assist. Additionally, the brake pedal was very difficult to depress. The contact was able to restart the vehicle after several attempts, and the vehicle returned to normal functionality. The contact stated that the failure reoccurred. The contact drove the vehicle to a dealer who diagnosed the vehicle and determined that the battery needed to be replaced. The vehicle was repaired. The contact stated that the failure reoccurred and the vehicle had not taken back to the dealer. The manufacturer was not informed of the failure. The failure mileage was 76,850.

NHTSA complaint #11616572 — an unverified report by a vehicle owner.

ENGINE

Apparently the TPS (Throttle Position Sensor) which is built into the gas pedal on this 2014 MB CLA250 only lasts so long before it becomes defective under highway conditions and causes the vehicle to go into LIMP MODE. When full acceleration is necessary, the unit will work for perhaps a few months or less, and then continue to fail worse and more frequently with each attempt at full acceleration. At highway speeds, this is an essential feature in a 4-cylinder vehicle such as this one and without the necessary acceleration capability, can expose the driver to serious risk of collision with other on-coming vehicles traveling at highway speeds. This "Limp Mode" features is extremely dangerous and hazardous to not only the driver of their vehicle, but to other drivers around them since they are left in a devastating position of being unable to accelerate normally and as necessary and as one would expect in any vehicle, let alone a Mercedes Benz. Never before have I driven a car that falls out of full acceleration mode only to subject the driver to serious collision circumstances. Whoever the imbecile is at MB engineering who incorporated this Limp Mode Feature should be fired!!! To make matters worse, this cheaply built TPS, which is the cause of the problem in my vehicle specifically, was only warrantied twice by the dealer and now they will not replace it under warranty which is a two-year period. I've only had the part 5 months before it failed again due to poor manufacturing and I had to pay all over again for a new one despite my warranty validity. There have been many other MB owners who have the same complaint for Limp Mode, which tells me that it's definitely not me, but rather the poorly built or engineered vehicle, as a matter of fact. MB has denied having these complaints to me, which of course, is a lie. That's misleading and deceptive business practices in my State and MB needs to live up to its warranty provisions and respect its customers.

NHTSA complaint #11578613 — an unverified report by a vehicle owner.

ENGINE

Common issue with this make and model and many others Check engine code P052E

NHTSA complaint #11560875 — an unverified report by a vehicle owner.

ENGINE

My engine light is and as per mechanics I have seen it is a very common problem with mercedes benz around crankcase ventilation actuator. As per mechanics its faulty part and mercedes have changed it for new models but there is no recall on the older models. Cost to repair the part is around $3500. Issue with the part if causing environment problem as mileages is reduced and more fuel burning. This eventually impacts the engine and car.

NHTSA complaint #11552114 — an unverified report by a vehicle owner.

ENGINE

As I was driving, the car is on D but it slips into N and I cannot shift to any other gear accept P. This happens randomly and happened three times. I noticed the GLA250 also had this issue. I have to turn off my engine and restart my car to get it running again normally.

NHTSA complaint #11521574 — an unverified report by a vehicle owner.

ENGINE

catalytic converter Got clogged up and car would loose power and not get enough air into engine and catalytic converter right next to the turbo under the heat shield would turn glowing red causing turbo to leak it’s fluids

NHTSA complaint #11431296 — an unverified report by a vehicle owner.

ENGINE

Without warning , the vehicle started to shake uncontrollably and was unable to reach a certain speed without the tremors. Very unsafe to drive

NHTSA complaint #11428288 — an unverified report by a vehicle owner.

ENGINE

RIGHT AIR BAG MALFUNCTION ERROR AND CHECK ENGINE LIGHT FOR CRANK CASE. THIS IS A VERY COMMON PROBLEM THAT MERCEDES EXPLAINED TO ME AND ALSO TOLD ME TO CHECK BACK FOR RECALLS BECAUSE THEIR VNI SYSTEM WILL PROBABLY SHOW ONE

NHTSA complaint #11384911 — an unverified report by a vehicle owner.

ENGINE

WHILE DRIVING OUT OF A DRIVEWAY, A CAR PULLED NEAR MY CAR. AT THAT TIME, THE CAR WAS STATIONARY. MY WIFE HEARD THE PRE-COLLISION WARNING. THE THE CAR COMPLETELY SHUTOFF OR STALLED. TURNED OFF THE CAR COMPLETELY BY TURNING THE KEY. THEN TURNED THE CAR BACK ON. LUCKY THERE WAS NO ACCIDENT.

