2008 Mercedes Benz Ml320: Reliability Data

30
Total Complaints
94,500mi
Median Mileage
EXTERIOR LIGHTING
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

60,414 25th Percentile
94,500 Median Mileage
125,710 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING
5
ELECTRICAL SYSTEM
4
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
2
SEAT BELTS
2
VEHICLE SPEED CONTROL
2
STEERING
2
UNKNOWN OR OTHER
2
ENGINE
2
POWER TRAIN
1
STEERING:RACK AND PINION:RACK
1

Severity Assessment

3
Crashes
0
Fires
4
Injuries
0
Deaths

Sample Complaint Reports

"THE OIL LEVEL LOW MESSAGE COMES ON EVEN WHEN THE OIL LEVEL IS FULL. THIS OCCURS AT HIGHWAY SPEED WHEN OUTSIDE TEMPERATURES ARE HIGH. *TR"
"BOTH SUPPLEMENTAL RESTRAINT SYSTEM (SRS), OR AIRBAG SYSTEMS MALFUNCTIONED WITH 15 MINUTES OF EACH OTHER DURING AN ORDINARY DRIVE TO MY BUSINESS LOCATION DURING A BUSINESS TRIP WITH MY MANAGEMENT. THE HEADREST ON THE PASSENGER SIDE DEPLOYED TO THE "CRASH" CONFIGURATION, THE CABIN FILLED WITH ACRID, ..."
"BOTH REAR BRAKE LIGHT ASSEMBLIES HAVE FAILED. THESE FAILURES INCREASE THE LIKELIHOOD OF A REAR END COLLISION. WHEN THE LEFT ASSEMBLY FAILED IN 2011, I ATTRIBUTED IT TO BAD LUCK. WHEN THE RIGHT ASSEMBLY FAILED AT 66000 MILES IN 2012, IT OCCURRED TO ME THAT MERCEDES MAY HAVE A PROBLEM THAT DESERVES..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

EXTERIOR LIGHTING 5 complaints
Median: 127,555 mi
ELECTRICAL SYSTEM 4 complaints
Median: 107,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 8 TX: 3 GA: 3 OR: 3 WI: 3 AL: 2 NM: 2 NC: 2 VA: 1 WA: 1

Who Files Complaints?

10%
Original Owners
90%
Second+ Owners

Mercedes Benz Ml320 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
199820015
199916417
200025826
200119519
20021388
2003312
2007200
2009420

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