Total Complaints
1 filings
MERCEDES-BENZ G550 · model year
2009 MERCEDES-BENZ G550
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2009MERCEDES-BENZG550 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2009 G550 is tires with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2009 G550. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| TIRES | 1 |
Recent Complaints
20121114TIRES
TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ 550SL EQUIPPED WITH BRIDGESTONE POTENZA TIRES, SIZE 255/35/R19. THE CONTACT STATED THAT THE TIRES BEGAN TO LOSE AIR AND HE REPEATEDLY HAD TO ADD AIR TO THEM. AFTER SOME TIME, THE FRONT PASSENGER SIDE TIRE WAS FOUND TO BE COMPLETELY DEFLATED. THE TIRES WERE TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE TREAD WAS SEPARATING. THE OTHER TIRES WERE INSPECTED AND THREE OF THE FOUR TIRES ALL EXHIBITED THE SAME DEFECT OF SEPARATING AND DELAMINATING. THE MANUFACTURER WAS NOT NOTIFIED. ALL FOUR TIRES WERE REPLACED. THE DOT NUMBER WAS NOT AVAILABLE. UPDATED 12/21/12*LJ
Compare 2009MERCEDES-BENZG550 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2009 MERCEDES-BENZ G550 have?▼
The 2009 MERCEDES-BENZ G550 has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2009 MERCEDES-BENZ G550?▼
The most-complained component for the 2009 MERCEDES-BENZ G550 is TIRES with 1 complaints. Other frequently reported areas include various components.
Is the 2009 MERCEDES-BENZ G550 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.