2012 Mercedes-Benz E550: Reliability Data

Source: NHTSA — 22 complaints
22
Total Complaints
69,000mi
Median Mileage
AIR BAGS
Top Issue
1
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

25,500 25th Percentile
69,000 Median Mileage
95,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
8
ELECTRICAL SYSTEM
4
STEERING
4
SEAT BELTS
2
SUSPENSION
1
WHEELS
1
FUEL SYSTEM, GASOLINE
1
SERVICE BRAKES, HYDRAULIC
1

Severity Assessment

1
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2012 MERCEDES BENZ E550 (N/A). THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE AIR BAG OFF WARNING INDICATOR ILLUMINATED WITH THE FRONT PASSENGER SEAT OCCUPIED. THE OCCUPANT'S WEIGHT WAS APPROXIMATELY ONE HUNDRED POUNDS. THE MALFUNCTION RECURRED INTERMITTENTLY. TH..."
"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 VEHICL..."
"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 VEHICL..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28