14
Complaints
0
Crashes
0
Fires
0
Deaths

This Problem Across All Years

All Engine Complaints

Showing 14 of 14
Jan 7, 2023

Failure of seals and or bearings in the electric motor causing coolant to leak into the electric motor, creating an internal electrical fault, seizing electric motor.

Jan 7, 2023

Failure of seals and or bearings in the electric motor causing coolant to leak into the electric motor, creating an internal electrical fault, seizing electric motor.

Jun 14, 2022

The main electric drive motor will start leaking coolant which then damages the motor and even electronics. Well known issue and makes the vehicle unsafe and isn't a matter of "if" but "when" the seals will go bad and this is on our car that has less than 40k miles on the odometer.

Jun 14, 2022

The main electric drive motor will start leaking coolant which then damages the motor and even electronics. Well known issue and makes the vehicle unsafe and isn't a matter of "if" but "when" the seals will go bad and this is on our car that has less than 40k miles on the odometer.

May 20, 2020

THE CAR STARTED TO MAKE A SOFT TICKING SOUND. I BOUGHT THE CAR AT 11121 MILE ON JULY 2,2018 LAST WEEK I HAD THE MERCEDES BENZ DEALER PICK. THE PROBLEM WAS THE ENGINE NEEDS TO BE REPLACED. MILEAGE ON CAR NOW IS 28452. ASKING 17,000 DOLLARS FOR REPAIR. I HAVE THE PREMIUM SAFE DRIVE EXTENDED WARRANTY THEY ARE WILL TO PAY ONLY 10,000 DOLLARS. *TR

May 20, 2020

THE CAR STARTED TO MAKE A SOFT TICKING SOUND. I BOUGHT THE CAR AT 11121 MILE ON JULY 2,2018 LAST WEEK I HAD THE MERCEDES BENZ DEALER PICK. THE PROBLEM WAS THE ENGINE NEEDS TO BE REPLACED. MILEAGE ON CAR NOW IS 28452. ASKING 17,000 DOLLARS FOR REPAIR. I HAVE THE PREMIUM SAFE DRIVE EXTENDED WARRANTY THEY ARE WILL TO PAY ONLY 10,000 DOLLARS. *TR

Nov 20, 2019 36,000 mi

THIS MB MODEL HAS AN ELECTRIC MOTOR THAT FAILS AT AROUND 35000 TO 40000 MILES, AND MAKES THE VEHICLE TO STOP SUDDENLY CAUSING SERIOUS RISKS TO THE DRIVER IF THIS HAPPENS IN ANY MAIN HIGHWAY. TWO WEEKS AGO MY WIFE WAS DRIVING NORTHBOUND AT THE FAST LANE OF THE PALMETTO EXPRESSWAY , IN MIAMI FL, WHEN THE CAR STOPPED GIVING NO TIME TO AVOID COMING TRAFFIC. FORTUNATELY ONE FDOT RANGER WAS DRIVING SAME WAY AND PROTECT MY WIFE TURNING ON ITS EMERGENCY LIGHTS WHILE THEY WAIT FOR A TOW TRUCK TO ARRIVE. THIS MODEL OF MB IS ASSEMBLED WITH A TESLA MOTOR THAT HAS BEEN PROVEN TO FAIL, BUT TESLA HAS TAKEN FAST ACTION TO AVOID INCONVENIENCES TO ITS CUSTOMERS. MB HAS DOING NOTHING TO ADVICE ITS CUSTOMERS ON THIS CRITICAL ISSUE, PUTTING ON RISK ON A DAILY BASIS ALL DRIVERS THAT RIDE TIS MB MODEL. I FIGURE IF OTHERS ARE FACING SIMILAR ISSUES, IT WOULD BE GOOD TO GET A RECALL SET UP IF MB DOES NOT STEP UP TO THE PLATE. IT TOOK FOUR YEARS FOR THESE ISSUES TO SHOW UP NEAR THE END OF MY WARRANTY, AND SINCE THE CARS REMAIN ESSENTIALLY THE SAME THROUGH THE 2017 MODELS, WE MAY EXPECT TO SEE OTHERS MODEL YEARS SHOW THE SAME ISSUES AS THE END OF THEIR WARRANTIES COME UP. I HOPE NOT, FOR EVERYONE ELSE BUT BEST BE PREPARED. MY VEHICLE CAN BEEN INSPECTED AT THE MERCEDES BENZ OF MIAMI DEALER WHERE REPAIR ARE UNDERWAY.

