2003 Mercedes-Benz S Class Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2003 Mercedes-Benz S Class, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Suspension718.9%
- Electrical616.2%
- Interior & seats513.5%
- Airbags410.8%
- Seat belts410.8%
- Body & structure25.4%
- Transmission25.4%
- Engine25.4%
- Fuel system12.7%
- Tires & wheels12.7%
- Steering12.7%
- Brakes12.7%
- Other / unspecified12.7%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
WHEN VEHICLE GETS COLD( OUTSIDE TEMP BELOW 17 F), THE CAR WILL LOWER, AND AIROMATIC WARNING MESSAGE COMES ON SAYING AIROMATIC VEHICLE TOO LOW STOP VISIT SHOP. *TR
WHEN TEMPERATURE FALLS BELOW 17 DEGREES F, THE VEHICLE DROP TO UNSAFE LEVEL, AND MESSAGE SAYS AIRMATIC STOP CAR VEHICLE TOO LOW. THE TIRES WILL START RUBBING ON LINER. CALLED DEALER THEY SAID TEMPERATURE IN GERMANY DOES NOT GO THAT LOW, WELL THIS CAR IS SOLD IN US, AND THEY NEED TO MAKE IT WORK. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
THE INTERIOR LIGHTS ARE MALFUNCTIONING IN MY CAR AND I CAN'T READ MY GAUGES ON THE SPEEDOMETER DURING THE DAY OR AT NIGHT. THIS IS A SAFETY ISSUE. *TR
MY CAR IS HAVING ELECTRICAL MALFUNCTIONS. THE INTERIOR LIGHTS INSIDE MY CAR ARE MALFUNCTIONING. THE LIGHTS ON MY DASHBOARD ARE MALFUNCTIONING. I CAN'T SEE HOW FAST I'M DRIVING BECAUSE I CAN'T SEE THE SPEEDOMETER. THIS IS VERY UNSAFE FOR ME. WHEN THE ELECTRICAL MALFUNCTIONS OCCUR, NOTHING ELECTRICAL, LIGHTS, SEATS WORK IN THE CAR. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S55. THE CONTACT STATED THAT THE SEAT BELT WOULD NOT RETRACT PROPERLY WHENEVER THERE WERE WARMER TEMPERATURES. THE VEHICLE WAS INSPECTED BY A DEALER AND THE DEALER WAS UNABLE TO DETERMINE THE FAILURE. IN ADDITION, THE CONTACT STATED THAT THE TRUNK LID WOULD EITHER BECOME RESISTANT WHEN ATTEMPTING TO CLOSE THE HATCH, OR IT WOULD CLOSE INDEPENDENTLY. ON ONE OCCASION, THE TRUNK LID CLOSED UNEXPECTEDLY ON THE CONTACT AS SHE ATTEMPTED TO REMOVE ITEMS FROM THE TRUNK AREA. AS A RESULT, THE CONTACT SUSTAINED A CONTUSION TO THE RIGHT LEG. THE CONTACT ALSO STATED THAT THE KEY FOB FAILED TO ENGAGE THE TRUNK LID. THE MANUFACTURER WAS MADE AWARE OF FAILURE AND ADVISED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 04V285000 (LATCHES/LOCKS/LINKAGES: TRUNK LID SPRINGS). THE FAILURE MILEAGE WAS 50,000. THE CURRENT MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.
