Mercedes-Benz M-Class Best and Worst Years by Owner Complaints
We rank Mercedes-Benz M-Class model years by the number of owner complaints filed with NHTSA, from fewest to most. Complaint counts aren't failure rates: years that sold more cars, or that are older, can show more reports. We rank only model years at least five years old, because newer ones are still collecting reports. Among settled years shown, the 2008 drew the fewest (1) and the 2000 the most (25).
Complaints filed by model year
Every year compared
| Most-reported component | |||||
|---|---|---|---|---|---|
| 2008 Among the fewest complaints |
1 | 2 | Steering | — | — |
| 2009 Among the fewest complaints |
1 | 1 | Structure | — | — |
| 2007 Among the fewest complaints |
2 | 2 | Seats | — | — |
| 1998 | 5 | 4 | Engine and engine cooling | — | — |
| 2001 | 5 | 4 | Electrical system | — | — |
| 2002 | 5 | 5 | Air bags | — | — |
| 2003 | 10 | 3 | Electrical system | — | — |
| 2006 Among the most complaints |
14 | 2 | Engine and engine cooling | — | — |
| 1999 Among the most complaints |
18 | 4 | Steering | — | — |
| 2000 Among the most complaints |
25 | 5 | Service brakes | — | — |
Sources: NHTSA ODI complaints, NHTSA recalls, NHTSA NCAP, EPA; retrieved Oct 6, 2026.
What owners reported in the Mercedes-Benz M-Class years with the most complaints
These settled model years drew the most owner complaints to NHTSA. The share in brackets is the part of that year’s complaints that names each component; one complaint can name several.
2000 Mercedes-Benz M-Class: 25 complaints
Most-reported: Service brakes 8 (32%); Steering 8 (32%); Electronic stability control 6 (24%).
Reports mention 1 crash. Typical odometer reading when owners filed: 75,000 miles. 5 recall campaigns listed.
1999 Mercedes-Benz M-Class: 18 complaints
Most-reported: Steering 6 (33%); Engine and engine cooling 4 (22%); Electrical system 3 (17%).
Reports mention 1 fire. Typical odometer reading when owners filed: 100,100 miles. 4 recall campaigns listed.
2006 Mercedes-Benz M-Class: 14 complaints
Most-reported: Engine and engine cooling 4 (29%); Power train 4 (29%); Steering 3 (21%).
Reports mention 1 crash. Typical odometer reading when owners filed: 4,481 miles. 2 recall campaigns listed.
The Mercedes-Benz M-Class years with the fewest complaints
2007 Mercedes-Benz M-Class: 2 complaints
Most-reported: Seats 2 (100%); Electrical system 1 (50%).
Reports mention 2 fires. 2 recall campaigns listed.
Crashes, fires and injuries in Mercedes-Benz M-Class owner reports
| Model year | Complaints | Crashes | Fires | Injuries | Deaths | Typical miles at filing |
|---|---|---|---|---|---|---|
| 2009 | 1 | 0 | 0 | 0 | 0 | — |
| 2008 | 1 | 0 | 0 | 0 | 0 | — |
| 2007 | 2 | 0 | 2 | 0 | 0 | — |
| 2006 | 14 | 1 | 0 | 0 | 0 | 4,481 |
| 2003 | 10 | 1 | 1 | 3 | 0 | — |
| 2002 | 5 | 0 | 0 | 0 | 0 | — |
| 2001 | 5 | 2 | 0 | 1 | 0 | — |
| 2000 | 25 | 1 | 0 | 0 | 0 | 75,000 |
| 1999 | 18 | 0 | 1 | 0 | 0 | 100,100 |
| 1998 | 5 | 1 | 0 | 0 | 0 | — |
Owner-reported, not verified by NHTSA. “Typical miles” is the median odometer reading in complaints that gave one (shown when at least 10 did). Source: NHTSA ODI complaints, retrieved Oct 6, 2026.
Largest Mercedes-Benz M-Class recalls
- MERCEDES-BENZ/POWER STEERING HOSE CLAMP (1998–2003 model years; 211,000 vehicles across all models; filed Mar 2003; 03V121000)
- CRUISE CONTROL SYSTEM/BRAKE SWITCH FAILURE (1999–2003 model years; 136,751 vehicles across all models; filed Mar 2011; 11V208000)
- POWER STEERING HOSE CLAMP (1998–2004 model years; 125,228 vehicles across all models; filed Sep 2008; 08V465000)
- MERCEDES-BENZ/SEAT BELT LATCH MECHANISM (1998–1999 model years; 85,970 vehicles across all models; filed Nov 1999; 99V328000)
- MERCEDES-BENZ/SEAT BELT ANCHOR (2000 model year; 16,246 vehicles across all models; filed Oct 2000; 00V352000)
All 15 Mercedes-Benz M-Class recall campaigns · Mercedes-Benz M-Class problems, recalls and mpg by year · Used car inspection checklist
What the numbers can't tell you
- Sales volume. NHTSA publishes no sales figures with complaints, so a popular year draws more reports even if each car is no worse.
- Recent years are under-counted. Owners file reports for years after purchase; the newest model years will keep growing.
- The individual car. Maintenance, mileage and repairs matter more for one used car than any model-year average. Get a pre-purchase inspection and check open recalls by VIN.
Mercedes-Benz M-Class years FAQ
Which Mercedes-Benz M-Class year has the fewest complaints?
Among the model years shown whose counts have settled, the 2008 has the fewest owner complaints filed with NHTSA (1). That is a count of reports, not a measure of reliability.
Does fewer complaints mean a more reliable car?
Not necessarily. Complaint counts depend on how many cars were sold, how old they are and how many owners file reports. Use them to spot patterns worth asking about, alongside recalls, crash tests and a pre-purchase inspection.
Are there Mercedes-Benz M-Class years to avoid?
No model year is officially one to avoid. By owner complaints to NHTSA, the settled years with the most reports are the 2000, 1999 and 2006 models, and across all years the most-reported problem area is the steering. Compare those years with the ones that drew the fewest reports, then check any specific car for open recalls by VIN and get a pre-purchase inspection.
What is the most common Mercedes-Benz M-Class problem?
Across the model years shown, owners most often report problems with the steering (22 of 86 complaints list it). Each model-year report breaks the complaints down by component.
How many recalls does the Mercedes-Benz M-Class have?
NHTSA lists 15 recall campaigns covering the Mercedes-Benz M-Class. See every one, with official wording and repair rates, on the Mercedes-Benz M-Class recall page.
Why are newer years left out of fewest and most?
Owners keep filing complaints for years after a car is sold. We mark the two newest model years as still collecting reports, and we only rank years that are at least five years old.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.