Total Complaints
13 filings
MERCEDES-BENZ ML250 · model year
13 NHTSA complaints, 2 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2015MERCEDES-BENZML250 carries 13 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 0 fires, 2 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2015 ML250 is engine with 4 filings, followed by unknown or other (2) and electrical system (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2015 ML250. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
13 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE | 4 |
| UNKNOWN OR OTHER | 2 |
| ELECTRICAL SYSTEM | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
| FORWARD COLLISION AVOIDANCE | 1 |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 1 |
| STEERING | 1 |
| AIR BAGS | 1 |
| STRUCTURE:BODY | 1 |
Rear subframe rusted from the inside out causing structural failure. This matches the defect in Campaign #2023020002 for other Mercedes models."
On 8/15/23 on my parking explode air bag , completely make me blind.Nader air bag push my legs from brake and Car still was driving and stop a the wall, I was completely blind, destroyed my car ,Pain my legs , my arms my head incrediblo,my body is all blue, Thanks to God I am still life. Always I take care my car and I was in Mercedes -Benz dealer in Fletcher N C check my car before I wil drive back home to Florida he told me everything is good and safe .to drive .I need help .All my life I drive Mercedes-Benz .Mercedes mechanic must check car before release to customer to drive ,Please help me with nader car.
The Adblue blue malfunctioned and the engine oil cooling is leaking. Also the axle is leaking. This was a previous recall on this specific vehicle and it continues to be an issue
The Adblue blue malfunctioned and the engine oil cooling is leaking. Also the axle is leaking. This was a previous recall on this specific vehicle and it continues to be an issue
SOOTH PARTICULATE SENSOR FAIL, PART OF DIESEL EMISSION SYSTEM. MY CAR HAS 71K MILES AND DEALERSHIP HAD REFUSED TO REPLACE IT UNDER WARRANTY. CANADIAN GOVERNMENT HAS EXTENDED WARRANTY FOR THIS SENSOR UNTIL 120K MILES (ATTACHED)
TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ ML250. THE CONTACT WAS TOWING AN UNKNOWN TRAVEL TRAILER WHEN THE VEHICLE BEGAN TO DRIFT TO THE RIGHT AND THE STEERING WHEEL BECAME DIFFICULT TO TURN. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED HE WAS UNABLE TO CONTROL THE VEHICLE AND DROVE INTO A DITCH. THE CONTACT STATED ALL 4 AIR BAGS DEPLOYED. THE CONTACT STATED HIS WIFE SUSTAINED A BRUISE FROM THE SEAT BELT BUT DID NOT SEEK ANY MEDICINAL ATTENTION. THE CONTACT STATED THE LOCAL FIRE DEPARTMENT AND TOW COMPANY WAS ABLE TO TAKE THE VEHICLE OUT OF THE DITCH. A POLICE REPORT WAS FILED. THE CONTACT STATED THE VEHICLE WAS DRIVABLE. A DEALER WAS NOT CONTACTED. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED AS OF YET. THE MANUFACTURER HAD BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 78,000.
Mileage: 78,000
TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ ML250. THE CONTACT STATED THAT THE ENGINE DEVELOPED A DIESEL FUEL LEAK OVER THE MOTOR, WHICH RAN ACROSS THE ENGINE. THE MOTOR WAS SOAKED WITH DIESEL FUEL. ALSO, WHILE DRIVING, THERE WAS AN ODOR OF FUEL INSIDE THE VEHICLE. THE CONTACT DROVE HOME AND CALLED VALLEY IMPORT (402 40TH ST S, FARGO, ND 58103, (888) 929-9843) TO SCHEDULE AN APPOINTMENT. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN FOUND DIESEL FUEL ALL OVER THE ENGINE AND THE PAN UNDER THE ENGINE WAS FILLED WITH FUEL. THE CONTACT STATED THAT THE FUEL SOAKED UP ONE OF THE ENGINE MOUNTS. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 30,000.
