"How reliable is the 2007 Mercedes Benz E320?"

"Based on 20 NHTSA complaints, the 2007 Mercedes Benz E320 has a median complaint mileage of 79102 miles. The most common issue is ENGINE."

"What are common problems with the 2007 Mercedes Benz E320?"

"The most frequently reported component in NHTSA complaints for the 2007 Mercedes Benz E320 is ENGINE, accounting for a significant portion of the 20 total complaints filed."

2007 Mercedes Benz E320: Reliability Data

Source: NHTSA — 20 complaints

Total Complaints

79,102mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

43,229 25th Percentile

79,102 Median Mileage

119,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

FUEL/PROPULSION SYSTEM

POWER TRAIN:AUTOMATIC TRANSMISSION

POWER TRAIN

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ELECTRICAL SYSTEM:WIRING

FUEL SYSTEM, DIESEL

VEHICLE SPEED CONTROL

EXTERIOR LIGHTING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*- THE CONTACT STATED THAT THE TRANSMISSION ON A 2007 MERCEDES BENZ E WAS SURGING. WHILE DRIVING AT 15 MPH ONCE REACHING 2000 RPM THE ENGINE WOULD INSTANTANEOUSLY SURGE TO 3000 RPM WITHIN MOMENTS AND THEN RETURNED TO THE PREVIOUS READING. SINCE THE VEHICLE HAD A DIESEL ENGINE THE FAILURE CAUSED..."

"MY 1994 E320 WIRING HARNESS HAS TOTALLY DRIED UP AND CRACKED IN NUMEROUS PLACES. RESULTING IN ELECTRICAL PROBLEMS AND MONEY SPENT ON TROUBLE SHOOTING. *TR"

"WHILE PULLING INTO A PARKING SPOT, THE BRAKES FAILED TO STOP THE CAR. *TR"

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