SHIFTER STUCK IN PARK DUE TO THE ONLY PLASTIC PART ( SHIFTER MODULE) IN THE SHIFTER BOX. MERCEDES HEADQUARTERS TAKE NO RESPONSIBILITY FOR SUCH AN EXPENSIVE FIX WHEN PLASTIC PART BREAKS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
THE SRS SYSTEM (AIRBAGS) HAVE BEEN DEEMED INOPERABLE BY THE DEALER AND MAY EITHER DEPLOY AT ANY TIME OR NOT DEPLOY AT ALL IN A COLLISION. THIS IS DUE TO A DEFECTIVE SEATBELT BUCKLE AND A DEFECTIVE PASSENGER RECOGNITION SENSOR PAD LOCATED IN THE FRONT PASSENGER SEAT WHICH DISABLES/ENABLES THE AIRBAGS FUNCTIONALITY. BOTH A VERY COMMON DEFECT IN THE 2000 TO 2006 MODEL YEAR MERCEDES BENZ S CLASS VEHICLES. THE SEATBELT BUCKLE CONTAINS A SENSOR THAT EVENTUALLY FAILS FOR NO APPARENT REASON OR WARNING WHICH COMPROMISES THE AIR BAG'S FUNCTIONALITY. THE PASSENGER RECOGNITION SENSOR PAD LOCATED IN THE SEAT EVENTUALLY MALFUNCTIONS DUE TO FATIGUE.THIS ALSO DISABLES THE FUNCTIONALITY OF THE SRS SYSTEM.THIS MALFUNCTION HAS RECENTLY BEEN ADDRESSED AND RECALLED BY BMW FOR THE SAME ISSUES BUT MERCEDES BENZ HAS YET TO ISSUE A RECALL CAMPAIGN ALSO THE GEAR SHIFTER IS STUCK IN PARK AND CAN NOT BE SHIFTED IN REVERSE. THIS IS DUE TO A SMALL PLASTIC PART LOCATED IN THE SHIFTING MECHANISM WHICH IS RELEASED BY A SOLENOID WHEN THE BRAKE PEDAL IS DEPRESSED. THE PLASTIC PART EVENTUALLY CRACKS AND RENDERS THE CAR INOPERABLE.THE PART IS NOT AVAILABLE NOR PRODUCED BY MERCEDES BENZ AND THE ENTIRE MECHANISM MUST BE REPLACED BY THE DEALER AT THE OWNER'S EXPENSE. THE CRACKED PART CAN ALSO AFFECT THE SAFETY OF THE DRIVER AND PEDESTRIANS. IF IT CRACKS WHILE THE CAR IS IN DRIVE, THE SHIFTER CAN NOT BE MOVED FORWARD TO NEUTRAL OR PARK AND WILL REMAIN STUCK IN DRIVE DUE TO A BROKEN PIECE OF PLASTIC BLOCKING THE SHIFTER FROM MOVING.THIS IS ANOTHER EXTREMELY COMMON AND DANGEROUS DEFECT IN THE MODEL YEAR 2000 TO 2006 S CLASS AND HAS AFFECTED AND LEFT THOUSANDS OF MOTORISTS STRANDED. MERCEDES BENZ HAS THE LOWEST RECALL RATE IN THE UNITED STATES ACCORDING TO THE FOLLOWING HTTP://WWW.REUTERS.COM/ARTICLE/2014/03/27/US-AUTOS-RECALLS-STUDY-IDUSBREA2Q1ZQ20140327. THEY SHOULD NOT IGNORE SAFETY ISSUES. *TR
AIR BAG-DRIVERS SIDE, STEERING WHEEL. I RECENTLY BECAME AWARE OF YOUR SITE AND THOUGHT IT APPROPRIATE TO INFORM YOU OF THIS ISSUE. THE AIRBAG WARNING LIGHT CAME ON AND THE DEALER CLEARED THE FAULT CODE. THIS LASTED ONE WEEK AND THEN THE WARNING REAPPEARED. THEY DID NOT KNOW IF THIS CONDITION WOULD RESULT IN A DEPLOYMENT WHETHER WARRANTED OR NOT. IT SEEMED TO US THAT IT WAS UNSAFE TO DRIVE REGARDLESS. THEN, DESPITE THE 7 YEAR ,100,000 MILE WARRANTY, THEY SAID AIR BAGS ARE NOT COVERED. WE THEN INCURRED AN EXPENSE OF $1,841 TO REPLACE THE ENTIRE UNIT. IT SEEMED THE MANUFACTURER TRIED TO AVOID ANY AND ALL COMPLAINTS ABOUT AIR BAGS BEING PROBLEMATIC. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
