Mercedes-Benz ML-Class Complaints

497 consumer complaints on file.

#11521252May 9, 2023
AIR BAGS
Nearest dealership refused to complete the recall repairs. On March 6, during a moving traffic accident that totaled both cars, the air bags failed to deploy, resulting in injury to the driver (me).
Crash:
Yes
Fire:
No
Injuries:
2
Deaths:
0
#11519927May 1, 2023
SEATS
Traveling on my way home from Arizona and as my back was hurting turned on heated seats…I also had air conditioning running due to dogs in back seat…I started noticing what felt like a pinching sensation where my butt and legs meet…Stopped thr car at next rest area and noticed butt really hurt when I slid out of car…felt back there and area and hurt like heck..got into my Rv that a friend was driving and looked at it!! 2nd degree blisters/burns from heated seats!! I thought “what the heck?”as I didn’t have any marks on the seat!! Clearly the temperature spiked and causes the burns!’ I looked it up and see that MB has had a long history of this…and major litigation. But no recall!! I have pictures!! (But for obvious reasons can’t send here) I had a miserable ride home and the pain continues! It is embarrassing but I want to make sure other unsuspecting people don’t have this happen! Plus, I want it fixed…!
Crash:
No
Fire:
No
Injuries:
1
Deaths:
0
#11517158April 14, 2023
ENGINE
Engine stalled multiple times even though it has been serviced multiple times at multiple dealers.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11511930March 15, 2023
ELECTRICAL SYSTEM, ENGINE, LANE DEPARTURE: BLIND SPOT DETECTION
In the last year, randomly, when starting the vehicle, the yellow check engine light comes on. Turn the vehicle off, it is gone. The side view mirrors have the yellow lights lit up on them when driving down any road, the red warning lights that tell you there's something behind or in front of you start going off for no reason while driving down any road, all the "safety" and lane assist features seem to have a ghost controlling them. The radio will also glitch out from time to time. It will swap through the channels or pull up list of channels when there is Nobody in the vehicle messing with it at all. Yesterday, I received the message that the backup assist was not working and another about lane assist not working. This morning, both messages are gone and things seem to be normal. This is very distracting! I've been on the highway, in the high speed lane and my alert is flashing and loudly sounding. It startled me, caused me to abruptly slow down and start looking all around; I was concerned someone was about to hit me or worse, I was about to hit something I couldn't see; it turns out there was nothing in front of, behind or around me at all. This needs to get resolved, asap. It appears to me to be a computer/electrical issue. It seems that there are many others complaining about very similar issues! Come on Mercedes-Benz, let's put out the recall already! The dealership just says "unless it's doing it while it's here, there's not much I can do". Of course it is never doing it then! Unreal!!!!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11511621March 13, 2023
ENGINE, ELECTRICAL SYSTEM, UNKNOWN OR OTHER
I am writing in regards to my 2014 ML 350 Suv. The check engine light came on and upon taking it to the mercedes dealership, I was told the issue is that the camshaft adjusters have failed and need to be replaced. The cost quoted is over $11,000 to repair. Upon further investigation I found reports on multiple lawsuits for the Mercedes C series for the same year (2012-2014) that resulted also in a recall whereby customers were given a recall to replace at no charge the camshaft adjusters up to 120k miles. My car only has 83k and I am told by two independent mechanics that the camshaft adjuster should not be failing like this and that this has been an ongoing issue with Mercedes. The safety issue is that I am told by independent mechanics that what could happen over time is that I could be driving and the entire engine/power just shuts off. This could even happen at high speeds on the highway. The mercedes dealer tells me there is no safety issues that could result from camshaft adjuster problems which doesn't appear to be true as per the other independent mechanics. I request further investigation into this issue because as per the independent mechanics its the "same engine" as the 2012-2014 that are under the recall . I'm requesting a recall on this for my car that Mercedes pays for. This should not be failing especially in a car with only 83k on it . If the C series 2012-2014 received recall on this part then I also think my ML 350 should be covered. Mercedes customer service tells me they cannot pay for the repair, they said I could file complaint for recall through NHTSA Thank you .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11511393March 12, 2023
AIR BAGS, SERVICE BRAKES
I have reached out to Mercedes-Benz to have the 2 recalls fixed. They tell me I will receive a letter with instructions. I have not received any letters and it's been more than 6 months.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11511019March 9, 2023
ELECTRICAL SYSTEM, EXTERIOR LIGHTING, STEERING
The steering column does not operate properly. The column no longer adjusts positions and more importantly, the turn signals work ad-hoc. When you start the vehicle, the turn signals tend to operate properly; however, after driving for approximately 15 minutes, the turn signals operate sporadically. THIS IS A SAFETY CONCERN as it's impossible to know when the turn signal will operate correctly or not, thus creating a hazard to me and others on the road. It is my understanding from investigating this online that this is a systemic issue with this model and not unique to my vehicle (just google "2012 Mercedes ml350 turn signal problems"). I discussed this with Mercedes Benz USA and they told me that the only way to resolve this issue is to replace the steering column (part #: 166-460-62-00) at the cost of $3,373.81. I hope that the NHTSA investigates this further as Mercedes-Benz has decided to ignore this safety issue that may cause harm or death. Sincerely, [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11510751March 8, 2023
SERVICE BRAKES
Brakes died in may, 2022 and it took the dealer to September to inspect as it was part of recall. They told me they had to order the part so i called every 3 weeks to see if it came in. In december they said they need to inspect to see if it is covered. Again they inspected and said yes it is and we need to order the part (this is Crown Eurocar Mercedes in St Petersburg). At the same time I called Mercedes USA (they gave me a case number 2-37306691522). They picked up the car in December and since then it has been the same run around. THEY ARE NOT ATTEMPTING TO FIX THE PROBLEM. I am begging your department to help in this matter.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11510655March 7, 2023
ENGINE, ELECTRICAL SYSTEM
Known defect with timing issues that give code P0016. All cars should be part of this recall regardless of mileage on a known defect. This repair is extremely expensive and wouldn’t be needed if built correctly.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11509505February 28, 2023
FUEL SYSTEM, GASOLINE
The contact owns a 2011 Mercedes-Benz ML350. The contact stated while driving 45 MPH, the contact noticed that the check engine warning light was illuminated. The contact stated that the message indicating an EVAP leak was displayed. The contact checked and noticed that there was a leak underneath the vehicle coming from the fuel tank. The vehicle was not diagnosed. The manufacturer was not contacted. The failure mileage was 114,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11508373February 21, 2023
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."
