2009 Mercedes Benz Gl450: Reliability Data

Source: NHTSA — 22 complaints
22
Total Complaints
125,000mi
Median Mileage
AIR BAGS
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

100,000 25th Percentile
125,000 Median Mileage
143,300 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
8
UNKNOWN OR OTHER
3
SUSPENSION
3
ENGINE
2
SERVICE BRAKES, HYDRAULIC
2
SERVICE BRAKES
1
ELECTRONIC STABILITY CONTROL (ESC)
1
EXTERIOR LIGHTING
1
ELECTRICAL SYSTEM
1

Severity Assessment

1
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"TL* TAKATA RECALL. THE CONTACT OWNS A 2009 MERCEDES-BENZ GL450. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V081000 (AIR BAGS) AND STATED THAT THE PART WAS NOT AVAILABLE WITHIN A REASONABLE TIME FRAME TO SCHEDULE THE RECALL REPAIR. THE DEALER DID NOT GIVE A SPECIFIC DATE FOR WHEN T..."
"I WAS DRIVING ON MY WAY HOME FROM WORK TODAY 2/3/2017 AND I WAS MERGING ONTO HIGHWAY WHEN I HEARD A LOUD EXPLOSION. I THEN SAW THAT MY SUNROOF HAD SHATTERED AND WAS BOWED OUT. THERE IS A LARGE HOLE IN THE CENTER OF THE SUNROOF AND THE REST OF THE GLASS IS SPIDERWEBBED. NOTHING HAD HIT MY CAR OR MY S..."
"TL* THE CONTACT OWNS A 2008 MERCEDES BENZ GL450. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V081000 (AIR BAGS) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER ..."

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