THE SRS SYSTEM (AIRBAGS) HAVE BEEN DEEMED INOPERABLE BY THE DEALER AND MAY EITHER DEPLOY AT ANY TIME OR NOT DEPLOY AT ALL IN A COLLISION. THIS IS DUE TO A DEFECTIVE SEATBELT BUCKLE AND A DEFECTIVE PASSENGER RECOGNITION SENSOR PAD LOCATED IN THE FRONT PASSENGER SEAT WHICH DISABLES/ENABLES THE AIRBAGS FUNCTIONALITY. BOTH A VERY COMMON DEFECT IN THE 2000 TO 2006 MODEL YEAR MERCEDES BENZ S CLASS VEHICLES. THE SEATBELT BUCKLE CONTAINS A SENSOR THAT EVENTUALLY FAILS FOR NO APPARENT REASON OR WARNING WHICH COMPROMISES THE AIR BAG'S FUNCTIONALITY. THE PASSENGER RECOGNITION SENSOR PAD LOCATED IN THE SEAT EVENTUALLY MALFUNCTIONS DUE TO FATIGUE.THIS ALSO DISABLES THE FUNCTIONALITY OF THE SRS SYSTEM.THIS MALFUNCTION HAS RECENTLY BEEN ADDRESSED AND RECALLED BY BMW FOR THE SAME ISSUES BUT MERCEDES BENZ HAS YET TO ISSUE A RECALL CAMPAIGN ALSO THE GEAR SHIFTER IS STUCK IN PARK AND CAN NOT BE SHIFTED IN REVERSE. THIS IS DUE TO A SMALL PLASTIC PART LOCATED IN THE SHIFTING MECHANISM WHICH IS RELEASED BY A SOLENOID WHEN THE BRAKE PEDAL IS DEPRESSED. THE PLASTIC PART EVENTUALLY CRACKS AND RENDERS THE CAR INOPERABLE.THE PART IS NOT AVAILABLE NOR PRODUCED BY MERCEDES BENZ AND THE ENTIRE MECHANISM MUST BE REPLACED BY THE DEALER AT THE OWNER'S EXPENSE. THE CRACKED PART CAN ALSO AFFECT THE SAFETY OF THE DRIVER AND PEDESTRIANS. IF IT CRACKS WHILE THE CAR IS IN DRIVE, THE SHIFTER CAN NOT BE MOVED FORWARD TO NEUTRAL OR PARK AND WILL REMAIN STUCK IN DRIVE DUE TO A BROKEN PIECE OF PLASTIC BLOCKING THE SHIFTER FROM MOVING.THIS IS ANOTHER EXTREMELY COMMON AND DANGEROUS DEFECT IN THE MODEL YEAR 2000 TO 2006 S CLASS AND HAS AFFECTED AND LEFT THOUSANDS OF MOTORISTS STRANDED. MERCEDES BENZ HAS THE LOWEST RECALL RATE IN THE UNITED STATES ACCORDING TO THE FOLLOWING HTTP://WWW.REUTERS.COM/ARTICLE/2014/03/27/US-AUTOS-RECALLS-STUDY-IDUSBREA2Q1ZQ20140327. THEY SHOULD NOT IGNORE SAFETY ISSUES. *TR
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S55. THE CONTACT STATED THAT THE SEAT BELT WOULD NOT RETRACT PROPERLY WHENEVER THERE WERE WARMER TEMPERATURES. THE VEHICLE WAS INSPECTED BY A DEALER AND THE DEALER WAS UNABLE TO DETERMINE THE FAILURE. IN ADDITION, THE CONTACT STATED THAT THE TRUNK LID WOULD EITHER BECOME RESISTANT WHEN ATTEMPTING TO CLOSE THE HATCH, OR IT WOULD CLOSE INDEPENDENTLY. ON ONE OCCASION, THE TRUNK LID CLOSED UNEXPECTEDLY ON THE CONTACT AS SHE ATTEMPTED TO REMOVE ITEMS FROM THE TRUNK AREA. AS A RESULT, THE CONTACT SUSTAINED A CONTUSION TO THE RIGHT LEG. THE CONTACT ALSO STATED THAT THE KEY FOB FAILED TO ENGAGE THE TRUNK LID. THE MANUFACTURER WAS MADE AWARE OF FAILURE AND ADVISED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 04V285000 (LATCHES/LOCKS/LINKAGES: TRUNK LID SPRINGS). THE FAILURE MILEAGE WAS 50,000. THE CURRENT MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