NHTSA complaint #11384767 — an unverified report by a vehicle owner.

ENGINE

WHEN THE VEHICLE IS STOPPED I CAN HEAR A KNOCKING NOISE COMING AROUND THE WATER PUMP THE CAR HAS ONLY 39,000 MILES

NHTSA complaint #11373907 — an unverified report by a vehicle owner.

ENGINE

I HAD A CHECK ENGINE LIGHT COME ON FOR A CRANKCASE VENT VALVE DEFECT ISSUE, THE PART IS $750 AND COSTS $1,950 WITH INSTALL. UPON IDENTIFYING THE ISSUE, I SPOKE TO THE PARTS DEPARTMENT AT MERCEDES AND THEY SAID THAT THEY HAVE BEEN REPLACING SO MANY OF THESE PARTS THAT IT SHOULD BE A RECALL ON THE C CLASS AND CLA CLASS. MOST ARE REPAIRED UNDER WARRANTY SO IT HAS NOT RECEIVED A LOT OF FOCUS. MERCEDES IS CHARGING EXORBITANT RATES TO FIX AN ERROR THAT THEY KNOWINGLY IGNORE TO BE A SIGNIFICANT ISSUE.

NHTSA complaint #11373754 — an unverified report by a vehicle owner.

ENGINE

WONT PASS EMMISIONS FOR CRANK SHAFT BREATHER THAT PREVENTS FROM PASSING STATE INSPECTION EMMISIONS FAULT CODE P-052E71

NHTSA complaint #11364326 — an unverified report by a vehicle owner.

ENGINE

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ CLA250. THE CONTACT STATED THAT WHILE AT A STOP LIGHT, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED AND WAS DRIVEN TO THE RESIDENCE. THE CONTACT STATED THE VEHICLE WAS LATER TAKEN TO MERCEDES-BENZ OF ENCINO DEALER, (16721 VENTURA BLVD, ENCINO, CA 91436) WHERE IT WAS DIAGNOSED, AND THE CONDUCTOR COIL WAS REPLACED HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER HOWEVER, TECHNICIAN COULD NOT FIND A FAILURE. THE CONTACT WAS INFORMED BY THE TECHNICIAN TO DRIVE THE VEHICLE WITH THE ECHO OFF. THE VEHICLE WAS DRIVEN WITH THE ECHO ON AND THE FAILURE RECURRED. THE CONTACT CALL THE SAME DEALER AND SCHEDULE AN APPOINTMENT. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE BUT DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS APPROXIMATELY 60,000.

NHTSA complaint #11316103 — an unverified report by a vehicle owner.

ENGINE

WHILE DRIVING THE CAR SHUTS OFF WITHOUT WARNING. AFTER THE ENGINE SHUTS DOWN, IT WILL START AFTER WAITING FOR ABOUT 1 MINUTE.

NHTSA complaint #11311395 — an unverified report by a vehicle owner.

ENGINE

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ CLA250. THE CONTACT STATED WHILE DRIVING 25 MPH, THE VEHICLE SHUT OFF. THE CONTACT STATED THE AUXILIARY BATTERY LIGHT ILLUMINATED BEFORE THE VEHICLE SHUT OFF. THE CONTACT STATED THE VEHICLE WAS TOWED TO THE DEALER (MERCEDES-BENZ OF ALEXANDRIA: 200 S PICKETT ST, ALEXANDRIA, VA 22304) AND REPAIRED THE CONDUCTOR PLATE WHICH CAUSED THE VEHICLE TO STALL AND SHUT OFF. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 14,000.

NHTSA complaint #11306340 — an unverified report by a vehicle owner.

ENGINE

THE COOLANT PUMP FAILS AFTER ABOUT ONLY 48000 MILES, WHICH CAUSES THE ENGINE OVERHEATED. I DID MY RESEARCH ONLINE AND FOUND THAT MANY OTHERS WHO OWN A MERCEDES CLA 250 HAD THE SAME COOLANT PUMP PROBLEM AT LOW MILEAGES (LESS THAN 50000 MILES). THUS, I DOUBT THAT THIS COOLANT PUMP FAILURE IS A DEFECT THAT NEEDS TO BE RECALLED FOR. MY CAR IS STILL WITH THE DEALERSHIP SO I DO NOT HAVE A REPORT/RECEIPT FROM THEM STATING THE PROBLEM YET.

