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ProblemsByVin Index / 2015-MERCEDES-BENZ-ML-CLASS / COMPLAINTS
Full complaint record · NHTSA

2015 Mercedes-Benz ML-Class owner complaints

66 complaints filed with NHTSA on this vehicle , including 5 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

other 5 complaints shown

12/28/2019 Crash ODI #11291755.0

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.

09/27/2016 13,000 mi ODI #10910097.0

Sunroof was found shattered after the vehicle was parked on a residential street. No evidence of vandalism. Found out after opening the door & closing it - heard the shattered glass fall onto the interior sunroof visor. No visible damage that might indicate the cause of the shattered glass. The four corners of the sunroof were sunken in slightly, and the middle portion flexed upward. There has been no recent extreme heat recently.

09/15/2023 58,000 mi ODI #11544793.0

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.

08/31/2022 ODI #11482258.0

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

08/14/2017 20,000 mi ODI #11015161.0

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 functio

powertrain 3 complaints shown

7 total in this category · severe · avg repair $2,500 · see powertrain cluster analysis →
12/09/2016 19,300 mi Crash ODI #10934032.0

Tl* the contact owns a 2015 Mercedes-benz ml350. The contact stated that while the vehicle was in reverse and the brake pedal was depressed, the vehicle accelerated independently. The vehicle crashed into a wall and the rear window broke. The contact stated that the vehicle accelerated up to 19 MPH in reverse. The contact stated that the vehicle then switched gears into drive independently, lunged forward, and crashed into the garage. The contact stated that there was extensive damage to the front and rear of the vehicle. There were no injuries and a police report was not filed. The contact was not offered an explanation for the independent acceleration. The manufacturer was notified of the failure. The approximate failure mileage was 19,300. Updated 01/31/17*lj the consumer stated th

09/08/2023 ODI #11543484.0

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.

08/15/2019 74,000 mi ODI #11244284.0

Tl* the contact owns a 2015 Mercedes-benz ml350. While driving on a level road surface and making a turn, the vehicle made an abnormal noise. The contact took the vehicle to an independent mechanic who stated that the driveshaft failed. The mechanic advised the contact to take the vehicle to a dealer. The manufacturer was contacted and stated that the vehicle was not included in NHTSA campaign number: 16v900000 (power train). The dealer was not contacted. The vehicle was not repaired. The failure mileage was 74,000.

engine 3 complaints shown

9 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
10/10/2019 30,000 mi ODI #11267649.0

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.

09/30/2022 70,273 mi ODI #11487180.0

The contact owns a 2015 Mercedes-Benz ML350. The contact stated while driving at an undisclosed speed, the engine seized without warning. The vehicle was towed to the local dealer where it was diagnosed there was a possible mechanical break down due to engine sludge, ignition varnish rust, corrosion, dust, cracked rubber, dry rot, road chemicals, alterations or improper oil, coolant, fuel, or lubricants. The vehicle was not repaired. The manufacturer was not contacted. The approximate failure mileage was 70,273. The contact stated that they did not submit this complaint and the vehicle actually belongs to another individual.

08/22/2017 15,750 mi ODI #11018897.0

Vehicle purchased new 16k miles on it now all work done at dealer, shuts off randomly with no warning at stop idle or highway driving. Extremely dangerous I have taken it to the dealer 4 times for the same issue. The dealer has updated software they said should resolve problem. This intermittent problem has occurred again and no codes found by the dealer. Mercedes benz usa attempting to find resolution but won't send out an engineer since dealer can't replicate the problem. Very dangerous situation for me and my family and others on the road........

body 2 complaints shown

4 total in this category · severe · avg repair $1,500 · see body cluster analysis →
12/21/2015 5,000 mi Crash ODI #10811571.0

I recently purchased a new ml350 from Mercedes benz of burlington, ma and I have a 'safety' related issue with the lift gate. I went to move the vehicle, not knowing that the lift gate was open.there was no warning or any indication that the lift gate was open!! I have owned 2 Acura mdx's and both gave loud warnings when the car is put into drive and the lift gate is open. I believe this is an obvious safety oversight by Mercedes in their design as the tailgate warning does not come on until a certain speed is reached. The warning should be evident the moment the car is put into drive. I believe this is a serious safety design flaw that could lead to injuries if someone, or even a dog, was in the back and the car drove forward with the lift gate open. I just spoke with a Mercedes cu

08/17/2022 ODI #11479779.0

Neither back doors on my 2015 ML350 lock. Even after you try to lock them from the inside anyone can open the doors from the outside. This is a huge safety hazard because someone could easily car jack the car while you are in it. I bought the car new from the local dealer and i have reported this to the dealership and they said it was a known problem and that acutuators on both doors needed to be replaced at a large cost to me. I wrote to Mercedes Corporate to report this and to ask for financial assistance in trying to get it corrected and was told to just report it to you. Thank you for any assistance that you can provide.

steering 2 complaints shown

6 total in this category · critical · avg repair $700 · see steering cluster analysis →
12/11/2022 ODI #11496940.0

Steering wheel tilt adjustment failed. Without adjustment it is impossible to steer the automobile safely due to hand placement for control. This is apparent especially when there are multiple drivers. There is not a manual over ride since the system is controled electrically

09/15/2018 Crash ODI #11129683.0

I was driving on the freeway and all of sudden my car started steering horizontally on the right. Car was auto controlled and out of my control. The steering wheel failed to respond and steer. I got into a major life threatening car crash.

airbags 2 complaints shown

3 total in this category · severe · avg repair $1,100 · see airbags cluster analysis →
09/28/2022 ODI #11486917.0

takata airbags- call Mercedes Benz of Draper says it is not on their list????

08/17/2023 Crash ODI #11539120.0

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.

fuel system 2 complaints shown

5 total in this category · moderate · avg repair $1,200 · see fuel system cluster analysis →
08/22/2023 79,000 mi ODI #11540040.0

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.

08/22/2023 79,000 mi ODI #11540104.0

The contact owns a 2015 Mercedes-Benz ML400. The contact stated while driving 45 MPH, the vehicle lost motive power without warning. The vehicle was towed to the residence. The dealer was contacted and stated the vehicle was not included in NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The vehicle was not diagnosed. The vehicle was not repaired. The manufacturer was contacted and stated that the VIN was not included in the recall. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 79,000.

cruise control 1 complaint shown

12/11/2016 19,000 mi ODI #10934530.0

Going to work in the morning and pulling out of the garage my foot was on the brake not the accelerator in reverse suddenly the car surged by itself while I had my foot on the brake. The car went in reverse very fast hitting our side concrete side wall. (the distance is about (28ft) the impact was so hard that the passenger window was completely broken and the passenger side of the back frame of the Mercedes was smashed. It happened so fast that I lost control of the vehicle I could not stop the car the brakes did not work. After I hit the wall I was jolted forward and I smashed the front end of the car with the garage. The car finally stopped in the middle of the driveway. Again, I did not put the car in drive when I was jolted forward the car went forward from the impact of the hit fr

Showing 300 of 66 total complaints. The full federal record is available at nhtsa.gov/vehicle/2015/Mercedes-Benz/ML-Class#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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