2012 Mercedes-Benz ML350Problems, recalls & complaints

NHTSA has logged 65 owner complaints about the 2012 Mercedes-Benz ML350, most often about the engine. It is covered by 3 safety recalls, and for recall 22V-955 the manufacturer reports only 67% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 13, 2026. Updated daily.

Complaints by system

Where the 2012 Mercedes-Benz ML350 has problems

65 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine211
Fuel/propulsion system122
Electrical system111
Exterior lighting92
Steering71
Power train60
Lane departure40
Seat belts30
Structure30
11 other systems171

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2012 Mercedes-Benz ML350 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

67%repaired · 2025 Q4

Fuel pump: control/drive module

Recall 22V-955 · Dec 23, 2022 · 348,183 vehicles · 233,290 repaired

Risk. An engine stall while driving increases the risk of a crash.

Problem, fix and repair progress →

94%repaired · 2019 Q4

Suspension: front

Recall 18V-272 · Apr 27, 2018 · 9,725 vehicles · 9,138 repaired

Risk. The leaking oil in the presence of an ignition source can increase the risk of a fire.

Problem, fix and repair progress →

86%repaired · 2018 Q3

Frontal: sensor/control module-inactive

Recall 17V-177 · Mar 14, 2017 · 51 vehicles · 44 repaired

Risk. If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2012 vs. every other ML350 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the ML350 median. How we score

'03'04'05'06'07'08'09'10'11'12'13'14'15
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What ML350 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

My name is [XXX] My vehicle cut off on me 3 times twice while stationary and once at an intersection. Found oil in engine control module due to failed cam position sensors. Oil has traveled through the engine harness to ECM causing oil to get into module and cause it to shut down but it did start…
Complaint 11637887 · Jan 23, 2025
The contact owns a 2012 Mercedes-Benz ML350. The contact stated while driving uphill at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. In addition, the contact stated that the vehicle was shaking abnormally. The contact stated that…
Complaint 11628291 · Dec 2, 2024 · 65,000 miles
CUANDO ENCIENDO MI GUAGUA HACE UN RUIDO MUY FUERTE Y SE SIENTE COMO SI SE VA A APAGAR. EL MOTOR SE PUEDE ROMPER EN CUALQUIER MOMENTO. SI SE HA LLEVADO A DIFERENTES TALLERES PARA CONFIRMAR EL RUIDO Y ME REFIEREN QUE SON MAS DE 80 GUAGUAS QUE HAN VISITADO SU TALLER CON EL MISMO PROBLEMA. NO PRESENTA…
Complaint 11546781 · Sep 27, 2023

Own a 2012 ML350?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.