2012 Mercedes-Benz E550 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
17 owner complaints analyzed
4 distinct recall campaigns
52,500 mi median reported failure mileage
Scope: 2012 model year. Data snapshot: . 8 complaints include usable failure mileage.
Most common problems
Air Bags is the most frequently named component, appearing in 8 of 17 complaints (47.1%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Steering behavior | 3 | 17.6% |
| Electrical and battery issues | 2 | 11.8% |
| Braking behavior | 1 | 5.9% |
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 | 8 |
| Electrical System | 4 |
| Steering | 4 |
| Seat Belts | 2 |
| Fuel System, Gasoline | 1 |
| Service Brakes, Hydraulic | 1 |
| Suspension | 1 |
| Wheels | 1 |
Air Bags: 8; Electrical System: 4; Steering: 4; Seat Belts: 2; Fuel System, Gasoline: 1; Service Brakes, Hydraulic: 1; Suspension: 1; Wheels: 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 | 2 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 2; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 2; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 9 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 |
|---|---|
| 2012 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
2012: 1; 2016: 1; 2017: 3; 2018: 2; 2019: 3; 2020: 2; 2023: 2; 2024: 2; 2025: 1
Pattern summary
Air Bags leads the component reports. Steering behavior appears in 3 complaint narratives. Electrical and battery issues appears in 2 complaint narratives. Braking 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 11348881 · 2020-08-12 (August 12, 2020)
I WAS BACKING THE CAR WHEN THE STEERING BECAME STIFF AND A MESSAGE STATING 'POWER STEERING MALFUNCTION SEE OWNERS MANUAL' APPEARED. I TURNED THE CAR OFF AND RESTARTED AN HOUR LATER AND THE SAME MESSAGE APPEARED. STEERING WAS VERY DIFFICULT. THANKFULLY, IT DIDN'T HAPPEN AT A HIGH SPEED OR TURNING.
Owner-reported narrative. 113,000 miles reported. Look up ODI 11348881 at NHTSA ↗
Owner report 11570918 · 2024-02-08 (February 8, 2024)
The Electronic Steering Lock (ESL) will fail and cause the vehicle to become disabled. The failure of this part will leave the owner strained and unable to use any functions of the car. You can’t even put the vehicle into neutral to move the vehicle. Everything is locked. There have been numerous reports of this failure on various Mercedes Benz forums on the web. Also, many videos outlining this problem on YouTube. Yes, the problem has been reproduced by an independent repair facility. Mercedes Benz is aware of this problem regarding the ESL p…
Owner-reported narrative. Look up ODI 11570918 at NHTSA ↗
Owner report 10934672 · 2016-12-12 (December 12, 2016)
TL* THE CONTACT OWNS A 2012 MERCEDES-BENZ E550. WHILE ATTEMPTING TO PUT ON THE DRIVER'S SIDE SEAT BELT, THE SEAT BELT FRACTURED. THERE WERE ALSO ELECTRICAL FAILURES IN THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE SEAT BELT WOULD HAVE TO BE REPROGRAMMED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 25,500. THE VIN WAS NOT AVAILABLE.
Owner-reported narrative. 25,500 miles reported. Look up ODI 10934672 at NHTSA ↗
Owner report 11629095 · 2024-12-05 (December 5, 2024)
The contact owned a 2012 Mercedes-Benz E550. The contact stated while her husband was driving 20-25 MPH and making a right turn, the brake pedal was depressed but traveled down to the floorboard, and the vehicle failed to respond. The contact's husband stood on the brake pedal; however, the vehicle failed to respond and crashed into a small ditch. The contact was occupying the front passenger's side seat at the time of the incident. The contact was unsure whether there was a warning light illuminated. The air bags deployed. The contact stated t…
Owner-reported narrative. Look up ODI 11629095 at NHTSA ↗