There are 4 owner-reported powertrain & transmission complaints for the 2003 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE GEAR SHIFTER SEIZED AND WAS UNABLE TO MOVE TO ANOTHER GEAR. THE CONTACT HAD TO PULL AND JERK THE SHIFTER IN ORDER FOR IT TO MOVE INTO ANOTHER GEAR. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE GEAR SHIFTER NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 58,000.
WHEN I START S55 AMG AFTER THE CAR HAD BEEN SITTING OVER NIGHT, I FIND DIFFICULT TO MOVE THE GEAR LEVER FROM P TO R; AFTER A FEW TRIES ONLY IT MOVES FROM PARK POSITION TO REVERSE. THIS PROBLEM DOES NOT APPEAR AFTER DRIVING, UNTIL THE NEXT DAY. NOW I AM SCARED TO DRIVE MY CAR THINKING I'LL GET STUCK WITH THIS GEAR LEVER MOVING PROBLEM, OR SOME UNFORESEEN ACCIDENT MAY OCCUR AS A RESULT GEAR GETTING STUCK. ON GOOGLE SEARCH, I READ SEVERAL MERCEDES OWNERS COMPLAINING ON THIS MATTER, STUCK-PARK-PROBLEM. FEDERAL SAFETY STANDARD REQUIRES YOU TO PRESS ON THE BRAKE TO SHIFT THE CAR OUT OF PARK. IT IS PROBABLY LEFT OVER FROM THE AUDI "UNINTENDED ACCELERATION" DAYS, BUT IT IS HERE IN MY MERCEDES BENZ. ADDING TO THE COMPLICATION IS THE FACT THAT THE SHIFTER IS SUPPOSED TO REMAIN LOCKED IN PARK UNLESS THE PROPER KEY IS IN THE IGNITION. I AM HAVING A HARD TIME GETTING MY CAR OUT OF PARK FROM TIME. ACCORDING TO GOOGLE SEARCH THIS HAPPENS DUE TO A CHEAP PLASTIC BRACKET INSTALLED BY MERCEDES TO LOCK THE GEAR IN PARK POSITION, EITHER BROKEN OR DETERIORATION. THOUGH THIS HAS BEEN HAPPENING SINCE ABOUT 2001 & OWNERS HAVE BEEN COMPLAINING, MERCEDES HAS NOT VOLUNTARILY FIXED THE PROBLEM. DEALER MAY CHARGE CLOSE TO $1,200 TO FIX THIS MANUFACTURING DEFECT; I HAVE ALREADY SPENT $238.05 ABOUT A WEEK AGO FOR DEALER TO REPLACED AND FIX TRANSMISSION ELECTRICAL BUSHING LEAKS, THINKING IT WOULD FIX MY GEAR SHIFT PROBLEM. UNFORTUNATELY, IT HAD NOT FIXED MY PROBLEM. I APPRECIATE VERY MUCH IF YOUR AGENCY TAKE APPROPRIATE ACTION TO GET MERCEDES TO RECALL THEIR VEHICLES AND FIX FREE. I THINK THIS PROBLEM IS VERY SIMILAR TO THE GM'S IGNITION SWITCH PROBLEM, AND IS UNSAFE TO DRIVE A CAR WITH THIS KIND OF PROBLEM. *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
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
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 26, 2026