Mileage: 30,000
AT ABOUT 50,000 MILES, NOTICED ENGINE LEAKING OIL EHILR CAR WAS STATIONARY. DIAGNOSED AT DEALERSHIP AS " OIL SEAL" AND REPAIRED. ONLY TO LEAK AGAIN 2 MONTHS LATER. REPLACED AGAIN AT DEALERSHIP. WAS TOLD ITS NOT NORMAL BUT IT CAN HAPPEN.
Mileage: 50,000
TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ ML250. ON TWO SEPARATE OCCASIONS, WHILE DRIVING, THE CONTACT HEARD A POP SOUND. LATER THAT NIGHT, THE CONTACT ENTERED THE VEHICLE AND THE MOON ROOF EXPLODED. THE VEHICLE WAS TAKEN TO TYSINGER MOTOR CO (2712 MAGRUDER BLVD SUITE B, HAMPTON, VA 23666, (757) 865-8000) WHERE NO DIAGNOSTIC FAILURE CODES WERE FOUND AND THE FAILURE COULD NOT BE DUPLICATED. THE MOON ROOF WAS REPLACED; HOWEVER, THE CONTACT HEARD THE POP NOISE AGAIN WHILE DRIVING. THE MOON ROOF INADVERTENTLY SHATTERED AGAIN AND ENTERED THE VEHICLE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE MOON ROOF SHATTERED DUE TO TRAUMA. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 55,000. *TT *TR
Mileage: 55,000
TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ ML250. THE CONTACT STATED THAT THE COLLISION PREVENTION ASSISTANCE FEATURE FAILED TO FUNCTION PROPERLY AND THE VEHICLE FAILED TO STOP SEVERAL TIMES. THE CONTACT APPLIED EXTREME FORCE TO THE BRAKE PEDAL AND ALMOST EXPERIENCED A CRASH DUE TO AN INTERNAL OR ELECTRICAL FAILURE. THE DEALER (MERCEDES-BENZ OF ANAHEIM, 5395 E LA PALMA AVE, ANAHEIM HILLS, CA 92807, (714) 777-1900), WHO SOLD THE CONTACT THE VEHICLE, WAS UNABLE TO REPLICATE AND DIAGNOSE THE FAILURE. THE DEALER DID NOT PERFORM A TEST DRIVE AND INDICATED THAT THE FEATURE COULD NOT BE REPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE SAFETY CONCERN AND THE CONTACT WAS WAITING TO DETERMINE IF THEY COULD PROVIDE FURTHER TESTING TO DETERMINE IF THE COLLISION PREVENTION ASSISTANCE FEATURE WAS FUNCTIONING. THE CONTACT WAS UNCERTAIN IF THE MANUFACTURER COULD PREVENT THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 20,000.
Mileage: 20,000
DRIVING VEHICLE ALL DAY NO PROBLEMS .IT JUST TURNED 20,000 MILES. WAS DRIVING ON ROAD WHEN VEHICLE STARTED SURGING, LIKE OUT OF FUEL, WENT DOWN ROAD A LITTLE FURTHER AND IT HAPPENED AGAIN .THIS TIME I SMELLED STRONG DIESEL FUEL FUMES. SMOKE STARTING COMING OUT FROM UNDER HOOD. . I PULLED OFF ROAD AND SHUT CAR OFF. I OPENED HOOD LOTS OF SMOKE AND ENGINE COMPARTMENT COMPLETELY SOAKED WITH DIESEL FUEL ! HAD TO CALL ROADSIDE ASSISTANCE. GOT TOWED IN TO MERCEDES BENZ OF NORTH HAVEN CT. SERVICE DEPT TODAY SAYS LOOKS LIKE A RODENT CHEWED SOMETHING IN YOUR