NHTSA complaint #11229577 — an unverified report by a vehicle owner.

ENGINE

I WAS DRIVING MY CAR WHEN ALL OF A SUDDEN THE CAR SLOWED DOWN AND THE STEERING BECAME STIFF. THE PRE SAFE LIGHT CAME ON THE SCREEN ALONG WITH "PARKING BRAKE" "TRACTION CONTROL" ALTHOUGH THE PARKING BRAKE WAS NOT APPLIED. I HAD TO HAVE MY CAR TOWED HOME BECAUSE IT WAS UNSAFE TO DRIVE.

NHTSA complaint #11223005 — an unverified report by a vehicle owner.

ENGINE

DRIVING ON HIGHWAY IN LEFT LANE DOING AROUND 60MPH AND CAR GOES INTO LIMP MODE TAKING AWAY ALL THROTTLE CONTROL. I WAS FORCED TO COAST ACROSS LANES NARROWLY AVOIDING A COLLISION AND MANAGED TO PULL INTO A BUS STOP. I LEARNED THAT LIMP MODE IS TO PROTECT THE CAR FROM FURTHER DAMAGE BUT THE SAFETY OF THE DRIVER SHOULD COME FIRST. THERE SHOULD AT LEAST BE SOME KIND OF ADVANCED WARNING TO PULL VEHICLE OVER BEFORE IT SHUTS DOWN. THIS IS COMPLETELY UNACCEPTABLE AND ENDANGERS THE LIFE OF THE DRIVER AND OTHER DRIVERS ON THE ROAD.

NHTSA complaint #11112285 — an unverified report by a vehicle owner.

ENGINE

AFTER HAVING 40K SERVICE ABOUT 6 WEEKS AGO ON MY 2014 CLA250, 'SERVICE REQUIRED: DO NOT SHIFT GEARS, VISIT DEALER' LIGHT CAME ON FROM A PARKED POSITION. THANK GOODNESS I WAS PARKED! I'VE READ SEVERAL POSTS WHERE THIS HAPPENED WHILE DRIVING AT HIGH SPEEDS! THIS IS A VERY DANGEROUS OCCUPANCY... A CRITICAL FAILURE! ANYWAY, THE ERROR MESSAGE CAME ON WHEN I STARTED THE CAR AND THE CAR IMMEDIATELY SHUT DOWN. IT HAD TO BE TOWED ON A FLATBED AS THERE WAS NO WAY TO EVEN START THE CAR AND IS AT THE SHOP NOW. MY CAR HAS LESS THAN 42K MILES. THIS REALLY IS UNACCEPTABLE AND I AM SCARED TO DRIVE THE CAR NOW AFTER READING IT HAPPENS WHILE DRIVING TOO! I HAVEN'T READ ANYWHERE WHAT THE ACTUAL ISSUE IS, ONLY THAT AFTER SONE PEOPLE GET IT BACK AFTER A SOFTWARE UPDATE IT HAPPENS AGAIN. MB REALLY NEEDS TO FIND OUT WHAT IS CAUSING THIS CRITICAL ERROR AND FIX IT SINCE IT IS SO DANGEROUS!

NHTSA complaint #11074719 — an unverified report by a vehicle owner.

