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2003 Mercedes-Benz E320: common problems

Owners of the 2003 Mercedes-Benz E320 filed 214 complaints with NHTSA, most often about service brakes and fuel/propulsion system. Details by component below, with sources.

Key figures

Owner complaints
214
involving a crash
8

What fails most often

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  1. 1 Service brakes 36% of all complaints
  2. 2 Fuel/propulsion system 33% of all complaints
  3. 3 Electrical system 10% of all complaints
  4. 4 Air bags 9% of all complaints
  5. 5 Fuel system 8% of all complaints
  6. 6 Powertrain 5% of all complaints
  7. 7 Suspension 5% of all complaints
  8. 8 Electronic stability control 3% of all complaints
Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Symptoms owners describe

How many of the 214 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

Components owners complain about

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

Comparison

By complaint count this model year ranks 1,905 of 36,656 model years in the NHTSA data (top 5% most complained about).

On average one model year of the E320 has 73 complaints (16 years in the data). This year has 214, above average.

What to check before buying

Other years of this model

Questions and answers

What are the most common problems with the 2003 Mercedes-Benz E320?

Owner complaints to NHTSA most often mention: service brakes, fuel/propulsion system, electrical system. Total complaints: 214. The most frequent symptoms in complaint texts: fuel system, fuel smell (21%), warning lights, check engine (14%), brake failure (10%).

How many service bulletins (TSB) were issued for the 2003 Mercedes-Benz E320?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2003 Mercedes-Benz E320 from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2003 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.