NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
54 reports90,000 miles · May 15, 2013
Suspension
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ S550. THE CONTACT STATED THAT WHILE DRIVING 15 MPH, THE FRONT DRIVER AND PASSENGER SIDE BALL JOINTS EXHIBITED AN ABNORMAL NOISE, MAKING IT DIFFICULT FOR THE CONTACT TO CONTROL THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO A DEALER AND WAS ADVISED THAT THE BALL JOINTS NEEDED TO BE REPLACED…
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TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ S550. THE CONTACT STATED THAT WHILE DRIVING 15 MPH, THE FRONT DRIVER AND PASSENGER SIDE BALL JOINTS EXHIBITED AN ABNORMAL NOISE, MAKING IT DIFFICULT FOR THE CONTACT TO CONTROL THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO A DEALER AND WAS ADVISED THAT THE BALL JOINTS NEEDED TO BE REPLACED. THE CONTACT DID NOT HAVE THE BALL JOINTS REPLACED. THE CONTACT DID NOT CALL THE MANUFACTURER. THE FAILURE MILEAGE WAS 90,000.
NHTSA ODI #10512182
51,000 miles · Jan 4, 2013
Electrical SystemFire
TL* THE CONTACT OWNS A 2007 MERCEDES S550. THE CONTACT WAS STOPPED AT A TRAFFIC STOP AND NOTICED SMOKE COMING FROM UNDER THE HOOD. THE CONTACT STOPPED IN A PARKING LOT AND NOTICED FLAMES WERE INSIDE THE GRILL AND BEHIND THE PASSENGER'S SIDE HEADLIGHT. THE FIRE DEPARTMENT WAS CALLED AND A FIRE REPORT WAS FILED. THE VEHICLE WAS TO…
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TL* THE CONTACT OWNS A 2007 MERCEDES S550. THE CONTACT WAS STOPPED AT A TRAFFIC STOP AND NOTICED SMOKE COMING FROM UNDER THE HOOD. THE CONTACT STOPPED IN A PARKING LOT AND NOTICED FLAMES WERE INSIDE THE GRILL AND BEHIND THE PASSENGER'S SIDE HEADLIGHT. THE FIRE DEPARTMENT WAS CALLED AND A FIRE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INSURANCE YARD FOR INSPECTION. THE FIRE CHIEF ADVISED THE CONTACT THAT THE FIRE WAS CAUSED BY AN ELECTRICAL FAILURE IN THE HEADLIGHT UNIT. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 51,000.
NHTSA ODI #10491444
60,000 miles · Mar 1, 2012
Vehicle Speed Control
VEHICLE IS STOPPED AT TRAFFIC LIGHT WITH DRIVER'S FOOT ON BRAKE. ENGINE REVS UP FOR A MOMENT AND VEHICLE LURCHES FORWARD. HAPPENED AT TWO STOPS AT LIGHTS WITHIN A FEW MINUTES. *TR
NHTSA ODI #10449937
62,000 miles · Feb 23, 2012
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ S550. THE CONTACT STATED THAT THE VEHICLE STALLED MOMENTARILY BEFORE RESTARTING INDEPENDENTLY. THE FAILURE RECURRED WHILE DRIVING AT VARIOUS SPEEDS ABOVE 5 MPH, ON AN INTERMITTENT BASIS. NO WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL AFTER THE FAILURE. THE VEHICLE WAS TAKEN TO AN …
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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ S550. THE CONTACT STATED THAT THE VEHICLE STALLED MOMENTARILY BEFORE RESTARTING INDEPENDENTLY. THE FAILURE RECURRED WHILE DRIVING AT VARIOUS SPEEDS ABOVE 5 MPH, ON AN INTERMITTENT BASIS. NO WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL AFTER THE FAILURE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ON NUMEROUS OCCASIONS AND THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE SYSTEM WAS RESET, BUT THE FAILURE CONTINUED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 62,000.
NHTSA ODI #10449086
22,895 miles · Apr 28, 2011
Vehicle Speed Control
TL*THE CONTACT OWNS A 2007 MERCEDES S550. THE CONTACT NOTICED THAT WHILE IDLE IN TRAFFIC IF HE REMOVED HIS FOOT OFF OF THE BRAKE PEDAL OR ACCELERATOR PEDAL IT WOULD SURGE FORWARD. THE FAILURE OCCURRED EVERY TIME HE DROVE THE VEHICLE AND WAS IDLE IN TRAFFIC. THE DEALER WAS AWARE OF THE FAILURE; HOWEVER, HE WAS UNABLE TO DUPLICA…
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TL*THE CONTACT OWNS A 2007 MERCEDES S550. THE CONTACT NOTICED THAT WHILE IDLE IN TRAFFIC IF HE REMOVED HIS FOOT OFF OF THE BRAKE PEDAL OR ACCELERATOR PEDAL IT WOULD SURGE FORWARD. THE FAILURE OCCURRED EVERY TIME HE DROVE THE VEHICLE AND WAS IDLE IN TRAFFIC. THE DEALER WAS AWARE OF THE FAILURE; HOWEVER, HE WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER INSPECTED THE VEHICLE AND ADVISED THE CONTACT TO DRIVE IN SECOND GEAR RATHER THAN FIRST. NO REPAIRS WERE PERFORMED. THE CURRENT MILEAGE WAS 24,366 AND THE FAILURE MILEAGE WAS 22,895. UPDATED 5/9/11 *CN UPDATED 05/18/11 UPDATED 06/01/11*LJ *TR
NHTSA ODI #10398101
61,000 miles · Mar 4, 2011
Electrical SystemSteeringUnknown Or Other
THE VEHICLE SHUTS OFF FOR A SECOND THE ESP AND ABS LIGHTS WOULD COME ON, THE STEERING WHEEL OF THE VEHICLE WOULD GET STIFF, THE BRAKES GET STIFF THE HEADLIGHTS AND INTERIOR LIGHTS WOULD GO OFF, AND THE COMMAND CENTER WOULD REBOOT. IT SEEMS LIKE THE VEHICLE IS EXPERIENCING A BRIEF ELECTRICAL FAILURE. I HAVE BEEN COMPLAINING OF TH…
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THE VEHICLE SHUTS OFF FOR A SECOND THE ESP AND ABS LIGHTS WOULD COME ON, THE STEERING WHEEL OF THE VEHICLE WOULD GET STIFF, THE BRAKES GET STIFF THE HEADLIGHTS AND INTERIOR LIGHTS WOULD GO OFF, AND THE COMMAND CENTER WOULD REBOOT. IT SEEMS LIKE THE VEHICLE IS EXPERIENCING A BRIEF ELECTRICAL FAILURE. I HAVE BEEN COMPLAINING OF THIS PROBLEM SINCE I PURCHASED THE VEHICLE AS A CERTIFIED PREOWNED VEHICLE. THE FIRST TIME I TOOK THE VEHICLE TO THE DEALERSHIP THE REPLACED THE STEERING CONTROL MODULE AND THE PROBLEM PERSISTED. I NOTIFIED THEM OF THE REOCCURRING PROBLEM AGAIN AND THE CLAIMED THE WHERE NOT ABLE TO FIND ANY FAULTS. I SET UP A CAMERA IN THE VEHICLE AND VIDEOTAPED THE PROBLEM OCCURRING AND THE FINALLY TOOK THE VEHICLE FOR AN EXTENDED TEST DRIVE AND REPLACED THE CENTRAL GATEWAY WHICH DID NOT SOLVE THE PROBLEM. I CONTACTED MBUSA CUSTOMER SERVICE TO NOTIFY THEM OF THE SAFETY CONCERNS REGARDING THE VEHICLE AND THAT I WAS STILL EXPERIENCING THE SAME PROBLEM AND I WAS BRUSHED OFF SAYING THE WERE SORRY AND THERE IS NOTHING THEY CAN DO ABOUT THE PROBLEM. THIS IS A PROBLEM THAT COULD POTENTIALLY LEAD TO A FATAL INCIDENT BECAUSE IT INVOLVES THE VEHICLE CUTTING OF FOR A BRIEF SECOND AND CAUSING MANY COMPONENT NOT TO FUNCTION DURING THAT SECOND AND THE VEHICLE IS NOT INTENDED TO FUNCTION IN THIS MANNER. MERCEDES IS NOT DOING THEIR DUE DILIGENCE TO INVESTIGATE AND CORRECT THE PROBLEM BESIDES THE BASIC DIAGNOSTICS THAT DO NOT YIELD AN ERROR CODE. I WILL GLADLY FURNISH THE VIDEO TAPE WHICH IS EVIDENCE THE ISSUE OCCURS.
NHTSA ODI #10388348
6,000 miles · Feb 22, 2011
Power Train
TL*THE CONTACT OWNS A 2007 MERCEDES-BENZ S550. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND TRYING TO PLACE THE VEHICLE INTO A DIFFERENT GEAR, IT WOULD NOT MOVE. THE VEHICLE WAS ABLE TO SHIFT AFTER A FEW MOMENTS OF WAITING. THE VEHICLE WAS INSPECTED BY A DEALER WHO ADVISED HIM THAT THEY WERE UNABLE TO DIAGNOSE OR…
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TL*THE CONTACT OWNS A 2007 MERCEDES-BENZ S550. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND TRYING TO PLACE THE VEHICLE INTO A DIFFERENT GEAR, IT WOULD NOT MOVE. THE VEHICLE WAS ABLE TO SHIFT AFTER A FEW MOMENTS OF WAITING. THE VEHICLE WAS INSPECTED BY A DEALER WHO ADVISED HIM THAT THEY WERE UNABLE TO DIAGNOSE OR DUPLICATE THE FAILURE. THE FAILURE OCCURRED ON AN INTERMITTENT BASIS SINCE 2008. HE ALSO STATED THAT WHILE SLOWING DOWN AND SHIFTING INTO FIRST GEAR, THE VEHICLE WOULD SUDDENLY SURGE FORWARD. THE VEHICLE WAS INSPECTED BUT THE FAILURE COULD NOT BE DUPLICATED. THE FAILURE MILEAGE WAS APPROXIMATELY 6,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 22,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10383976
42,000 miles · Feb 17, 2011
Power Train
WITHOUT ANY WARNING THE TRANSMISSION WENT OUT ON 2007 MERCEDES S550 WITH ONLY 40,000 MILES ON IT. I PURCHASED THE VEHICLE BRAND NEW AND HAD MAINTAINED SERVICE WITH MERCEDES AND HAD ALL THE RECORDS. THE CAR WAS A FEW MONTHS OUT OF THE MANUFACTURES WARRANTY YET I BEEN VERY WELL MAINTAINED AND HAD LOW MILEAGE CONSIDERING I BOUGHT I…
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WITHOUT ANY WARNING THE TRANSMISSION WENT OUT ON 2007 MERCEDES S550 WITH ONLY 40,000 MILES ON IT. I PURCHASED THE VEHICLE BRAND NEW AND HAD MAINTAINED SERVICE WITH MERCEDES AND HAD ALL THE RECORDS. THE CAR WAS A FEW MONTHS OUT OF THE MANUFACTURES WARRANTY YET I BEEN VERY WELL MAINTAINED AND HAD LOW MILEAGE CONSIDERING I BOUGHT IT WHEN THEY FIRST CAME OUT IN 2006. MERCEDES DID EVERYTHING POSSIBLE TO SAY I HAD NOT PROPERLY SERVICED VEHICLE UNTIL I PRODUCED ALL THE RECORDS, THOUGHT THEY HAD A SYSTEM THAT TRACED SERVICE SINE ALL WORK WAS PERFORMED BY THEM. THE CUSTOMER SERVICE WAS VERY RUDE AND I ENDED UP PAYING TO HAVE TRANSMISSION REPLACED. I HOPE THE CUSTOMER SERVICE GUY CAN BUY A S SERIES. IT'S THE LAST ONE I WILL EVER BUY !!!! *TR
NHTSA ODI #10383065
52,650 miles · Feb 3, 2011
Air Bags
SIDE AIR BAGS DEPLOYED WITHOUT CAUSE. THIS HAPPENED ON THE GARDEN STATE PARKWAY ON THE MIDDLE LANE. THERE WERE NO DEBRIS OR OBJECTS IN THE VEHICLE'S PATH AT THE TIME.
NHTSA ODI #10380686
64,000 miles · Aug 4, 2010
Electrical SystemFire
MY NAME IS [XXX], AND I AM A RESIDENT OF QUEENS, NY. I RECENTLY BOUGHT A 07 MERCEDES BENZ S550 IN JULY OF 2009 FROM THE CERTIFIED PRE-OWNED DEALERSHIP WITH CPO WARRANTY. I HAD IT FINANCED WITH MERCEDES BENZ FINANCIAL. THE CAR HAD 34,000 MILES ON IT INITIALLY. OVER THE TIME SPAN IN WHICH I USED THE CAR, I HAD TO TAKE THE CAR MANY…
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MY NAME IS [XXX], AND I AM A RESIDENT OF QUEENS, NY. I RECENTLY BOUGHT A 07 MERCEDES BENZ S550 IN JULY OF 2009 FROM THE CERTIFIED PRE-OWNED DEALERSHIP WITH CPO WARRANTY. I HAD IT FINANCED WITH MERCEDES BENZ FINANCIAL. THE CAR HAD 34,000 MILES ON IT INITIALLY. OVER THE TIME SPAN IN WHICH I USED THE CAR, I HAD TO TAKE THE CAR MANY X'S TO THE SHOP. IN APRIL 10 THE TRANS. FAILED, AND IN MAY 2010 THE SUSP (ACTIVE BODY CONTROL/ ABC) SYSTEM FAILED. THESE WERE THE MAJOR ITEMS THAT REQ.'D WORK, BESIDES THAT THERE WERE MANY OTHER PROBLEMS THAT OCCURRED PREVIOUSLY AND AS WELL AS AFTERWARDS, THAT REQUIRED GETTING SERVICE DONE ON THE CAR. IF YOU TAKE A LOOK AT THE CAR'S MAINTENANCE HISTORY, YOU WILL SEE A LARGE AMOUNT OF WORK DONE, AND IT SHOULD NOT BE LIKE THAT FOR SUCH A HIGH CLASS AND EXPENSIVE CAR. WELL I WAS DRIVING THE CAR, AND HAD LIL PROB HERE AND THERE. BUT I HAD NO IDEA THAT WAS THE LEAST OF MY PROB. ON JUNE 12, 2010, I HAD TAKEN THE CAR OUT FOR A WORK, AND WAS DRIVING IN HILLSIDE AVE IN NY. MY AIR CONDITIONING IN THE CAR WAS RUNNING, EXCEPT FOR THE CENTRAL FAN, AND WHEN I TRIED TO TURN IT OFF, IT JUST CONTINUED TO RUN. I WAS JUST DRIVING ALONG, WHEN I SMELLED SOMETHING BURNING, AND DECIDED TO PULL OVER. I TURNED THE CAR OFF, AND GOT OUT OF THE CAR AND LOOKED UNDER THE HOOD TO MAKE SURE EVERYTHING WAS OK. THERE WAS NOTHING WRONG UNDER THE HOOD, SO I GOT BACK IN THE CAR, AND WAS ABOUT TO PULL OUT WHEN I SAW SMOKE COMING OUT OF THE CENTRAL VENTS ON THE DASHBOARD. THE CAR WAS STILL OFF, BUT THE ELECTRICAL COMPONENTS OF THE CAR BEGAN WORKING BY THEMSELVES. 1 BY 1, THE LIGHTS, THE WIPERS, THE WINDSHIELD CLEANING SOAP, THE DISPLAY, STARTED TO COME ON. I HAD JUST GOTTEN OUT OF THE CAR, WHEN IT LOCKED AND THE FLAMES ERUPTED. IN A MATTER OF MINUTES THE CAR WENT UP IN FLAMES AND WAS COMPLETELY TOTALED. I CALLED THE FIRE DEPT. AND THEY PUT THE FIRE OUT. THEN I HAD THE CAR TOWED TO THE DEALERSHIP, AND INFORMED THEM OF WHAT HAD. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).*TR
NHTSA ODI #10347258