2012 Mercedes-Benz ML550 Problems, Complaints & Recalls
- Compared with other ML550 years
- Not enough data 7th of 7 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2012 Mercedes-Benz ML550. That ranks 7th out of 7 ML550 model years for complaints. The most reported problem area is electrical system (1 complaints, 100%). There are 2 safety recalls covering this model year.
- 1owner complaints
- 2safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2012 Mercedes-Benz ML550 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 1 | 100% | — | — | — |
| Engine | 1 | 100% | — | — | — |
| Lane Departure | 1 | 100% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2012 Mercedes-Benz ML550 recalls (2)
Tap a recall to see the problem, the risk and the fix.
Fuel system, gasoline:delivery:fuel pump:control/drive module; fuel system, diesel:delivery:fuel pump:control/drive module
Problem: 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.
Risk: An engine stall while driving increases the risk of a crash.
Fix: 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.
Suspension:front
Problem: 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.
Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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…
Other Mercedes-Benz ML550 years
| Year | Complaints | Recalls |
|---|---|---|
| 2014 ML550 | 3 | 3 |
| 2013 ML550 | 3 | 3 |
| 2012 | 1 | 2 |
| 2011 ML550 | 6 | 3 |
| 2010 ML550 | 4 | 3 |
| 2009 ML550 | 4 | 3 |
| 2008 ML550 | 18 | 2 |
See all Mercedes-Benz ML550 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2012 Mercedes-Benz ML550?
Owners most often report electrical system, engine, lane departure problems. The top one, electrical system, accounts for 1 complaint.
Was there a recall on the 2012 Mercedes-Benz ML550?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2012 Mercedes-Benz ML550 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other ML550 model years, the 2012 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.