Owners have filed 78 complaints
about the 2015 Mercedes Benz ML350 with NHTSA between 2015 and 2026.
The largest single group is the engine & cooling.
Across this model's run it ranks 1 of 6 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 39
Against the median year of the Mercedes Benz ML350. 50 means typical for this
model; 100 means roughly double.
Severity — 100
28.2% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — 100
69% of failures with a mileage on record happened under
36,000 miles, against a national rate of
29%.
How 2015 compares with every other Mercedes Benz ML350
Odometer readings owners gave when they filed. About half of all
complaints include one.
Under 1,000 miles
714.3%
1,000 – 9,999 miles
1122.4%
10,000 – 24,999 miles
1326.5%
25,000 – 49,999 miles
36.1%
50,000 – 74,999 miles
510.2%
75,000 – 99,999 miles
48.2%
100,000 – 149,999 miles
612.2%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Jan 2015peak 7May 2026
Recalls on the 2015 Mercedes Benz ML350
A complaint is one owner's allegation. A recall is the point at which
the manufacturer or a regulator agreed the defect is real and dangerous
enough to fix for free — however old the car is.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.
Risk: An engine stall while driving increases the risk of a crash.
19V787000
COMMUNICATION
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
18V272000
SUSPENSION:FRONT
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.
16V900000
POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 GL350 4Matic Blutec, GL450 4Matic, GL550 4Matic, ML250 Blutec, ML350, ML350 4Matic, ML400 4Matic and 2015-2016 GL63 AMG 4Matic vehicles manufactured September 29, 2014 through March 27, 2015. The affected vehicles have axle bolts on the front and/or rear drive axle carriers that may not have been assembled correctly. As a result, the remaining bolts may fracture.
Risk: If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.
16V442000
SEAT BELTS:REAR/OTHER
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 ML250, ML350, ML350 4Matic, ML400 4Matic, ML63 AMG, and 2016 GLE450 AMG 4Matic vehicles manufactured from April 27, 2015, through May 19, 2015. The affected vehicles may have had the right rear seatbelt anchor bolt incorrectly installed.
Risk: In the event of a vehicle crash, the right rear seatbelt anchor bolt could fail to secure the passenger, increasing their risk of injury.
Reports where the owner recorded a crash, a fire, an injury or a death.
at 120,000 milesHenrico, VACrash2 injured
AIR BAGS
The contact owned a 2015 Mercedes-Benz ML350. The contact stated that while driving approximately 40-45 mph in the rain, he drove over a puddle of water and hydroplaned on the highway and hit the jersey wall, went across the highway, and crashed into the guard rail. The air bags did not deploy. There were no warning indicator lights illuminated. The contact sustained injuries to his shoulder and medical attention was provided. The passenger occupant sustained injuries to the vertebrae and medical attention was provided. A police report was filed. There was no reported fire. The vehicle was towed to an independent lot. The local dealer was contacted but the vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 120,000. The vehicle was deemed a total loss by the insurance company.
NHTSA complaint #11463448 — an unverified report by a vehicle owner.
at 64,650 milesMount Laurel, NJCrash
POWER TRAIN
WHILE AT A STOP LIGHT VEHICLE SUDDENLY SURGED FORWARD PLOWING INTO VEHICLE IN FRONT CAUSING FOUR CAR COLLISION. VEHICLE ON TWO PRIOR OCCASIONS, HAD SURGED WITHOUT INCIDENT. THIS OCCURRED ON A CITY STREET IN VOHESS, NJ. THE CAUSE IS UNKNOWN.
NHTSA complaint #11407897 — an unverified report by a vehicle owner.
at 1 milesHollidaysburg, PACrash
UNKNOWN OR OTHER
I WAS DRIVING THE THE VEHICLE ON 12/26/2019.THEVEHICLE SUDDENLY STARTED ACCLERATING AND I COULD NOT STOP THE VEHICLE AND ENDED UP CRASHING INTO THE FRONT OF A COMMERCIAL ESTABLISHMENT. I WAS LUCKY THAT I WASN'T INJURED SERIOUSLY AND NONE OF THE OTHER PEOPLE INSIDE WERE HURT BADLY THERE WAS EXTENSIVE DAMAGE TO THE VEHICLE AND IT WAS TOTALED AS PER THE INSURANCE COMPANY. THERE WAS EXTENSIVE DAMAGE TO THE COMMERCIAL ESTABLISHMENT NOT TO MENTION THE LOSS OF INCOME.
NHTSA complaint #11291755 — an unverified report by a vehicle owner.
at 30,000 milesDeridder, LA1 injured
SEAT BELTS
I READ THAT THERE HAVE BEEN 3-4 RECALLS ON MY MERCEDES WHICH WE BOUGHT BRAND NEW AND I HAVE NEVER RECEIVED NOTIFICATIONS.
NHTSA complaint #11184466 — an unverified report by a vehicle owner.
at 30,000 milesDeridder, LA1 injured
UNKNOWN OR OTHER
I READ THAT THERE HAVE BEEN 3-4 RECALLS ON MY MERCEDES WHICH WE BOUGHT BRAND NEW AND I HAVE NEVER RECEIVED NOTIFICATIONS.
NHTSA complaint #11184466 — an unverified report by a vehicle owner.
at 30,000 milesDeridder, LA1 injured
SUSPENSION
I READ THAT THERE HAVE BEEN 3-4 RECALLS ON MY MERCEDES WHICH WE BOUGHT BRAND NEW AND I HAVE NEVER RECEIVED NOTIFICATIONS.
NHTSA complaint #11184466 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
Bedford, NH
FUEL/PROPULSION SYSTEM
The failed/malfunctioning component appears to be the fuel pump controller / fuel pump control unit, and possibly the fuel pump system. The Mercedes-Benz dealer identified water/moisture-related damage and corrosion at the fuel pump controller area. The failed component should be available for inspection if the dealer preserves the part during repair. I have requested that the dealer not discard the damaged component. My safety and the safety of others were put at risk because the fuel pump controller is related to fuel delivery. If it fails, the vehicle may not start, may lose fuel supply, or may stall while driving. This creates a safety risk, especially if the vehicle stalls in traffic, at an intersection, on a highway, or during normal driving. The problem has been confirmed by a Mercedes-Benz dealership. The dealership diagnosed water/moisture damage to the fuel pump controller area and provided an estimate of $768.22 for fuel pump controller replacement, plus $244.88 for the inspection fee. The dealer also indicated that this was the first inspection and that the fuel pump itself may also need further inspection or may have related damage. The vehicle/component has been inspected by a Mercedes-Benz dealership. Mercedes-Benz USA / the manufacturer’s representative has also reviewed the case through its goodwill process, but they refused to treat it as recall-related coverage. To my knowledge, the vehicle has not been inspected by police or insurance representatives. Prior to the current failure, the vehicle had starting/no-start related symptoms beginning around the middle of 2023. The engine could not start successfully at times. I do not recall receiving a clear warning lamp or message specifically identifying the fuel pump controller before the failure. However, the symptoms were consistent with a fuel delivery problem, and the dealer later confirmed water/moisture corrosion damage in the fuel pump controller area.
NHTSA complaint #11739473 — an unverified report by a vehicle owner.
Bastrop, TX
UNKNOWN OR OTHER
In July 2025, the sunroof panel had lifes and was flapping at highway speeds. I immediately contacted a Mercedes-Benz dealer to report the hazard. I was told they were unaware of such an issue and that I would have to pay for the repair out-of-pocket. Due to financial hardship, I could not afford the repair at that time. in. In early February, while driving on the highway, the entire sunroof panel catastrophically detached and flew off the vehicle. This created an immediate and severe road hazard for other drivers. This incident matches the 'adhesive bonding failure' described in other Mercedes-Benz sunroof recalls (e.g., Recall 21V-197), but my specific VIN was not included in that list.