Nov 20, 2019 36,000 mi

THIS MB MODEL HAS AN ELECTRIC MOTOR THAT FAILS AT AROUND 35000 TO 40000 MILES, AND MAKES THE VEHICLE TO STOP SUDDENLY CAUSING SERIOUS RISKS TO THE DRIVER IF THIS HAPPENS IN ANY MAIN HIGHWAY. TWO WEEKS AGO MY WIFE WAS DRIVING NORTHBOUND AT THE FAST LANE OF THE PALMETTO EXPRESSWAY , IN MIAMI FL, WHEN THE CAR STOPPED GIVING NO TIME TO AVOID COMING TRAFFIC. FORTUNATELY ONE FDOT RANGER WAS DRIVING SAME WAY AND PROTECT MY WIFE TURNING ON ITS EMERGENCY LIGHTS WHILE THEY WAIT FOR A TOW TRUCK TO ARRIVE. THIS MODEL OF MB IS ASSEMBLED WITH A TESLA MOTOR THAT HAS BEEN PROVEN TO FAIL, BUT TESLA HAS TAKEN FAST ACTION TO AVOID INCONVENIENCES TO ITS CUSTOMERS. MB HAS DOING NOTHING TO ADVICE ITS CUSTOMERS ON THIS CRITICAL ISSUE, PUTTING ON RISK ON A DAILY BASIS ALL DRIVERS THAT RIDE TIS MB MODEL. I FIGURE IF OTHERS ARE FACING SIMILAR ISSUES, IT WOULD BE GOOD TO GET A RECALL SET UP IF MB DOES NOT STEP UP TO THE PLATE. IT TOOK FOUR YEARS FOR THESE ISSUES TO SHOW UP NEAR THE END OF MY WARRANTY, AND SINCE THE CARS REMAIN ESSENTIALLY THE SAME THROUGH THE 2017 MODELS, WE MAY EXPECT TO SEE OTHERS MODEL YEARS SHOW THE SAME ISSUES AS THE END OF THEIR WARRANTIES COME UP. I HOPE NOT, FOR EVERYONE ELSE BUT BEST BE PREPARED. MY VEHICLE CAN BEEN INSPECTED AT THE MERCEDES BENZ OF MIAMI DEALER WHERE REPAIR ARE UNDERWAY.

Oct 11, 2015 1,600 mi

MY B-CLASS ELECTRIC HAD A SUDDEN LOSS OF POWER. HERE'S THE DETAILS: LEFT THE HOUSE IN SAN DIEGO AT 7:00 AM. OUTSIDE TEMPERATURE ABOUT 75+DEGREES. ABOUT 1 MILE FROM THE START, I BRAKED SLIGHTLY TO MAINTAIN SPEED OF ABOUT 25 MPH, COASTED TOWARDS AND UPHILL, PUT MY FOOT ON THE ACCELERATOR TO MAINTAIN SPEED AND THERE WAS NO POWER-JUST COASTING. THERE WAS NO UNUSUAL SOUND AND NO WARNING DISPLAYED. THE CAR APPEARED NORMAL EXCEPT THE GUAGE WAS SHOWING FULL REGENERATIVE BRAKING WHILE THE CAR WAS COASTING. TRANSMISSION WAS IN D-AUTO. POWER STEERING WORKED, AC AND RADIO WERE STILL ON. I BROUGHT IT TO A STOP. PUSHED THE BUTTON TO TURN IT OFF. AT THAT TIME ALL THE LIGHTS ON THE DASH LIT UP. I PUSHED IT AGAIN AND THE CAR WAS BACK TO NORMAL WITH THE INDICATOR SHOWING ZERO BETWEEN REGENERATION AND DISCHARGE. I FINISHED THE DRIVE WITHOUT FURTHER INCIDENT. MILEAGE: 1620 MILES PURCHASED: JUNE 2015 MFG DATE: 4/15 TOOK THE CAR TO THE DEALER TWO HOURS LATER AND TOLD THEM ABOUT THE PROBLEM AND THAT THE FORUM SAYS THERE IS A CODE UPDATE AVAILABLE. WAITED THERE FOR 3 HOURS. THEIR PAPER WORK SAYS: 1639 541011, 540991, 540992. PROGRAMMED POWER TRAIN CONTROL UNIT. PERFORMED SHORT TEST; NO RELEVANT FAULT CODES. CHECKED POWER TRAIN CONTROL UNIT FOR SOFTWARE UPDATES. UPDATE WAS AVAILABLE. PROGRAMMED AND CODED POWER TRAIN CONTROL UNIT. COMPLETE.