ENGINE

PURCHASED MY NEW CLA250 IN SEPTEMBER 2014. IN AUGUST OF 2015 MY CAR SUDDENLY STOPPED ACCELERATING WHILE DRIVING 65MPH ON THE NJ GARDEN STATE PARKWAY!. THE PRE-SAFE WARNING WAS PRESENT ON MY DASHBOARD. LUCKILY I WAS ABLE TO PULL TO THE SHOULDER WITHOUT CAUSING AN ACCIDENT. THIS COULD HAVE CAUSED A MAJOR CATASTROPHE KILLING ME AND OTHERS. I RESTARTED THE ENGINE AND DROVE TO MY DESTINATION MAKING SURE I STAYED IN THE RIGHT LANE ON THE PARKWAY. IT FAILED 2 MORE TIMES WHILE NOT ON THE HIGHWAY BUT STILL A VERY DANGEROUS SITUATION. TOOK THE CAR (WHICH HAD 16,000 MILES) TO A MERCEDES DEALERSHIP WHEN I RETURNED AND THEY PERFORMED A SERIES OF TESTS. THEY FOUND A PRODUCT TECHNICAL SUPPORT SYSTEM UPDATE WHICH INVOLVED UPDATING THE SOFTWARE. THE FAILURE DID NOT OCCUR AGAIN UNTIL NOV. 2017. I ALMOST GOT HIT BY A BUS IN PHILADELPHIA WHEN MY CAR DECIDED TO STOP ACCELERATING. FINALLY, DRIVING TO THE AIRPORT DOING 70MPH THE CAR AGAIN DISPLAYED THE PRE-SAFE WARNING AND RAPIDLY SLOWED DOWN ALMOST CAUSING A CRASH ON I-78 IN NJ. TOOK THE CAR TO A MERCEDES DEALERSHIP NEAR ME AND THEY SAID SINCE THE CAR IS 2,000 MILES BEYOND THE 50,000 MILE WARRANTY IT'S NOT COVERED. THEY ARE REPLACING A SERIES OF PARTS THAT WILL COST ME OVER $4,000 TO REPAIR! THERE IS NO GUARANTEE THIS WILL EVEN FIX THE PROBLEM. IS MERCEDES WAITING FOR SOMEONE TO DIE BEFORE THEY ACKNOWLEDGE THIS CAR HAS A VERY SERIOUS PROBLEM? I HAVE TO WONDER IF THERE HAS BEEN ANY CRASHES INVOLVING THIS CAR AND NOBODY SURVIVED TO DETAIL WHAT WAS HAPPENING! THE 2014 CLA IS NOT SAFE AND MERCEDES DOESN'T APPEAR TO BE CONCERNED.

NHTSA complaint #11057132 — an unverified report by a vehicle owner.

ENGINE

I WAS GETTING OFF WORK AND I WAS ABOUT TO GET OUT OF THE GARAGE AND I DROVE FOR ABOUT 100 YARDS AND I GET THE CHECK ENGINE LIGHT ON, POWER TERAIN LIGHT ON SAYING DISABLED AND ON THE DASHBOARD IT SAID INOPERATIVE SEE OPERATORS MANUAL AND ALSO PRE_SAFE FUNCTIONS LIMITED. IT WAS GOING BACK AND FORTH BETWEEN THESE TWO. WHEN I WAS DRIVING GOING ABOUT 5MPH, THE CAR WOULD SPEED UP BY ITSELF WITHOUT ME TOUCHING THE GAS PEDAL, THEN IT WOULD SLOW DOWN AND SPEED UP AGAIN. IT WAS LIKE I WAS LEARNING TO DRIVING STICK SHIFT, STOP AND GO, EXCEPT THE CAR WAS DOING IT BY ITSELF. THEN I PARKED THE CAR, AND THE ARROW IN TACHOMETER WAS GOING UP AND DOWN. IT WOULD GO TO 1.5 AND THEN DROP TO .5 EVERY SECOND OR SO. THEN I STEPPED ON THE GAS AND FLOORED IT WHILE I HAD IT ON PARK AND IT DID NOTHING. I SHUT IT OFF AND STARTED IT AGAIN TO SEE MAYBE IT WOULD GET FIXED BUT IT DIDN'T. I LEFT THE CAR THERE OVERNIGHT AND THE NEXT MORNING WHEN THE TOW TRUCK CAME I STARTED IT, AND ONLY THE CHECK ENGINE LIGHT REMAINED ON, EVERYTHING ELSE WAS GONE. I DROVE IT FOR ABOUT 500 YARD TO GET IT OUT OF THE GARAGE TO MAKE IT EASIER TO TOW. I HAVE HEARD MANY OTHER PEOPLE HAD SOME ISSUES WITH 2014 CLA 250

NHTSA complaint #10950449 — an unverified report by a vehicle owner.

ENGINE

WATER PUMP FAILED, 21,000 MILES

NHTSA complaint #10937840 — an unverified report by a vehicle owner.

