Model year record
2003 Mercedes-Benz S500 recalls & problems
The 2003 Mercedes-Benz S500 has no safety recalls on file with NHTSA, and 10 owner complaints. The most-reported problem area is seat belts (4 complaints).
Safety recalls
No safety recalls have been filed for the 2003 Mercedes-Benz S500.
Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.
Fuel economy
S500
| City / highway | 14 / 20 mpg |
|---|---|
| Fuel | Premium Gasoline |
5 L · 8 cyl · Automatic 5-spd · Rear-Wheel Drive · about $5,150/year to fuel
S500 4matic
| City / highway | 14 / 19 mpg |
|---|---|
| Fuel | Premium Gasoline |
5 L · 8 cyl · Automatic 5-spd · 4-Wheel or All-Wheel Drive · about $5,150/year to fuel
EPA estimates from fueleconomy.gov for each engine and transmission sold. Annual cost is the EPA's estimate for 15,000 miles a year at its current fuel and electricity price assumptions. Your results will vary.
What owners report
| Problem area | Complaints | Typical mileage* |
|---|---|---|
| Seat beltsFront › Retractor | 4 | 63,250 mi |
| Electrical system | 2 | — |
| Power train | 1 | — |
| Engine and engine coolingEngine | 1 | — |
| EquipmentAppliance › Air conditioner | 1 | — |
| Service brakes, hydraulicAntilock/traction control/electronic limited slip | 1 | — |
| Suspension | 1 | — |
| Exterior lighting | 1 | — |
*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Recent owner complaints
- Seat belts
DURING HOT WEATHER THE SEAT BELT GETS STUCK AND YOU WILL NOT BE ABLE TO USE THE SEAT BELT AT ALL. THIS IS A SAFETY ISSUE AND SHOULD NOT HAPPEN. THIS HAPPENS WHEN THE CAR IS PARKED UNDER HOT WEATHER. THIS IS IN THE DRIVERS SIDE. THIS HAS BEEN HAPPENING FOR THE LAST 1 YEAR.*DT CONSUMER STATED SEAT BELT GETS JAMMED WHEN TEMPERATURE GOES OVER 90 DEGREES AND IS UNABLE TO USE SEAT BELTS AS WELL AS PARK THE CAR OUTSIDE FOR LONG PERIODS OF TIME. CONSUMER HAS REPLACED THE SEAT BELTS BUT MALFUNCTIONING.*JB
- Seat belts
THE PASSENGER FRONT SEAT BELT WILL NOT RETRACT. ALSO, THE DASHBOARD LIGHTS WENT OUT WHILE DRIVING MAKING IT VERY HARD TO SEE SPEED/FUEL/GEAR SELECTION. THESE ARE BOTH SAFETY CONCERNS THAT SHOULD BE RECALLED. WE CAN SEND YOU A PICTURE OF THE DEAD DASH IF NEEDED. ALSO VIDEO OF A STUCK SEAT BELT. THANKS, KURT.
- Suspension
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S500. WHILE ATTEMPTING TO MAKING A RIGHT OR LEFT TURN, AN ABNORMAL NOISE WAS HEARD ON THE FRONT PASSENGER SIDE OF THE VEHICLE. THE FAILURE WAS PERSISTENT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 147,000.
- Electrical system
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S500. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, THE SPEEDOMETER LIGHTS FLASHED AND THERE WAS AN ABNORMAL BURNING ODOR COMING FROM THE FRONT PANEL. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT STATED HE WAS MECHANIC AND THE INSTRUMENT CLUSTER FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 162,000.
- Seat belts
THE SEAT BELTS WILL PERIODICALLY NOT EXTEND. *TR
- Seat belts › Front › Retractor
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S500. THE CONTACT STATED THAT THE FRONT PASSENGER SIDE SEAT BELT FAILED TO RETRACT. DURING WARMER OUTSIDE TEMPERATURES, THE FAILURE WOULD WORSEN. THE FAILURE OCCURRED MULTIPLE TIMES. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 28,000.
- Electrical system
SPECIAL ACQUISITION MODULE (SAM) MY CAR WOULD NOT START THE MERCEDES ROADSIDE CAME OUT AND STARTED THE CAR AND I TOOK IT TO THE DEALERSHIP FOR DIAGNOSTIC. UPON REVIEW THE DEALER STATED THE SAM MODULE PLASTIC COVER HAD WATER DROPS ON IT. THEY ALSO STATED THE MALE AND FEMALE CONNECTORS TO THE MODULE WAS CORRODED, AND I WOULD NEED A NEW SPECIAL ACQUISITION MODULE (SAM) AT THE COST OF $1590.00. THEY ASK IF I HAD LEFT THE WINDOWS DOWN, BUT I HAD NOT THE INSIDE OF THE CAR HAS NEVER BEEN WET, BUT I DID NOTICE EVERYTIME I WENT TO THE CAR WASH THE INFORMATION SYSTEM WAS SHOWING ALERTS I DIDN'T RECOGNIZE. MY CONCERN IS EVEN WITH A NEW MODULE IF THE OLD ONE GOT WET AND IT IS CLEAR THE WATER IS COMING…
- Service brakes, hydraulic › Antilock/traction control/electronic limited slip
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
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.