Fuel pump: control/drive module
Risk. An engine stall while driving increases the risk of a crash.
NHTSA has logged 68 owner complaints about the 2014 Mercedes-Benz ML350, most often about the electrical system. It is covered by 4 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 September 1, 2026. Updated daily. Photo: EurovisionNim, CC BY-SA 4.0.
68 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 20 | 0 |
| Engine | 16 | 0 |
| Fuel/propulsion system | 7 | 0 |
| Fuel system, diesel | 5 | 0 |
| Structure | 5 | 2 |
| Lane departure | 5 | 0 |
| Air bags | 4 | 1 |
| Fuel system, gasoline | 4 | 0 |
| Power train | 4 | 0 |
| 11 other systems | 19 | 7 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
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.
Risk. An engine stall while driving increases the risk of a crash.
Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Risk. The leaking oil in the presence of an ignition source can increase the risk of a fire.
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.
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.
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
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Vehicle: 2014 Mercedes-Benz ML350 VIN: [XXX] I have experienced repeated failures of the Blind Spot Assist / driver-assist system since purchasing this vehicle. When I first purchased the ML350 in Texas, the vehicle already showed warning messages (“Blind Spot Assist Inoperative / Pre-Safe Function…
I purchased a used Mercedes-Benz from Freehold Mitsubishi in early 2024. Within hours, serious safety issues appeared, including a check engine light, cylinder misfire, EVAP leak, traction control failure, and blind spot assist malfunction. The vehicle’s ECM and wiring harness were later found…
I purchased my car used at the Mercedes dealership in Tyler Texas June 2023. I took all my savings and paid cash and was told that the car was impeccable shape and there were no current issues and all the service records were up to date. November 2023 is when everything started happening and my…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.