NHTSA complaint #11719355 — an unverified report by a vehicle owner.
Chipley, FL
EXTERIOR LIGHTING
In mid-trip as we were going down the highway went to change lanes and the turn signals were no longer functioning. No errors, no alerts, no warnings they just stopped working. After pulling over and turning off the vehicle and turning back on they work for a time then stop working again. After researching with other owners of these and similar model Mercedes Benz vehicles this is a prevalent and highly dangerous safety issue that many many others have experienced.
NHTSA complaint #11711956 — an unverified report by a vehicle owner.
Chipley, FL
ELECTRICAL SYSTEM
In mid-trip as we were going down the highway went to change lanes and the turn signals were no longer functioning. No errors, no alerts, no warnings they just stopped working. After pulling over and turning off the vehicle and turning back on they work for a time then stop working again. After researching with other owners of these and similar model Mercedes Benz vehicles this is a prevalent and highly dangerous safety issue that many many others have experienced.
NHTSA complaint #11711956 — an unverified report by a vehicle owner.
Chipley, FL
LANE DEPARTURE: BLIND SPOT DETECTION
In mid-trip as we were going down the highway went to change lanes and the turn signals were no longer functioning. No errors, no alerts, no warnings they just stopped working. After pulling over and turning off the vehicle and turning back on they work for a time then stop working again. After researching with other owners of these and similar model Mercedes Benz vehicles this is a prevalent and highly dangerous safety issue that many many others have experienced.
NHTSA complaint #11711956 — an unverified report by a vehicle owner.
Desoto, TX
ENGINE
Cam Shaft replacement diagnosed after week and half visit to Mercedes Benz dealership for engine rattling at cold start up. We are left with a $10,000 repair after performing all scheduled maintenance at the Mercedes Benz dealership since owning in 2015.
NHTSA complaint #11676806 — an unverified report by a vehicle owner.
at 88,000 milesAthens, GA
FUEL SYSTEM, GASOLINE
The contact owns a 2015 Mercedes-Benz ML350. The contact stated that while driving at various speeds, the vehicle shook abnormally before the vehicle lost automotive power. The contact was able to restart the vehicle and take the vehicle to a local dealer. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline); however, the repair failed to prevent the failure. The contact stated that two weeks after the recall repair, the failure reoccurred. The check engine warning light was illuminated. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The vehicle was scanned by a local independent mechanic who retrieved DTC: P035413, A10D, P072102, U016886, V1FBD04, 94C3, V1DAV54, V1DBD31, P030085, and V142E31. The manufacturer was made aware of the failure. The failure mileage was approximately 88,000.
NHTSA complaint #11652759 — an unverified report by a vehicle owner.
at 88,000 milesAthens, GA
FUEL SYSTEM, DIESEL
The contact owns a 2015 Mercedes-Benz ML350. The contact stated that while driving at various speeds, the vehicle shook abnormally before the vehicle lost automotive power. The contact was able to restart the vehicle and take the vehicle to a local dealer. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline); however, the repair failed to prevent the failure. The contact stated that two weeks after the recall repair, the failure reoccurred. The check engine warning light was illuminated. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The vehicle was scanned by a local independent mechanic who retrieved DTC: P035413, A10D, P072102, U016886, V1FBD04, 94C3, V1DAV54, V1DBD31, P030085, and V142E31. The manufacturer was made aware of the failure. The failure mileage was approximately 88,000.
NHTSA complaint #11652759 — an unverified report by a vehicle owner.
