RoadVitals

2003 Mercedes-Benz S 500 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
10
Latest May 26, 2020
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Feb 13, 2003

What this page shows

Our database holds 10 NHTSA owner-reported complaints for the 2003 Mercedes-Benz S 500. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–10 of 10

Seat belts
Filed May 26, 2020

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

NHTSA ID
11326090
Incident
Jun 1, 2019
Exterior lightingSeat belts
Filed Nov 26, 2018

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.

NHTSA ID
11153939
Incident
Nov 20, 2018
Mileage
63,250 mi
Suspension
Filed Dec 11, 2015

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.

NHTSA ID
10809693
Incident
Dec 2, 2015
Mileage
147,000 mi
Electrical
Filed Sep 30, 2015

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.

NHTSA ID
10778800
Incident
Aug 30, 2015
Mileage
162,000 mi
Seat belts
Filed Sep 20, 2014

THE SEAT BELTS WILL PERIODICALLY NOT EXTEND. *TR

NHTSA ID
10637753
Incident
Apr 1, 2013
Mileage
100,000 mi
Seat belts
Filed Aug 11, 2014

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.

NHTSA ID
10621368
Incident
Aug 1, 2006
Mileage
28,000 mi
Electrical
Filed Oct 11, 2013

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 FROM UNDERNEATH THE CAR WHAT WILL KEEP THE NEW MODULE (SAM) FROM GETTING WET. SOMETHING IS ALLOWING THE (SAM) MODULE TO GET WET FROM UNDER THE CAR. *TR

NHTSA ID
10547686
Incident
Oct 10, 2013
Mileage
55,000 mi
Brakes
Filed Oct 3, 2004

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

NHTSA ID
10097157
Incident
Sep 15, 2004
Mileage
12,905 mi
Heating & air conditioning
Filed Dec 15, 2003

THE CONSUMER TOOK THE VEHICLE TO THE MANUFACTURER FOR FINAL REPAIRS, HOWEVER THE PROBLEM STILL EXISTED ON WITH AIR CONDITIONER. *LA NAR *CB *JB

NHTSA ID
10051713
Incident
Jan 1, 1901
EnginePowertrain (other)
Filed Feb 13, 2003

THE GEARS BECAME STUCK, AND THE ENGINE DID NOT SHUT OFF, CONSUMER HAD TO DISCONNECT THE BATTERY TO SHUT OFF THE ENGINE.*JB

NHTSA ID
10007378
Mileage
250 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .