2011 Mercedes-Benz ML550 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
6 owner complaints analyzed
3 distinct recall campaigns
8,000 mi median reported failure mileage
Scope: 2011 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Air Bags is the most frequently named component, appearing in 2 of 6 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 16.7% |
| Electrical and battery issues | 1 | 16.7% |
| Steering behavior | 1 | 16.7% |
| Fuel system concerns | 1 | 16.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Air Bags | 2 |
| Electrical System | 1 |
| Electrical System:Wiring | 1 |
| Exterior Lighting:Back Up Lights | 1 |
| Exterior Lighting:Brake Lights | 1 |
| Exterior Lighting:Tail Lights | 1 |
| Service Brakes | 1 |
| Steering | 1 |
Air Bags: 2; Electrical System: 1; Electrical System:Wiring: 1; Exterior Lighting:Back Up Lights: 1; Exterior Lighting:Brake Lights: 1; Exterior Lighting:Tail Lights: 1; Service Brakes: 1; Steering: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2011 | 1 |
| 2014 | 2 |
| 2017 | 2 |
| 2022 | 1 |
2011: 1; 2014: 2; 2017: 2; 2022: 1
Pattern summary
Air Bags leads the component reports. Braking behavior appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Steering behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10416657 · 2011-08-02 (August 2, 2011)
YESTERDAY, I WAS DRIVING OUR 2011 MERCEDES ML550 ON A CALIFORNIA HIGHWAY, AND SUDDENLY LOST MY BRAKE LIGHTS, TURN SIGNAL LIGHTS AND REVERSE LIGHTS, DUE TO A RODENT EATING THE WIRING OF THE CAR. THIS IS THE SECOND TIME THIS YEAR A RODENT HAS EATEN THE WIRING OF THIS CAR. 4 MONTHS AGO A RODENT ATE THE MAIN WIRING LOOM AND THE REPAIR COST $1000. WE HAVE OWNED 5 DIFFERENT MERCEDES BENZ MODELS OVER THE LAST 7 YEARS. THE WIRING FOR EACH OF THESE CARS HAS BEEN EATEN BY RODENTS MORE THAN ONCE AND CAUSED US THOUSANDS OF DOLLARS WORTH OF DAMAGE (OBVIOUSL…
Owner-reported narrative. 8,000 miles reported. Look up ODI 10416657 at NHTSA ↗
Owner report 10631401 · 2014-09-07 (September 7, 2014)
THE CAR WOULD MAKE LOUD NOISES EVEN AT A SMALL SPEED, SERVICE MGR AT SMYTHE TOLD ME THAT MB HAD THIS DEFECT AND HE STATED HE PUT LOCTITE 648 PER MY NOTES O 8/24./2012 AT 9N WHEEL BEARING(S)! MB SHOULD NOT HAVE SUCH A PROBLEM. MY PREVIOUS ML 500 ALSO HAD A STEERING PROBLEM AND MB NEVER NOTIFIED US BUT FIXED IT AFTER THE WARRANTY AS THEY KNEW ABOUT IT ACCORDING TO SMYTHE SVC MGR. I THINK MB MUST BE PROACTIVE IN RECTIFYING SUCH PROBLEMS AS WE DO NOT WANT THEM TO CAUSE PROBLEMS AFTER THE WARRANTY EXP.! [XXX] INFORMATION REDACTED PURSUANT TO T…
Owner-reported narrative. 2,047 miles reported. Look up ODI 10631401 at NHTSA ↗
Owner report 11465108 · 2022-05-18 (May 18, 2022)
The break line in the rear locate right above the gas tank is corroded by rust due to the clip is holding the break line allows the moisture to accumulate. The car will lose its break completely when this happens. There is no way for the car owner to inspect this problem until the car has no break power.
Owner-reported narrative. Look up ODI 11465108 at NHTSA ↗