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11507997February 18, 2023
ENGINE, FUEL/PROPULSION SYSTEM, 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.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11508024February 18, 2023
LANE DEPARTURE: BLIND SPOT DETECTION
Blind spot inoperative message appeared while driving. Upon doing diagnosis with OBDII tester a fault was found with the left rear radar unit. There seem to be many social media accounts of these units failing due to water intrusion from apparently poor or defective water sealing. This may cause lane intrusion accidents due drivers being accustomed to the warning system working and notifying them of a vehicle in the blind spot. 2013 Mercedes Benz ML350 4Matic. Thank you for your consideration. Fault verified by OBDII tester. Vehicle not yet involved in an accident. Fault message was intermittent for several weeks before finally constant, Blind Spot Inoperative message stayed on.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11507737February 17, 2023
ELECTRICAL SYSTEM, ENGINE
Oil leaked thru wiring harness in to ECU and 02 sensors massive damage on car harness
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11506040February 7, 2023
SERVICE BRAKES
The brake booster failed while driving and I almost got in an accident. The brakes did not fully work and started pulsating almost like if the antilock system engaged. The brake booster was leaking air around the piston that attaches to the brake pedal. You could hear the air leaking when the pedal was pressed. It has been repaired at he MB dealer for about $2300. There were no indications of a malfunction, no lights or errors showed up.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11505542February 4, 2023
STRUCTURE:BODY
Power Sun ROOF is coming off the tracks of the roof which it is attach to. I feel this is an extreme safety hazard because I believe it will eventually come off my vehicle and cause a serious accident flying into another vehicle or even a pedestrian. This was fixed by Mercedes Benz [ BENZE BUSCH of NJ ] back in to 2018 and now it is doing it again.I Contacted the dealer again about this and they refuse to repair saying Vehicle is out of warranty.I also contacted Mercedes Benz corporate Headquarters and they refuse to acknowledge the problem.Obviously this is a defect in the vehicle. I researched that they have had similar problems with other vehicles SUN ROOF problems and they acknowledge those facts and repaired them. I previously filed a complaint with the NHTSA ID #11478665 but it seems that you didn't have all the facts. Please look into this matter again now that you do. Thank YOU
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11504527January 30, 2023
ELECTRICAL SYSTEM
The contact owns a 2014 Mercedes-Benz ML350. The contact stated that while at a stop light, the vehicle lost motive and electric power and stalled without warning. The contact restarted the vehicle, but the vehicle failed to remain running. The vehicle was towed to an independent mechanic and the contact was informed that water had intruded into the rear of the vehicle causing electrical failures. The vehicle was not repaired because the Insurance Company deemed the vehicle a total loss. The manufacturer was contacted but offered no assistance. The failure mileage was 60,000. The contact stated that the interior of the vehicle has to be dried out first in order to assess the damage to the electrical system. The contact noted the failure mileage was 60379.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11502923January 21, 2023
FUEL/PROPULSION SYSTEM, UNKNOWN OR OTHER, ENGINE
My viechle is loss of propulsion without warning on the freeway last week on a raining day. After brought the car to West Covina Dealer inspected the car is leaking water that has entered the spare wheel well, the accumulated water could intermittently contact the fuel pump control unit caused loss propulsion. And there are some circuit boards and wires damaged due to a water leak and not drive able. The West Covina MB dealer is refuse to fix until MBusa responsible for the cost. Please help what other option we have about this issue?
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11502331January 18, 2023
UNKNOWN OR OTHER
Unknown
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11502264January 17, 2023
SUSPENSION
The contact owns a 2013 Mercedes-Benz ML350. The contact stated that after starting the vehicle and shifting into drive(D), the vehicle would not accelerate above 15 MPH. The contact stated that the accelerator pedal was depressed; however, the vehicle failed to exceed 15 MPH. The contact pulled over, stopped, turned off, and restarted the vehicle and was able to resume normal driving. The contact stated that the traction control warning light was illuminated. The contact stated that the failure was intermittent at first but became a recurring failure. The contact had taken the vehicle to a local dealer, who diagnosed and determined that oil had leaked from the reservoir oil cap onto the alternator and damaged the alternator. The vehicle had not been repaired. The manufacturer had been informed of the failure. The contact researched online and related the failure to NHTSA Campaign Number: 18V272000 (Suspension). The failure mileage was approximately 125,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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