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2003 Mercedes Benz S500

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 8 of 10 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Seat Belts. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Service Brakes, Hydraulic complaints

1 reports
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12,905 miles · Oct 3, 2004
Service Brakes, Hydraulic

WHILE APPROACHING A STOP LIGHT, THE CONSUMER APPLIED THE BRAKES AND THEY FAILED, WHICH CAUSED THE VEHICLE TO SLOWLY CONTINUE INTO THE CENTER OF THE INTERSECTION. THE OWNER LATER TOOK THE VEHICLE TO THE DEALER AND WAS TOLD THAT THIS OCCURRED WITH ALL BRANDS OF CARS NOT JUST MERCEDES AND THAT A CERTAIN PERCENTAGE OF BRAKE FAILUR…

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WHILE APPROACHING A STOP LIGHT, THE CONSUMER APPLIED THE BRAKES AND THEY FAILED, WHICH CAUSED THE VEHICLE TO SLOWLY CONTINUE INTO THE CENTER OF THE INTERSECTION. THE OWNER LATER TOOK THE VEHICLE TO THE DEALER AND WAS TOLD THAT THIS OCCURRED WITH ALL BRANDS OF CARS NOT JUST MERCEDES AND THAT A CERTAIN PERCENTAGE OF BRAKE FAILURES IS ACCEPTABLE IN THE AUTO INDUSTRY SO LONG AS THAT PERCENTAGE DOES NOT GET TOO HIGH. *JB CONSUMER STATED THAT THE INFO WAS HARD TO ACCEPT WHEN HE COULD HAVE BEEN KILLED BY CROSS TRAFFIC AT THE INTERSECTION WHERE HE COASTED THROUGH A REDLIGHT. *TC

NHTSA ODI #10097157

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.