New York, NY
SERVICE BRAKES
I was in drive mode and was looking to park the car on the open spot on the street. Had engaged the reverse gear and was attempting to get in the parallel parking spot. While i was doing that, suddenly the wheel locked up and car stopped with a jerk/jolt. Then came warning that the parking brake was not working (Remember I had not engaged the parking brake as I was in drive mode). The locked up wheel would not move and I had great difficulty in making the car safe in the cross traffic. The issue here is parking brake cannot engage by itself. That has nothing to do with the age of the car, it is like the wheel cannot come off just because the car is old. This could have easily happened while the car was in motion at a higher speed, in that case with 1 wheel locked, a car would spin out of control in a moving traffic causing major damage to other vehicles and myself. Mercedes's rep claimed it was a maintenance item. Parking brake engaging by itself is a maintenance item?? We should put a notice to all customers and your life is in danger because the parking brake can engage by itself locking the wheel anywhere anytime. I am very apprehensive of this design which allows for auto lock of a wheel. It must be investigated and all the parking brake systems should be replaced as it can happen to anyone. Thank you
NHTSA complaint #11592867 — an unverified report by a vehicle owner.
at 120,000 milesCranford, NJ
FUEL SYSTEM, GASOLINE
The contact owns a 2015 Mercedes-Benz ML350. The contact stated while reversing, the vehicle stalled and failed to restart. The vehicle was towed to the local mechanic who determined that the fuel pump was faulty and needed to be replaced. The fuel pump was replaced, and the vehicle was repaired. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was included in NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 120,000.
NHTSA complaint #11589651 — an unverified report by a vehicle owner.
at 120,000 milesCranford, NJ
FUEL SYSTEM, DIESEL
The contact owns a 2015 Mercedes-Benz ML350. The contact stated while reversing, the vehicle stalled and failed to restart. The vehicle was towed to the local mechanic who determined that the fuel pump was faulty and needed to be replaced. The fuel pump was replaced, and the vehicle was repaired. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was included in NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 120,000.
NHTSA complaint #11589651 — an unverified report by a vehicle owner.
Williamsburg, VA
UNKNOWN OR OTHER
The center console box will jot close. I have researched and this is a common problem with this car. You can not just replace the closure part it requires a whole new box. This is at a cost of 400.00plus dollars. This is obviously a defect.
NHTSA complaint #11577425 — an unverified report by a vehicle owner.
Pembroke Pines, FL
ENGINE
precense of some liquik oil from up motor litle meiby ist because change oil because i buy recently , i need observed ,ore time today i clean this area.
NHTSA complaint #11565307 — an unverified report by a vehicle owner.
at 58,000 milesGreen Bay, WI
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
The contact owns a 2015 Mercedes Benz ML350. The contact stated that the rear driver’s side door failed to close properly after several attempts. The vehicle was taken to a dealer and the contact asked the mechanic to inspect the vehicle. The door failed to open after several attempts. The contact was provided an estimate for the repair. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 58,000.
NHTSA complaint #11544793 — an unverified report by a vehicle owner.
Miami, FL
POWER TRAIN
The contact owns a 2015 Mercedes-Benz ML350. The contact stated while reversing, there was an abnormal sound coming from the vehicle. No warning light was illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure and determined that the VIN was not included in a recall. The failure mileage was unknown.
NHTSA complaint #11543484 — an unverified report by a vehicle owner.
at 79,000 milesNaugatuck, CT
FUEL SYSTEM, GASOLINE
The contact owns a 2015 Mercedes-Benz ML350. The contact stated while driving at undisclosed speeds, the vehicle temporarily lost motive power before returning to normal driving functionality. There was no warning light illuminated. The vehicle was taken to a dealer and the contact was informed that the check engine light displayed after repairing the vehicle under NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 79,000.
NHTSA complaint #11540040 — an unverified report by a vehicle owner.
at 79,000 milesNaugatuck, CT
FUEL SYSTEM, DIESEL
The contact owns a 2015 Mercedes-Benz ML350. The contact stated while driving at undisclosed speeds, the vehicle temporarily lost motive power before returning to normal driving functionality. There was no warning light illuminated. The vehicle was taken to a dealer and the contact was informed that the check engine light displayed after repairing the vehicle under NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 79,000.
