2003 Mercedes Benz ML320
Only 22 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 22 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 22
- Recalls
- 0
- Investigations
- 1
- Top problem
- —
Too few to rank
None on file
Opened by NHTSA
Not enough data
Complaints per year
2003: 22 complaints
View as data table
| Year | Complaints |
|---|---|
| 1998 | 133 |
| 1999 | 125 |
| 2000 | 166 |
| 2001 | 136 |
| 2002 | 88 |
| 2003 | 22 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 16 |
| 2008 | 21 |
| 2009 | 28 |
Known problem areas
Only 22 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Steering
7 of 22 total reports mention: steering, most commonly citing hose, piping, and connections and rack and pinion.
Show complaint excerpts
Loss of power steering fluid, it appears to be from the hose connection to the radiator during driving and while stationery. This issue was previously recalled, I believe twice. Dealer requested $125 diagnostic charge.
NHTSA ODI report, 2018-01-05
Seats
6 of 22 total reports mention: seats, most commonly citing seat heater/cooler.
Show complaint excerpts
While driving the vehicle heated seats caused second degree burns to the driver's bottom. There was no damage to the vehicle's seat. This problem also cause some redness to another driver's bottom.
NHTSA ODI report, 2004-02-19
The heated passenger seat over heated and burned a hole on the far right edge of the leather captain seat.
NHTSA ODI report, 2003-03-14
Vehicle speed control
4 of 22 total reports mention: vehicle speed control, most commonly citing accelerator pedal.
Show complaint excerpts
While driving, went over bump in road, and truck immediately lost speed. Pressure on gas pedal weakend. There was absolutely no acceleration. I pulled over after almost being hit, and turned vehicle off.
NHTSA ODI report, 2014-05-29
Also filed under Electrical system and fuel/propulsion system
Service brakes
4 of 22 total reports mention: service brakes, most commonly citing hydraulic.
Electronic stability control (esc)
2 of 22 total reports mention: electronic stability control (esc).
Safety timeline
No recalls on file for this model year.
0 recalls · 1 investigation · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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I
2005-02-02Preliminary evaluationClosed 2005-06-29 Electric seat warmer overheats/burns
Buy-smart checklist
2003 Mercedes Benz ML320 — pre-purchase inspection
Inspect
- Steering: 7 reports on file for this year.
- Seats: 6 reports on file for this year.
- Vehicle speed control: 4 reports on file for this year.
FAQ
- Is the 2003 Mercedes Benz ML320 reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 2003 Mercedes Benz ML320?
- The most-reported component is steering, accounting for 32% of complaints on file.
- How many recalls does the 2003 Mercedes Benz ML320 have?
- No recalls are on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.