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2008 Mercedes Benz S550

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: 15 of 19 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.

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

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports1 injury reports

Service Brakes, Hydraulic complaints

1 reports
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Mileage unknown · Jan 21, 2009
Service Brakes, Hydraulic

I HAVE 2008 MERCEDES S550. THE CAR SUDDENLY STARTED MAKING NOISE IN THE FRONT AND I CALLED DEALERSHIP. THEY TOLD ME THE BRAKES ARE GONE AND EVEN ROTORS ARE DAMAGED. I HAD NO INDICATION ALL THIS TIME I WAS DRIVING THAT THE CAR HAD NO BRAKES AS NO BRAKELIGHTS CAME ON. TILL THE TIME I WENT TO DEALERSHIP NO INDICATION CAME AS SENSOR…

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I HAVE 2008 MERCEDES S550. THE CAR SUDDENLY STARTED MAKING NOISE IN THE FRONT AND I CALLED DEALERSHIP. THEY TOLD ME THE BRAKES ARE GONE AND EVEN ROTORS ARE DAMAGED. I HAD NO INDICATION ALL THIS TIME I WAS DRIVING THAT THE CAR HAD NO BRAKES AS NO BRAKELIGHTS CAME ON. TILL THE TIME I WENT TO DEALERSHIP NO INDICATION CAME AS SENSORS ARE NOT WORKING. IS IT NOT UNSAFE TO BE DRIVING ON THE HIGHWAY 60 TO 70 MILES /HR WITH NO BREAK SENSORS . I CALLED MERC AND THE TOP TWO PEOPLE ROBYN AND TIM IN ESCALATION DEPT TELL ME AT FIRST THEY ARE PICKING UP THE. REPAIR AND THEN TOTALLY TURNED THEIR BACKS AND YEARS AND SAID TO ME IT IS NOT A SAFETY ISSUE WHERE THE CARS BREAKS ARE COMPLETELY GONE TO THE POINT THE ROTORS ARE DAMAGED AND THERE IS MO INDICATION. WITH A 100K CAR WHICH HAS ALL THESE FANCY FEATURES BUT BRAKES ARE NOT IMO. *TR

NHTSA ODI #10255933

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.