ENGINE COMPARTMENT. AND THAT CAUSED YOUR FUEL LEAK. THEREFORE WE ARE NOT COVERING ANYTHING UNDER WARRANTY. IT WILL COST ABOUT $4500 TO FIX .THIS IS RIDICULOUS AND VEHICLE IS UNDER FULL WARRANTY AND EXTENDED WARRANTY ! I WAS DRIVING THIS CAR ALL DAY .IT BROKE DOWN AT 2:30 IN THE AFTERNOON..MERCEDES BENZ IS LUCKY THE CAR DIDN'T CATCH FIRER AND BURN TO THE GROUND. MAURO MOTORS NEEDS TO MAKE GOOD ON THE WARRANTY AND FIX AT NO CHARGE. I HAV
Mileage: 20,000
DRIVING VEHICLE ALL DAY NO PROBLEMS .IT JUST TURNED 20,000 MILES. WAS DRIVING ON ROAD WHEN VEHICLE STARTED SURGING, LIKE OUT OF FUEL, WENT DOWN ROAD A LITTLE FURTHER AND IT HAPPENED AGAIN .THIS TIME I SMELLED STRONG DIESEL FUEL FUMES. SMOKE STARTING COMING OUT FROM UNDER HOOD. . I PULLED OFF ROAD AND SHUT CAR OFF. I OPENED HOOD LOTS OF SMOKE AND ENGINE COMPARTMENT COMPLETELY SOAKED WITH DIESEL FUEL ! HAD TO CALL ROADSIDE ASSISTANCE. GOT TOWED IN TO MERCEDES BENZ OF NORTH HAVEN CT. SERVICE DEPT TODAY SAYS LOOKS LIKE A RODENT CHEWED SOMETHING IN YOUR ENGINE COMPARTMENT. AND THAT CAUSED YOUR FUEL LEAK. THEREFORE WE ARE NOT COVERING ANYTHING UNDER WARRANTY. IT WILL COST ABOUT $4500 TO FIX .THIS IS RIDICULOUS AND VEHICLE IS UNDER FULL WARRANTY AND EXTENDED WARRANTY ! I WAS DRIVING THIS CAR ALL DAY .IT BROKE DOWN AT 2:30 IN THE AFTERNOON..MERCEDES BENZ IS LUCKY THE CAR DIDN'T CATCH FIRER AND BURN TO THE GROUND. MAURO MOTORS NEEDS TO MAKE GOOD ON THE WARRANTY AND FIX AT NO CHARGE. I HAV
Mileage: 20,000
DRIVING VEHICLE ALL DAY NO PROBLEMS .IT JUST TURNED 20,000 MILES. WAS DRIVING ON ROAD WHEN VEHICLE STARTED SURGING, LIKE OUT OF FUEL, WENT DOWN ROAD A LITTLE FURTHER AND IT HAPPENED AGAIN .THIS TIME I SMELLED STRONG DIESEL FUEL FUMES. SMOKE STARTING COMING OUT FROM UNDER HOOD. . I PULLED OFF ROAD AND SHUT CAR OFF. I OPENED HOOD LOTS OF SMOKE AND ENGINE COMPARTMENT COMPLETELY SOAKED WITH DIESEL FUEL ! HAD TO CALL ROADSIDE ASSISTANCE. GOT TOWED IN TO MERCEDES BENZ OF NORTH HAVEN CT. SERVICE DEPT TODAY SAYS LOOKS LIKE A RODENT CHEWED SOMETHING IN YOUR ENGINE COMPARTMENT. AND THAT CAUSED YOUR FUEL LEAK. THEREFORE WE ARE NOT COVERING ANYTHING UNDER WARRANTY. IT WILL COST ABOUT $4500 TO FIX .THIS IS RIDICULOUS AND VEHICLE IS UNDER FULL WARRANTY AND EXTENDED WARRANTY ! I WAS DRIVING THIS CAR ALL DAY .IT BROKE DOWN AT 2:30 IN THE AFTERNOON..MERCEDES BENZ IS LUCKY THE CAR DIDN'T CATCH FIRER AND BURN TO THE GROUND. MAURO MOTORS NEEDS TO MAKE GOOD ON THE WARRANTY AND FIX AT NO CHARGE. I HAV
Mileage: 20,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.