2008 Mercedes Benz Gl450: Reliability Data

Source: NHTSA — 89 complaints
89
Total Complaints
57,000mi
Median Mileage
STEERING
Top Issue
10
Crash Reports

When Do Complaints Happen?

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

19,250 25th Percentile
57,000 Median Mileage
92,657 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STEERING
21
SUSPENSION
14
AIR BAGS
6
ENGINE
5
UNKNOWN OR OTHER
4
SERVICE BRAKES
4
WHEELS
3
POWER TRAIN
3
SERVICE BRAKES, HYDRAULIC
3
ELECTRICAL SYSTEM
3

Severity Assessment

10
Crashes
1
Fires
12
Injuries
0
Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A MERCEDES BENZ GL 450. THE CONTACT RECEIVED A RECALL NOTICE IN JUNE OF 2008 REGARDING THE COMPRESSOR. THE VEHICLE WAS TAKEN TO THE DEALER AND THE CONTACT WAS PROMISED THAT IT WOULD BE REPAIRED BY THE FOLLOWING DAY. THE VEHICLE WAS NOT REPAIRED AS PROMISED; THEREFORE, THE CONT..."
"TL*THE CONTACT OWNS A 2008 MERCEDES BENZ GL450. THE CONTACT STATED THAT HIS VEHICLE HAS BEEN STALLING EVER SINCE IT WAS PURCHASED. HE TOOK THE VEHICLE BACK TO THE DEALER AND WAS INFORMED THAT THERE WAS NO REMEDY FOR THE FAILURE. WHEN THE STALLING OCCURS, THERE IS NO POWER THROUGHOUT THE VEHICLE, ..."
"TL*THE CONTACT OWNS A 2008 MERCEDES BENZ GL450. THE CONTACT STATED THAT HIS VEHICLE HAS BEEN STALLING EVER SINCE IT WAS PURCHASED. HE TOOK THE VEHICLE BACK TO THE DEALER AND WAS INFORMED THAT THERE WAS NO REMEDY FOR THE FAILURE. WHEN THE STALLING OCCURS, THERE IS NO POWER THROUGHOUT THE VEHICLE, ..."

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