2012 Mercedes-Benz ML550: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
2 distinct recall campaigns
Not available median reported failure mileage
Scope: 2012 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 100.0% |
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 |
|---|---|
| Electrical System | 1 |
| Engine | 1 |
| Lane Departure: Blind Spot Detection | 1 |
Electrical System: 1; Engine: 1; Lane Departure: Blind Spot Detection: 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 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 1 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 |
|---|---|
| 2023 | 1 |
2023: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues 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.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11511930 · 2023-03-15 (March 15, 2023)
In the last year, randomly, when starting the vehicle, the yellow check engine light comes on. Turn the vehicle off, it is gone. The side view mirrors have the yellow lights lit up on them when driving down any road, the red warning lights that tell you there's something behind or in front of you start going off for no reason while driving down any road, all the "safety" and lane assist features seem to have a ghost controlling them. The radio will also glitch out from time to time. It will swap through the channels or pull up list of chan…
Owner-reported narrative. Look up ODI 11511930 at NHTSA ↗
Recall history
2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
18V272000 · Suspension:Front
Reported: 2018-04-27 (April 27, 2018)
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
Consequence: The leaking oil in the presence of an ignition source can increase the risk of a fire.
Remedy: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.
NHTSA campaign record ↗22V955000 · Fuel System, Gasoline:Delivery:Fuel Pump:Control/Drive Module | Fuel System, Diesel:Delivery:Fuel Pump:Control/Drive Module
Reported: 2022-12-23 (December 23, 2022)
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.
Consequence: An engine stall while driving increases the risk of a crash.
Remedy: Dealers will install a water drain plug, inspect for water intrusion, and replace the fuel pump control unit as necessary, free of charge. Owner notification letters were mailed February 15, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2023010002 and 2023010003.
NHTSA campaign record ↗