"How reliable is the 2020 Mercedes-Benz Gle 450?"

"Based on 46 NHTSA complaints, the 2020 Mercedes-Benz Gle 450 has a median complaint mileage of 5300 miles. The most common issue is ELECTRICAL SYSTEM."

"What are common problems with the 2020 Mercedes-Benz Gle 450?"

"The most frequently reported component in NHTSA complaints for the 2020 Mercedes-Benz Gle 450 is ELECTRICAL SYSTEM, accounting for a significant portion of the 46 total complaints filed."

2020 Mercedes-Benz Gle 450: Reliability Data

Source: NHTSA — 46 complaints

Total Complaints

5,300mi

Median Mileage

ELECTRICAL SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

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

4,900 25th Percentile

5,300 Median Mileage

8,300 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM

ENGINE

VEHICLE SPEED CONTROL

UNKNOWN OR OTHER

BACK OVER PREVENTION

SEATS

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

LANE DEPARTURE: ASSIST

POWER TRAIN:AUTOMATIC TRANSMISSION

SEAT BELTS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"COMMAND CONTROL UNIT IS FAULTY AFFECTING NAVIGATION, VOICE CONTROL, BLUETOOTH, AND VEHICLE APPS. ISSUE WAS PRESENT AT THE TIME OF PURCHASE AND SERVICE TECHNICIANS HAVE BEEN WORKING ON THE ISSUES FOR OVER A MONTH. ISSUES ARE PRESENT WHEN BOTH STATIONARY AND DRIVING. MAY AFFECT OTHER ELECTRICAL AND DR..."

"DRIVING DOWN THE HIGHWAY AT 70 MPH AND '48V BATTERY MALFUNCTION' WARNING GOES OFF, ALONG WITH A YELLOW CHECK ENGINE LIGHT. A FEW SECONDS LATER A 'COOLANT' ERROR MESSAGE POPS UP AND A RED CHECK ENGINE LIGHT COMES ON. CAR LOOSES POWER COMPLETELY AND I'M UNABLE TO ACCELERATE AT ALL. CALL FLASHES A MESS..."

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