2014 Mercedes-Benz Gl450: Reliability Data

Source: NHTSA — 26 complaints
26
Total Complaints
57,000mi
Median Mileage
ENGINE
Top Issue
0
Crash Reports

When Do Complaints Happen?

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

42,590 25th Percentile
57,000 Median Mileage
65,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
7
ELECTRICAL SYSTEM
3
UNKNOWN OR OTHER
3
POWER TRAIN
2
SERVICE BRAKES
2
VISIBILITY:SUN/MOON ROOF ASSEMBLY
2
SEATS
1
STRUCTURE:BODY
1
SUSPENSION
1
LATCHES/LOCKS/LINKAGES:HATCHBACK/LIFTGATE:LOCK
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2014 MERCEDES BENZ GL450. THE CONTACT STATED THAT THE TRANSMISSION JERKED AND HESITATED TO SHIFT. THE FAILURE OCCURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES. THE TECHNICIAN REPROGRAMMED THE TRANSMISSION SOFTWARE AND THE MODULE WAS REPLACED; HOWEVER,..."
"YOU NEED TO ORDER A RECALL OF MERCEDES BENZ GL450 (2014) (VIN [XXX]). I HAD TO TAKE THE VEHICLE FOR REPAIR BECAUSE THE BRAKES WERE LOCKING WHEN I DROVE BACK FROM SAN DIEGO AND SEVERAL TIMES I WAS CLOSE TO HIT OTHER VEHICLES. IN ADDITION, THIS WEEK MY BRAKES STARTED SQUEALING AND I HAD TO WAIT UNTIL..."
"CONSISTENT MILDEW FOUL ODOR COMES FROM THE AIR CONDITION."

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