There are 12 owner-reported electrical system complaints for the 2005 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2005 Mercedes-Benz S430. The contact stated that while driving at undisclosed speeds, he became aware that the defroster was not working properly, affecting the visibility while driving. The contact also stated that the heater and the A/C were not working. The vehicle was taken to an independent mechanic and the failure was linked to NHTSA Campaign Number: 04V227000 (Electrical System); however, neither the VIN nor the model year was included in the recall. The vehicle was not repaired and remained with the independent mechanic. The manufacturer was made aware of the failure. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was approximately 190,000.
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ S430. THE CONTACT STATED THAT WHILE ATTEMPTING TO START THE VEHICLE, THE BATTERY WAS DEAD AND THE INSTRUMENT PANEL WAS INOPERABLE. THE VEHICLE STARTED UP AFTER THE BATTERY WAS CHARGED HOWEVER, THE INSTRUMENT PANEL WAS STILL INOPERABLE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. NEITHER A DEALER NOR THE MANUFACTURER WERE MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 206,000. ## VIN PASSED ## MERCEDES-BENZ 2005 S430 ##
ELECTRONIC DASH INSTRUMENT CLUSTER WENT BLACK AND THE SPEEDOMETER COULD NOT BE SEEN AND ALL OTHER DRIVER INFORMATION ON THE REMAINING GAUGES WERE ALSO NOT VISIBLE. THE DOOR LOCKS WOULD NOT OPERATE ,THE TRUNK WOULD NOT OPEN AND THE SEANT WOULD NOT MOVE IN ANY DIRECTION. I WAS DRIVING THE 118 FREEWAY IN CA . I WAS DOING 65 MPH WHEN THE INCIDENT OCCURED. I HAD TO GET OFF THE FREEWAY AND DRIVE HOME ON SURFACE STREETS. WAY TOO DANGEROUS TO CONTINUE ON THE FREEWAY. THE CAR HAS APPROXIMATELY 99000 MILES AND HAD NO OTHER PROBLEMS.
WHILE DRIVING AT APPROXIMATELY 45 MPH MY INSTRUMENT PANEL WENT BLACK. I COULD NOT DETERMINE MY SPEED, TIME OF DAY FUEL USAGE, MILES TRAVELED, OR SIGNAL LIGHTS. I DID NOT BUY THE VEHICLE FROM A MERCEDES DEALER. I CALLED A DEALER ABOUT A RECALL. HE STATED THAT THERE WAS A RECALL BUT IT HAD EXPIRED. I UNDERSTAND A RECALL EXPIRING, BUT IT SEEMS THAT MERCEDES BENZ WOULD SUPPORT THEIR PRODUCT NO MATTER WHEN THE DEFECT OCCURRED. IT IS A SAFETY ISSUE THAT COULD HAVE CAUSED RUNNING OUT OF FUEL WITHOUT BEING ABLE TO DETECT IT AND NO WAY OF BEING AWARE OF THE SPEED OF THE VEHICLE. THE SIGNAL LIGHTS DON'T FUNCTION ON THE CLUSTER. I BELIEVE IT WAS A DEFECT THAT MERCEDES BENZ WAS AWARE OF AND THAT THEY SHOULD REPLACE THE INSTRUMENT CLUSTER AT NO COST TO ME. THE COST TO REPLACE THE INSTRUMENT CLUSTER IS OUTRAGEOUS FOR A COMPONENT THAT IS OBVIOUSLY DEFECTIVE. OWNERS SHOULD NOT BE RESPONSIBLE FOR DEFECTIVE COMPONENTS THAT ARE OR HAVE BEEN A PART OF A RECALL. *TR
TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ S430. WHILE DRIVING APPROXIMATELY 35 MPH, THE INSTRUMENT CLUSTER LIGHTS SUDDENLY SHUT OFF AND WOULD NOT ILLUMINATE. THE GAUGES WERE IMPOSSIBLE TO READ. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000. UPDATED 08/02/16*LJ UPDATED 08/08/16.*JB
TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ S430. WHILE DRIVING APPROXIMATELY 30 MPH, THE INSTRUMENT CLUSTER FAILED TO OPERATE. THE VEHICLE WAS DRIVEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE INSTRUMENT CLUSTER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 105,000.
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ S500. WHILE DRIVING AT VARIOUS SPEEDS, THE INSTRUMENT PANEL FAILED AND CAUSED ALL THE GAUGES TO BECOME INOPERABLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 139,995.
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ S500. WHILE DRIVING 35 MPH, THE INSTRUMENT PANEL SEIZED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INSTRUCTED TO TAKE THE VEHICLE TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 52,000.
BLOWER MOTOR STOPPED WORKING AND REMAINED INTERMITTENT THROUGH JULY 2015. MERCEDEZ BENZ OF ST. LOUIS REPLACED BLOWER MOTOR AND REGULATOR/CONTROLLER. WITHIN DAYS OF GETTING CAR BACK THE BLOWER CONTINUED TO BE INTERMITTENT. IT WOULD WORK FOR DAYS OR WEEKS AND THEN STOP FOR 1-3 DAYS. I TOOK IT BACK TO THE DEALER WHEN IT WAS NOT WORKING AND THEY THOUGHT IT MIGHT BE THE SWITCHES IN THE DASH. STILL UNRESOLVED. IN ADDITION THE WIPERS WOULD STOP WORKING, THE RADIO WOULD STOP WORKING AND THE PASSENGER SEAT AIRBAG SENSOR WAS INTERMITTENT.
TL* THE CONTACT OWNS A 2005 MERCEDES BENZ S430. WHILE DRIVING AT AN UNKNOWN SPEED, THE STABILITY CONTROL INDICATOR ILLUMINATED AND THE VEHICLE STALLED. THE VEHICLE WAS TOWED TO THE DEALER. THE TECHNICIAN STATED THAT THE ELECTRICAL SYSTEM FAILED AND CAUSED THE GEAR TO SHIFT INTO LOW GEAR. THE TECHNICIAN ADDED THAT THE ELECTRICAL MODULE WAS UNABLE TO READ THE KEY AND THE HEADLIGHTS MALFUNCTIONED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 105,000.
TL*THE CONTACT OWNS A 2005 MERCEDES BENZ S430. WHILE PARKED, THE CONTACT TURNED THE IGNITION AND TOOK THE KEY OUT OF THE VEHICLE BUT THE IGNITION CONTINUED TO RUN. THE CONTACT NOTICED SMOKE COMING FROM UNDER THE HOOD. THE CONTACT OPENED THE HOOD AND NOTICED FLAMES. THE FIRE DEPARTMENT WAS CALLED. THE FIRE DEPARTMENT ARRIVED AND DID NOT NOTICE A FLAME BUT PULLED THE VEHICLE OUT OF THE DRIVE WAY DUE TO FEAR IT COULD EXPLODE. THE VEHICLE SHUT OFF ON ITS OWN. THE VEHICLE WAS TOWED TO A CERTIFIED MECHANIC. THE AIR PUMP AND AIR MODULE PUMP COMPRESSOR WERE REPLACED. THE APPROXIMATE FAILURE MILEAGE WAS 90,000.
AIRBAG LIGHT CAME ON IN 2005 SMART CAR. MAINTENANCE BOOK SAYS GET TO DEALER IMMEDIATELY, SO WE DID. THIS IS A COMMON PROBLEM THAT SHOULD BE A RECALL. THE WIRING HARNESS NEEDED REPLACED. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026