THE TRUNK LID ON MY NEW 2003 MERCEDES BENZ S-430 OPENS AT A HIGH RATE OF SPEED AND KNOCKED A PACKAGE FROM MY WIFE'S HANDS MISSING HER FACE BY A SECOND.*AK
I WAS RECENTLY LOOKING AT THE PURCHASE OF A 2003 MERCEDES-BENZ S CLASS SEDAN AND WAS REVIEWING THE FEATURES TO ORDER. ONE OF THE OPTIONS WAS A "TRUNK CLOSER". THE DEALER HAD A UNIT IN STOCK WHICH HAD THIS OPTION AND I HAD ITS OPERATION DEMONSTRATED. MUCH TO MY SURPISE, IT DID NOT HAVE AN AUTOMATIC REVERSE NOR SHUTOFF FOR OBSTRUCTIONS. THE SALESMAN WAS UNABLE TO ADDRESS MY CONCERNS OVER THIS DANGEROUS AND FLAWED DESIGN. AS A PHYSICIAN AND FATHER OF A FOUR YEAR OLD CHILD, I FEEL AN OBLIGATION TO DRAFT THIS COMPLAINT IN AN ATTEMPT TO PREVENT A SERIOUS INJURY OR DEATH. I WILL ALSO FORWARD THIS TO MERCEDES-BENZ AS WELL. THANK YOU.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
SHIFTER STUCK IN PARK. THERE ARE PROBABLY HUNDREDS, POSSIBLY EVEN THOUSANDS OF MERCEDES OWNERS THAT HAVE EXPERIENCED THIS PROBLEM. FOR NO APPARENT REASON AND WITHOUT ANY WARNING THE SHIFTER LOCKS IN PARK. YOU TURN THE CAR ON AND IT WILL NOT MOVE EVEN IF USING A 16 POUND RUBBER MALLET TO BANG THE SHIFTER. I WOULD CONSIDER THIS AS A POTENTIALLY DANGEROUS SITUATION IF THE PERSON WAS OUT IN THE WILDERNESS OR A MOTHER TRAVELING WITH CHILDREN IN THE CAR. THIS PROBLEM IS WELL DOCUMENTED AT HTTP://WWW.MBWORLD.ORG THIS PARTICULAR FORUM IS A GREAT SOURCE FOR PROBLEMS ASSOCIATED WITH MERCEDES BENZ. IT IS CAUSED BY A $4 PIECE OF PLASTIC LOCATED INSIDE THE SHIFTER BOX THAT MOVES BACK AND FORTH TO ACTIVATE THE SOLENOID.. ONCE THE PLASTIC PIECE BREAKS IT LOCKS THE SHIFTER IN PLACE. MERCEDES COULD EASILY FIX THIS PROBLEM BY USING MORE DURABLE MATERIALS. INSTEAD, THEY CHARGE YOU UP TO $1500 TO REPLACE THE SHIFTER BOX. I KNOW BECAUSE IT HAPPENED TO ME AND SEVERAL OTHER PEOPLE I PERSONALLY KNOW. THE CAR LITERALLY CAN NOT BE MOVED AND HAS TO BE DRAGGED ON A FLAT BED TRUCK AND TAKEN TO THE REPAIR SHOP. FOR A CAR THIS EXPENSIVE, IT IS TOTALLY RIDICULOUS. *TR
SHIFTER STUCK IN PARK DUE TO THE ONLY PLASTIC PART ( SHIFTER MODULE) IN THE SHIFTER BOX. MERCEDES HEADQUARTERS TAKE NO RESPONSIBILITY FOR SUCH AN EXPENSIVE FIX WHEN PLASTIC PART BREAKS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
