IllustrationVehicle stall - engine cut off - on highway at speed (50-55miles/hr) posing driver and passenger safety. No OBD error code or ECU error Similar incidents reported by Mercedes owners S500 model across USA As posted on Mercedes forums.
2006 Mercedes Benz S500
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all S500 years →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: 10 of 12 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.
- Engine. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 3 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
Electrical System complaints
3 reportsMY TRANSMISSION WOULD NOT SHIFT OUT OF SECOND GEAR. I TURNED IT OFF AND BACK ON AND IT DID NOT CLEAR. I GOT A "PRE-SAFE UNAVAILABLE" MESSAGE. I DID SOME RESEARCH AND LEARNED THIS IS A "TRANSMISSION CONTROL MODULE" FAILURE. IT IS VERY UNSAFE IN THAT THE CAR CANNOT KEEP UP WITH TRAFFIC AND IS A DANGER TO MYSELF AND OTHERS. *TR
THE TELEMATICS DEVICE IN MY 2006 MB S500 SPONTANEOUSLY MALFUNCTIONED. NO KNOWN EVENTS LEAD UP TO THE FAILURE, TOTAL LOSS OF INFORMATION AND SAFETY UPLINK, TOTAL LOSS OF NEW $300 MBRACE SUBSCRIPTION VALUE, AS OF 21 MAR 2011, NOTHING DONE TO CORRECT OTHER THAN CALL TO DEALER. WAS A PRIOR RECALL DONE THAT WOULD HAVE IMPACTED THE VE…
Read full complaint
THE TELEMATICS DEVICE IN MY 2006 MB S500 SPONTANEOUSLY MALFUNCTIONED. NO KNOWN EVENTS LEAD UP TO THE FAILURE, TOTAL LOSS OF INFORMATION AND SAFETY UPLINK, TOTAL LOSS OF NEW $300 MBRACE SUBSCRIPTION VALUE, AS OF 21 MAR 2011, NOTHING DONE TO CORRECT OTHER THAN CALL TO DEALER. WAS A PRIOR RECALL DONE THAT WOULD HAVE IMPACTED THE VEHICLE TELEMATICS UNIT OR THE ASSOCIATED VEHICLE ELECTRICAL SYSTEM? *TR
Official recalls
0No 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
0No exact-year investigations in this snapshot.