Oct 11, 2015 1,600 mi

MY B-CLASS ELECTRIC HAD A SUDDEN LOSS OF POWER. HERE'S THE DETAILS: LEFT THE HOUSE IN SAN DIEGO AT 7:00 AM. OUTSIDE TEMPERATURE ABOUT 75+DEGREES. ABOUT 1 MILE FROM THE START, I BRAKED SLIGHTLY TO MAINTAIN SPEED OF ABOUT 25 MPH, COASTED TOWARDS AND UPHILL, PUT MY FOOT ON THE ACCELERATOR TO MAINTAIN SPEED AND THERE WAS NO POWER-JUST COASTING. THERE WAS NO UNUSUAL SOUND AND NO WARNING DISPLAYED. THE CAR APPEARED NORMAL EXCEPT THE GUAGE WAS SHOWING FULL REGENERATIVE BRAKING WHILE THE CAR WAS COASTING. TRANSMISSION WAS IN D-AUTO. POWER STEERING WORKED, AC AND RADIO WERE STILL ON. I BROUGHT IT TO A STOP. PUSHED THE BUTTON TO TURN IT OFF. AT THAT TIME ALL THE LIGHTS ON THE DASH LIT UP. I PUSHED IT AGAIN AND THE CAR WAS BACK TO NORMAL WITH THE INDICATOR SHOWING ZERO BETWEEN REGENERATION AND DISCHARGE. I FINISHED THE DRIVE WITHOUT FURTHER INCIDENT. MILEAGE: 1620 MILES PURCHASED: JUNE 2015 MFG DATE: 4/15 TOOK THE CAR TO THE DEALER TWO HOURS LATER AND TOLD THEM ABOUT THE PROBLEM AND THAT THE FORUM SAYS THERE IS A CODE UPDATE AVAILABLE. WAITED THERE FOR 3 HOURS. THEIR PAPER WORK SAYS: 1639 541011, 540991, 540992. PROGRAMMED POWER TRAIN CONTROL UNIT. PERFORMED SHORT TEST; NO RELEVANT FAULT CODES. CHECKED POWER TRAIN CONTROL UNIT FOR SOFTWARE UPDATES. UPDATE WAS AVAILABLE. PROGRAMMED AND CODED POWER TRAIN CONTROL UNIT. COMPLETE.

Oct 10, 2015 500 mi

3XS I HAVE HAD THE CAR STOP WORKING WHILE DRIVING. ALL THREE OCCASIONS WHILE COMING TO A QUICK STOP THE CAR QUIT WORKING. I HAD TO COME TO A COMPLETE STOP, PUT THE CAR IN PARK AND RESTART THE VEHICLE. I LEASED THE CAR IN JULY/AUGUST 2015, LAST INCIDENT WAS ON 9/22.

Oct 10, 2015 500 mi

3XS I HAVE HAD THE CAR STOP WORKING WHILE DRIVING. ALL THREE OCCASIONS WHILE COMING TO A QUICK STOP THE CAR QUIT WORKING. I HAD TO COME TO A COMPLETE STOP, PUT THE CAR IN PARK AND RESTART THE VEHICLE. I LEASED THE CAR IN JULY/AUGUST 2015, LAST INCIDENT WAS ON 9/22.

Oct 8, 2015 3,300 mi

ON 10-5-15, MY 2015 MERCEDES B CLASS WITH 3300 MILES DECIDED TO LOSE ALL POWER IN THE MIDDLE OF 101 IN RUSH HOUR TRAFFIC. LUCKILY TRAFFIC WAS MOVING AT 15MPH, I HAD TO COMPLETELY STOP THE CAR IN THE MIDDLE LANE. PUT THE CAR IN PARK, SHUT IT OFF AND RESTART TO REGAIN POWER. THERE WERE NO CHECK ENGINE LIGHT OR SIGNS THAT THE CAR WAS BROKEN, I JUST SIMPLY LOST ALL DRIVE POWER EVEN THOUGH I WAS IN D. IT WAS SCARY AS I WAS ON THE 101 AT ABOUT 4PM. THIS ALSO HAPPENED AT ANOTHER WHEN I FIRST GOT THE CAR, PLEASE GET MERCEDES TO FIX THIS BEFORE I GET REAR-ENDED AND CRUSHED.

Oct 8, 2015 3,300 mi

ON 10-5-15, MY 2015 MERCEDES B CLASS WITH 3300 MILES DECIDED TO LOSE ALL POWER IN THE MIDDLE OF 101 IN RUSH HOUR TRAFFIC. LUCKILY TRAFFIC WAS MOVING AT 15MPH, I HAD TO COMPLETELY STOP THE CAR IN THE MIDDLE LANE. PUT THE CAR IN PARK, SHUT IT OFF AND RESTART TO REGAIN POWER. THERE WERE NO CHECK ENGINE LIGHT OR SIGNS THAT THE CAR WAS BROKEN, I JUST SIMPLY LOST ALL DRIVE POWER EVEN THOUGH I WAS IN D. IT WAS SCARY AS I WAS ON THE 101 AT ABOUT 4PM. THIS ALSO HAPPENED AT ANOTHER WHEN I FIRST GOT THE CAR, PLEASE GET MERCEDES TO FIX THIS BEFORE I GET REAR-ENDED AND CRUSHED.