ENGINE

VEHICLE BECAME INOPERATIVE WHILE DRIVING ON A HIGHWAY. HAPPENED TWICE TODAY ON SPEEDS OF 60+ MPH IN HEAVY TRAFFIC. VEHICLE DECELERATED QUICKLY AND LOST SPEED, I WAS LUCKY TO AVOID COLLISIONS. THE CONSOLE POPPED UP FLASHING MESSAGE 'PRE-SAFE FUNCTIONS LIMITED' ON THE CONSOLE. THE VEHICLE DID NOT RESPOND TO ACCELERATOR. AFTER SWITCHING THE IGNITION OFF AND ON AGAIN, THE PROBLEM TEMPORARY DISAPPEARED, BUT THEN HAPPENED AGAIN. THE VEHICLE IS DULY SERVICED AND IS STILL ON WARRANTY, THERE WAS NO ACCIDENTS OR MECHANICAL FAULTS PRIOR TO DATE. SCARY AND VERY DANGEROUS. COULD HAVE EASILY INJURED MYSELF OR SOMEONE ELSE WHO WOULD HAVE HIT THE VEHICLE WHICH SUDDENLY BECOMES INOPERATIVE.

NHTSA complaint #10903372 — an unverified report by a vehicle owner.

ENGINE

MY CAR WAS PURCHASED 8/2014 FROM MERCEDES BENZ OF HENDERSON NV. THIS CAR HAS HAD PROBLEMS THE1ST DAY OF OWNING IT. THIS CAR HAS BEEN IN AND OUT OF THE SHOP SO MANY TIMES THAT I HAVE LOST COUNT. I HAVE A FOLDER AS THICK AS MY BIBLE. MERCEDES WON'T CLAIM IT AS A LEMON AND THIS CAR HAS BEEN IN THE SHOP FOR THE SAME PROBLEMS WITH ADDITIONAL PROBLEMS EVERY TIME IT IS TAKEN IN. THE DEALERSHIP WILL NOT EXCHANGE IT FOR A EQUAL CAR WITHOUT THE OPTION OF RENEWING ANOTHER LEASE AND INCREASING THE PAYMENT. I HAVE EXPERIENCED HAZARD LIGHTS ON THE FIRST 30MILES. THE ELECTRICAL WENT OUT/WARNING FLASHERS/MALFUNCTIONING/INOPERABLE THE CAR HAS DIED DRIVING WHICH PUT MINE AND OTHERS LIVES IN DANGER. ALL I'M TOLD IS I AM SORRY. I AM DRAINED WITH DEALING WITH THE DEALERSHIP AND GOING THROUGH ALL OF THEIR TURNOVERS WITH MNGMNT. PABLO RODRIGUEZ WAS A GEM ALONG WITH BUTCH WHO DID NOTHING!!EVERY CODE THAT WAS DCMNTD WAS DELETED FROM THE MEMORY. MY CAR WAS RECENTLY IN AGAIN WITH INOPERABLE/MALFUNCTIONING DISPLAY/ACCELERATION/PRE SAFE SYSTEM ERROR IN WHICH THEY SAID THEY FIXED BUT LESS THE 24HRS THE SAME PROBLEM OCCURRED. THE DEALERSHIP HAD MY CAR FROM JUNE 24TH TO JULY 10TH AND SAME ISSUES BUT NEW ERROR MESSAGES. I HAVE BEEN WITHOUT A CAR SINCE I PICKED IT UP AND THE DEALERSHIP WILL NOT DO ANYTHING ABOUT GETTING IT IN SOONER THEN THE 25TH. THEY DON'T CARE AT THIS DEALERSHIP NOR DOES MERCEDES CORP. HRS & HRS OF WASTED TIME TALKING TO PEOPLE WHO CAN DO NOTHING.NO CALLS FROM ANYONE, I RECEIVED SURVEYS IN THE BEGINNING THAT WERE NEVER ADDRESSED I KNOW THAT BECAUSE OF MY FEEDBACK. IVE NEVER EXPERIENCED ANYTHING LIKE THIS BEFORE AND IT IS SO DISAPPOINTING. OVERALL IT HAS A BEEN THE VERY WORST EXPERIENCE THAT IVE EVER HAD OWNING A CAR!!! OR MERCEDES THAT IS.

NHTSA complaint #10886032 — an unverified report by a vehicle owner.

ENGINE

TL* THE CONTACT OWNS A 2014 MERCEDES-BENZ CLA250. WHILE DRIVING 50 MPH, THE CHECK ENGINE AND RPM WARNING LIGHTS ILLUMINATED. IN ADDITION, THE ENGINE MADE A LOUD UNKNOWN NOISE AND THE VEHICLE BEGAN TO LOSE SPEED. THE FAILURE RECURRED THREE TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FUEL PEDAL WAS REPLACED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 1,000.

NHTSA complaint #10872174 — an unverified report by a vehicle owner.