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2007 Mercedes-Benz ML320Problems, recalls & complaints

NHTSA has logged 16 owner complaints about the 2007 Mercedes-Benz ML320, most often about the engine and engine cooling. It is covered by 2 safety recalls, and for recall 24V-298 the manufacturer reports only 3% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls2Lowest repair rate 3%Owner complaints163 with a crash, fire or injuryTypical failure mileage36kEngine and engine cooling, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 26, 2024. Updated daily.

Complaints by system

Where the 2007 Mercedes-Benz ML320 has problems

16 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
Engine and engine cooling51
Seats32
Power train20
Electrical system20
Service brakes, hydraulic20
Steering10
Fuel/propulsion system10
Fuel system, gasoline10
Service brakes10
1 other systems10

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

2 recalls

2007 Mercedes-Benz ML320 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.

3%repaired · 2026 Q1

Power assist: vacuum

Do not drive

Recall 24V-298 · Apr 26, 2024 · 15,604 vehicles · 439 repaired

Risk. Reduced brake performance or brake failure can increase the risk of a crash.

Problem, fix and repair progress →

43%repaired · 2025 Q4

Power assist: vacuum

Do not drive

Recall 22V-315 · May 9, 2022 · 350,294 vehicles · 149,456 repaired

Risk. Reduced brake performance or brake failure can increase the risk 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

2007 vs. every other ML320 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 ML320 median. How we score

'98'99'00'01'02'03'05'06'07'08'09'10'11
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What ML320 owners report

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

TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ ML320. WHILE THE CONTACT WAS MERGING INTO HIGHWAY TRAFFIC, WHITE AND GRAY WAS SEEN UNDER THE HOOD OF THE VEHICLE. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD AND TURNED OFF THE ENGINE. PRIOR TO THE FAILURE, THE VEHICLE HESITATED WHILE…
Complaint 11091228 · May 1, 2018 · 224,000 miles
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ ML320. THE CONTACT WAS DRIVING 55 MPH WHEN THE CHECK ENGINE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE THE DEALER STATED THAT THE EMISSION CONTROL NEEDED TO BE REPLACED. THE VEHICLE WAS…
Complaint 10457017 · May 1, 2012 · 82,000 miles
I PURCHASED A USED 2007 MERCEDES ML320 CDI ON MARCH 12. AFTER A WEEK OF DRIVING - I INSPECTED THE ENGINE COMPARTMENT (I USUALLY DO). I NOTICED ENGINE OIL DRIPPING (SMALL BUT NOTICEABLE AMOUNT) ON THE SERPENTINE BELT. I DID NOT THINK IT WAS URGENT - SO I TOOK PICTURES SO I CAN SEND IT TO MY SELLER…
Complaint 10393093 · Mar 28, 2011 · 36,000 miles

Own a 2007 ML320?

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