2011 Mercedes-Benz ML550: complaints, problems and recalls
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.
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.
Examples from the source records
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 10668095 · 2014-12-23 (December 23, 2014)
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 RECALL THAT WE WEREN'T FOLLOWING BEHIND ANY TRUCKS. MERCEDES DEALERSHIP ESTIMATED $2,777.00 TO REPLACE GLASS, DROP HEADLINER AND REMOVE BROKEN GLASS SHARDS/PIECE. MB DID NOT OFFER ANY EXPLANATION AS TO DEFECTIVE SUNROOF GLASS. WE OWNED NUMEROUS …
Owner-reported narrative. 50,000 miles reported. Look up ODI 10668095 at NHTSA ↗
Owner report 10945302 · 2017-01-14 (January 14, 2017)
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.
Owner-reported narrative. Look up ODI 10945302 at NHTSA ↗
Owner report 11046395 · 2017-11-15 (November 15, 2017)
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 BE ONE OF THE SAFEST VEHICLES! RECALL NUMBER 16V081. MFG RECALL NUMBER 2016020003
Owner-reported narrative. Look up ODI 11046395 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 ↗
Recall history
3 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
16V081000 · Air Bags:Frontal:Driver Side:Inflator Module
Reported: 2016-02-11 (February 11, 2016)
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.
Consequence: 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.
Remedy: 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.
NHTSA campaign record ↗22V315000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2022-05-09 (May 9, 2022)
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.
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
Remedy: 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.
NHTSA campaign record ↗24V298000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2024-04-26 (April 26, 2024)
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.
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
Remedy: 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.
NHTSA campaign record ↗