2004 Mercedes Benz Ml350 problems, complaints & recalls
Most-reported problem areas: Steering (6) · Seats (4) · Air Bags (4)
🧭 Reliability snapshot
Compared against other Mercedes Benz Ml350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
28 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (66)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Exterior Lighting 2026-04-16 · LI82.10-P-078301 · Service Bulletin/Repair Instructions
complaint headlamp, front fog lamp leaky or fogged. cause fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. it does not lead to any technical impairment of the headlamp. if a pressure compensation diaphragm is fitted in the housing cover, then the l
Exterior Lighting 2026-03-09 · LI82.10-P-078301 · Service Bulletin/Repair Instructions
complaint headlamp, front fog lamp leaky or fogged cause fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. it does not lead to any technical impairment of the headlamp. if a pressure compensation diaphragm is fitted in the housing cover, then the la
Showing the 6 most recent of 66 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-03-22 · Unknown Or Other“oem jack failed without warning. no injuries but it could have been bad. car got stuck and spinning wheels dug into a region of hard packed snow over a gravel driveway at my father's house. i was using the jack to lift the wheels out of their holes so i could fill the hole with chunks of wood. to spread the load on the snow the base of t…”
2021-09-03 · Fuel/Propulsion System“hello my check engine light is on in my 2004 mercedes ml350 so i took it to a mercedes dealership for inspection and repairs. they kept my suv for 8 days and finally called me back and said they believe the check engine light is on because i need to replace my charcoal canister shut off valve. now this component takes the gas vapors that has not be…”
2020-06-14 · Air Bags · 178,000 mi“the air bag light came on when the car hit 170.000 miles…”
2019-05-16 · Seats · 100,000 mi“front seats gets very hot whenever we turn on the seat warmer option. this started to happen at least from 5 to 6 months. we are scared it might burn our backs. thanks…”
2018-05-21 · Steering · 162,000 mi“leakage of power steering fluid coming from hoses, or pipe, or some connection. i was about to leave when i started my car only to hear a loud whining noise and a hard-to-turn steering wheel.…”
2017-09-18 · Exterior Lighting“discovered brittle, broken and missing wiring insulation on the headlight wiring inside the headlamp assembly. this was a dangerous situation that allowed the positive and negative wires to come in contact with each other creating a short.…”
2016-12-21 · Steering · 90,000 mi“tl* the contact owns a 2004 mercedes-benz ml350. while driving various speeds, the power steering malfunctioned. the steering wheel was difficult to turn and the steering fluid had to be replaced several times. the contact stated that the steering wheel made a loud grinding noise when it was turned and power steering fluid leaked from the column. i…”
2016-03-17 · Power Train · 165,000 mi“transmission disengages at highway speeds…”
2016-02-21 · Exterior Lighting · 96,000 mi“during a routine change of a headlight lamp, the maintenance technician discover that the insulation on all four wires in the left front headlight assembly were cracked, disintegrating and missing leaving the bare wires exposed. the maintenance technician would not change the bulb until a new wiring harness was fabricated and the discrepancy was c…”
2015-09-15 · Service Brakes · 10,040 mi“tl* the contact owns a 2004 mercedes benz ml350. while driving 30 mph, the brake pedal was depressed and traveled all the way down to the floorboard without warning. the contact was able to stop the vehicle by slowing down on a curb. the vehicle was towed to the dealer, but was not diagnosed or repaired. the manufacturer was made aware of the failu…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.