RE: 2003 S600 [XXX] MY RELATIVELY NEW (3000 MILES) S600 HAS A PERSISTENT PROBLEM WITH THE NEW V12 ENGINE THAT HAS NOW DEVELOPED INTO A SERIOUS SAFETY RISK FOR THE DRIVER. MY CAR HAS BEEN IN SERVICE MORE THAN 4 TIMES FOR THIS PROBLEM - IT HAS BEEN ESCALATED TO THE TECH CENTER BY MY DEALER - IT HAS NOT EVER BEEN FIXED. THE SPARK PLUGS ARE REGULARLY FOULED BY MISFIRING CYLINDERS (1,2,7,8) - THE DEALER SAYS IT MAY BE A SOFTWARE PROBLEM THAT MBUSA HAS FAILED TO FIX..AND NOW - WHEN DRIVEN AT SPEED OVER RELATIVELY MODEST BUMPS - THE CAR TOTALLY DIES AND ALL POWER IS GONE...THE SRS LIGHT COMES ON FOR A MOMENT BUT ALL STEERING ON THE CAR IS GONE AND (IF YOU ARE NOT KILLED IN THE MEANTIME) YOU NEED TO STEER THE CAR MANUALLY TO THE SIDE OF THE ROAD AS IT COASTS TO A STOP. THIS IS A DEADLY DRIVING HAZARD - MBUSA IS AWARE OF THIS PROBLEM AND PERMITTING IT TO CONTINUE...YOU HAVE FAILED TO RESPOND TO MY PRIOR WRITTEN MATERIALS INCLUDING THOSE CONTAINED IN YOUR OWN SURVEYS TO ME...THE CAR IS A LEMON AND I WANT A NEW CAR OR WE WILL BEGIN SUIT AS WELL AS STATE AND FEDERAL LEMON AND FRAUD PROCEEDINGS ..WE WILL ALSO FILE A DEMAND WITH NHTSA THAT AN IMMEDIATE RECALL BE REQUIRED OF MBUSA ON ALL S6OO CARS WITH THIS ENGINE... NOTE THIS CYLINDER PROBLEM BEGAN TO APPEAR AT 700 MILES&.IN MARCH, 2003 IT HAPPENED AGAIN IN APRIL, 2003 AT 1000 MILES IT HAS CONTINUED TO OCCUR AND HAS NEVER BEEN FIXED&. IN THE MEANTIME, THE NEW PROBLEM OF THE POWER FAILING ENTIRELY HAS BEEN HAPPENING FOR ABOUT 10 DAYS [XXX] [XXX]. *AK INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
THE ENGINE STALLED 3 TIMES. MODEL S430. *JB ON ONE OCCASION THE SPEED SUDDENLY DROPPED FROM 47-15MPH. SCC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
BAD GAS FROM SUNOCO GAS STATIONS. NEW GAS BLEND. 6 MERCEDES BENZ SERVICED FOR ALL 4 OXYGEN SENSOR BURNED OUT IN BOSTON MA. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
L/F WHEEL BENT; L/R WHEEL CRACKED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
2003 S5004MATIC BY DAIMLER CHRYSLER. AT 9000 MILES HAD REAR ROTORS WARPED BY PARKING BRAKE. AT 11000 MILES HAD FRONT ROTORS WARPED BY UNKNOWN REASONS. AT 11500 MILES SHIMMY IN STEERING WHEEL CANNOT BE FIXED. DEALER HAS TRIED TO FIX IT ON 4 OCCASIONS. UNABLE TO DO SO. *LA
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
2003 S5004MATIC BY DAIMLER CHRYSLER. AT 9000 MILES HAD REAR ROTORS WARPED BY PARKING BRAKE. AT 11000 MILES HAD FRONT ROTORS WARPED BY UNKNOWN REASONS. AT 11500 MILES SHIMMY IN STEERING WHEEL CANNOT BE FIXED. DEALER HAS TRIED TO FIX IT ON 4 OCCASIONS. UNABLE TO DO SO. *LA
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
BAD GAS FROM SUNOCO GAS STATIONS. NEW GAS BLEND. 6 MERCEDES BENZ SERVICED FOR ALL 4 OXYGEN SENSOR BURNED OUT IN BOSTON MA. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
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.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .