2011 Mercedes-Benz ML550 Problems, Complaints & Recalls
- Compared with other ML550 years
- Not enough data 2nd of 7 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 6 complaints with NHTSA about the 2011 Mercedes-Benz ML550. That ranks 2nd out of 7 ML550 model years for complaints. The most reported problem area is air bags (2 complaints, 33%). There are 3 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.
- 6owner complaints
- 3safety recalls
- 1NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2011 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 |
|---|---|---|---|---|---|
| Air Bags | 2 | 33% | — | — | — |
| Electrical System | 1 | 17% | 8,000 | — | — |
| Exterior Lighting | 1 | 17% | 8,000 | — | — |
| Service Brakes | 1 | 17% | — | — | — |
| Steering | 1 | 17% | 2,047 | — | — |
| Visibility | 1 | 17% | 50,000 | — | — |
| Wheels | 1 | 17% | 2,047 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2011 Mercedes-Benz ML550 recalls (3)
Tap a recall to see the problem, the risk and the fix.
Service brakes, hydraulic:power assist:vacuumDo not drive
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Risk: Reduced brake performance or brake failure can increase the risk of a crash.
Fix: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MMUSA's number for this recall is 2024050001/2. This recall is an expansion of previous recall number 22V-315.
Service brakes, hydraulic:power assist:vacuumDo not drive
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Risk: Reduced brake performance or brake failure can increase the risk of a crash.
Fix: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.
Air bags:frontal:driver side:inflator module
Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2009-2010 ML320 BlueTec 4Matic, GL320 BlueTec 4Matic and R320 CDI 4Matic, 2011 E350 Cabriolet and E550 Cabriolet, 2009-2011 ML350, ML350 4Matic, ML550 4Matic, ML63 AMG, and C63 AMG, 2010-2011 ML450 4Matic Hybrid, E350 Coupe, E350 4Matic, E550 Coupe, E550 4Matic, and E63 AMG, 2011-2012 GL350 BlueTec 4Matic and R350 BlueTec 4Matic, 2009-2012 GL450 4Matic, GL550 4Matic and R350 4Matic, 2007-2008 SLK280, SLK350, and SLK55 AMG, 2011-2014 SLS AMG Coupe, 2012 SLS AMG Cabriolet, 2013-2014 SLS AMG GT and SLS AMG GT Cabriolet, 2005 C230 Kompressor and C320, 2006-2007 C230, 2006-2011 C350, 2008-2011 C300 and C300 4Matic, 2010-2012 GLK350 and GLK350 4Matic and 2007-2008 Chrysler Crossfire vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.
Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Fix: MBUSA will their notify owners, and Fiat Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge. This recall began November 2016. Mercedes-Benz owners may contact MBUSA customer service at 1-800-367-6372 and Chrysler owners may contact Fiat Chrysler customer service at 1-800-853-1403.
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.
NHTSA defect investigations
- Desiccated Air Bag Inflator Rupture (EA21002) — opened Sep 17, 2021, still open.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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…
TAKATA RECALL...I HAVE HAD A RECALL FOR A VERY LONG TIME ON MY AIR BAGS AND HAVE NEVER BEEN CONTACTED BY MERCEDES AGAIN AFTER THE INITIAL RECALL. I AM DRIVING AROUND WITH A POTENTIALLY DEADLY DEVICE IN MY VEHICLE. I FIND THIS RIDICULOUS ESPECIALLY SINCE I AM DRIVING A MERCEDES WHICH IS SUPPOSED TO…
Takata recall. Have contacted dealership numerous times in the last year and half requesting when it would be fixed and are told it is still pending. I would expect faster service on this potential danger with the defective driver side airbag.
Driving on a feeder road in light traffic at about 55 mph, we were startled by an enormous loud explosive sound on our sunroof of the ml 550, like a bomb sound. Pulled over and slid the inside vented headliner/curtain back about 6 inches and saw a hole the size of two fists plus shattered glass. We…
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…
Other Mercedes-Benz ML550 years
| Year | Complaints | Recalls |
|---|---|---|
| 2014 ML550 | 3 | 3 |
| 2013 ML550 | 3 | 3 |
| 2012 ML550 | 1 | 2 |
| 2011 | 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 2011 Mercedes-Benz ML550?
Owners most often report air bags, electrical system, exterior lighting problems. The top one, air bags, accounts for 2 complaints.
Was there a recall on the 2011 Mercedes-Benz ML550?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2011 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 2011 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.