NHTSA complaint #11540040 — an unverified report by a vehicle owner.
Livingston, NJ
SUSPENSION
In April 2023, while performing a rear brake service both right and left suspension springs were found with deteriorated suspension spring coating, corrosion and breakage of the coil springs. Suspension spring failure poses a safety hazard and risk of damage to other suspension components. It is unclear when exactly the springs broke but when the vehicle was inspected in Feb of 2022 there was no mention of spring breakage. The date of incident is the date I discovered the spring breaks. I only took a pic of the one spring but both were confirmed broken. MB dealership confirmed breakage. Communication with Mercedes Benz was not successful.
NHTSA complaint #11525691 — an unverified report by a vehicle owner.
at 104,000 milesNew Orleans, LA
FUEL SYSTEM, GASOLINE
The contact owns a 2015 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving approximately 40 MPH, the vehicle started to lose motive power and was making an abnormal sputtering sound as if the vehicle was running out of gasoline. The contact stated that the vehicle stalled with the check engine warning light illuminated. The contact pulled over and was able restart the vehicle. The failure had become a recurring failure. The manufacturer had not been made aware of the failure. The failure mileage was approximately 104,000. Parts distribution disconnect.
NHTSA complaint #11523279 — an unverified report by a vehicle owner.
at 104,000 milesNew Orleans, LA
FUEL SYSTEM, DIESEL
The contact owns a 2015 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving approximately 40 MPH, the vehicle started to lose motive power and was making an abnormal sputtering sound as if the vehicle was running out of gasoline. The contact stated that the vehicle stalled with the check engine warning light illuminated. The contact pulled over and was able restart the vehicle. The failure had become a recurring failure. The manufacturer had not been made aware of the failure. The failure mileage was approximately 104,000. Parts distribution disconnect.
NHTSA complaint #11523279 — an unverified report by a vehicle owner.
San Jose, CA
ENGINE
Engine stalled multiple times even though it has been serviced multiple times at multiple dealers.
NHTSA complaint #11517158 — an unverified report by a vehicle owner.
Dallas, TX
ENGINE
I took my car in for a different repair and they found this issue as well. "Diagnostic - Oil leak (Visual): front covers leaking oil down front of engine." The leak was due to a crack in the sealing cap. My car 2015 Mercedes ML350 4Matic is in the recall for 2018070015 but my VIN number was not included in the recall although I am having the exact issues the recall covers. Recall 2018070015 "correct oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out."
NHTSA complaint #11508373 — an unverified report by a vehicle owner.
Denver, CO
UNKNOWN OR OTHER
There is a recall for this significant safety risk. I contacted my local Mercedes Benz about recall remedy on 6 January 2023 and they confirmed the recall and said MB would issue steps to get this taken care of in the beginning of February. It is now 18 February 2023 and this has not happened and I have received no communication from MB and yet the safety risk still exists and could be life threatening.
NHTSA complaint #11507997 — an unverified report by a vehicle owner.
Denver, CO
ENGINE
There is a recall for this significant safety risk. I contacted my local Mercedes Benz about recall remedy on 6 January 2023 and they confirmed the recall and said MB would issue steps to get this taken care of in the beginning of February. It is now 18 February 2023 and this has not happened and I have received no communication from MB and yet the safety risk still exists and could be life threatening.
NHTSA complaint #11507997 — an unverified report by a vehicle owner.
Denver, CO
FUEL/PROPULSION SYSTEM
There is a recall for this significant safety risk. I contacted my local Mercedes Benz about recall remedy on 6 January 2023 and they confirmed the recall and said MB would issue steps to get this taken care of in the beginning of February. It is now 18 February 2023 and this has not happened and I have received no communication from MB and yet the safety risk still exists and could be life threatening.
NHTSA complaint #11507997 — an unverified report by a vehicle owner.