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Model line · 1996–2009

Mercedes Benz E320: which years to buy, and what breaks on them

Best and worst years of the Mercedes Benz E320

Of the 12 model years of the Mercedes Benz E320 that carry enough owner reports to score, 1996 comes out best at 58 out of 100 and 2005 worst at 71. The scores rank each year against other cars of the same model year, so an older one is not penalised for having had longer to break.

1,368 owner reports across 14 model years, 987 of them carrying an odometer reading. 12 years carry enough reports to score.

The year to buy, and the year to avoid

Both figures are ranks against other vehicles of the same model year, so the two are comparable even when the years are a decade apart. Each links to that year's full report.

The year to buy

1996 Mercedes Benz E320

58/100 Elevated risk

Best of 14 years on 62 owner reports, its own worst problem being other suspension problem. Evidence behind the score: moderate confidence.

The year to avoid

2005 Mercedes Benz E320

Risk 71 of 100 from 287 reports, worst problem fuel leak or fuel odor.

High High confidence confidence

How much the year actually matters

The gap between the best and worst year is 13 points on a 100-point scale, which is small enough that the year is a weak reason to choose one of these over another. Service history will tell you more.

Across every year of the Mercedes Benz E320, owners have filed 1,368 reports with NHTSA. The 2005 accounts for the largest share at 287, which can mean a genuinely troublesome year or simply the year that sold best and has been on the road longest.

What tends to break across the Mercedes Benz E320

Taking the most-reported failure from each model year, the recurring problems on the Mercedes Benz E320 are other engine problem (worst mode in 3 years), fuel leak or fuel odor (worst mode in 3 years) and other suspension problem (worst mode in 2 years). A fault that heads the list in most years is characteristic of the design; one that heads a single year is usually a batch or a supplier.

Every model year, scored

Risk score by model year, out of 100

Shorter is better, and the outlined row is the best year of the line. A year with too few reports to score is shown without a bar rather than as a zero, because no data is not the same as no problems.

Lower risk is better. “Median report” is the odometer reading at which half of that year's reports had been filed. The best and worst year of the line carry a coloured edge. Click a column to sort.
Year Reports Per 1,000 Median report Most reported problem Recalls Risk Confidence
1996 Mercedes Benz E320 62 13.1 108k Other suspension problem 0 58 Moderate confidence
1997 Mercedes Benz E320 80 16.9 113k Other suspension problem 0 64 Moderate confidence
1998 Mercedes Benz E320 51 10.8 89k Other body or interior problem 0 64 Moderate confidence
1999 Mercedes Benz E320 109 23.0 80k Other engine problem 0 68 Moderate confidence
2000 Mercedes Benz E320 81 17.1 130k Engine bay fire 0 63 Moderate confidence
2001 Mercedes Benz E320 54 11.4 95k Airbag failed to deploy in a crash 0 67 Moderate confidence
2002 Mercedes Benz E320 27 5.7 86k Loss of power steering 0 61 Moderate confidence
2003 Mercedes Benz E320 281 59.4 97k Fuel leak or fuel odor 2 68 High confidence
2004 Mercedes Benz E320 243 51.3 100k Fuel leak or fuel odor 2 66 High confidence
2005 Mercedes Benz E320 287 60.6 80k Fuel leak or fuel odor 3 71 High confidence
2006 Mercedes Benz E320 49 10.4 89k Other brake problem 4 67 Moderate confidence
2007 Mercedes Benz E320 20 4.2 79k Other engine problem 4 69 Low confidence
2008 Mercedes Benz E320 13 2.7 120k Other engine problem 3 not rated Unrated
2009 Mercedes Benz E320 11 2.3 62k Fuel pump failure 3 not rated Unrated
What each column means

Reports counts owner complaints filed with NHTSA against that model year. Filing is voluntary and unverified, so the count is a floor on how often something went wrong, never a census. It also rises with how many cars were sold, which is why the next column exists.

Per 1,000 divides those reports by an estimate of how many of that model year are on the road, so a common car and a rare one can be compared. The estimate comes from the vehicle counts in recall campaigns covering the same model year, which is the only per-model fleet figure published free of charge; where no recall covers a year, this column is blank rather than guessed.

Median report is the odometer reading at the midpoint of that year's reports: half of the readings owners gave were below it. It is a description of when problems get reported, not a prediction of when this car will break, and it needs at least eight readings before it is shown at all.

Risk is a 0–100 score combining how often reports arrive relative to fleet size, how serious they are, and how early they land, ranked against other vehicles of the same model year only. Confidence says how much evidence sits behind it: a low score on thin evidence is a shrug, not a clean bill of health. Both are defined in full on the methodology page.

Generations, and why the boundary matters

The Mercedes Benz E320 splits into generations: 1996–2002 (best 1996, worst 1999), 2003–2006 (best 2004, worst 2005) and 2007–2009. Comparing years inside one generation is the fair comparison — same body, same engines, usually the same suppliers.

Generation boundaries here are inferred from the pattern of model years in the data rather than taken from manufacturer documentation, so they are occasionally a year out. Where a boundary matters to a purchase, check it against the build date on the car.

Each generation of this model, with its best and worst scoring year and the gap between them
Generation Years Best year Worst year Spread
1996-2002 1996–2002 1996 Mercedes Benz E320 58 1999 Mercedes Benz E320 68 10
2003-2006 2003–2006 2004 Mercedes Benz E320 66 2005 Mercedes Benz E320 71 5
2007-2009 2007–2009 — — —

How to use this page

Use it to eliminate rather than to select. The years at the top of the risk column are the ones where enough owners reported enough serious failures to be worth avoiding when there is a choice; below that, the differences are smaller than the difference between a well-kept car and a neglected one.

Every figure comes from owner complaints filed with NHTSA and from recall records, both voluntary in the sense that nobody audits them for completeness. Counts are floors. The AtWhatMileage methodology page sets out each formula.

Questions this page answers

What is the best year for the Mercedes Benz E320?

Of the model years we can rate, 1996 Mercedes Benz E320 scores best at 58 out of 100, based on 62 owner reports. 2005 scores worst at 71.

Which years of the Mercedes Benz E320 should you avoid?

2005 has the highest risk score in this model line at 71 out of 100. The scores compare each year against other vehicles of the same model year, so they are not affected by age alone.

How the generations are drawn. NHTSA does not publish generation boundaries, so ours are inferred from breaks in the recall and complaint record and from the model's own year range. They are close to the enthusiast consensus but not authoritative — if a boundary looks wrong for a car you know well, tell us and we will fix the table rather than argue with you.

Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed