MERCEDES-BENZ S430 · model year

2006 MERCEDES-BENZ S430

18 NHTSA complaints, 4 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2006MERCEDES-BENZS430 carries 18 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 4 crashes, 3 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2006 S430 is electrical system with 4 filings, followed by vehicle speed control (3) and power train:automatic transmission (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2006 S430. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

18
Complaints
4
Crashes
3
Fires
1
Injuries
0
Deaths

Total Complaints

18 filings

Crashes Reported

4 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM4
VEHICLE SPEED CONTROL3
POWER TRAIN:AUTOMATIC TRANSMISSION2
SUSPENSION2
ENGINE2
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL2
STRUCTURE1
VISIBILITY/WIPER1
ELECTRONIC STABILITY CONTROL (ESC)1

Recent Complaints

20181217ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ S430. WHILE DRIVING 40 MPH, THE VEHICLE STARTED TO JERK AND ALL THE WARNING INDICATORS ILLUMINATED AND FLICKERED ON THE INSTRUMENT PANEL. THE CONTACT DROVE THE VEHICLE HOME AND IT STALLED. THE VEHICLE FAILED TO RESTART AND THE KEY FAILED TO RELEASE FROM THE IGNITION SWITCH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE A DIAGNOSTIC TEST WAS COMPLETED, BUT NO FAILURE CODE WAS FOUND. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 134,000.

Mileage: 134,000

20181217ENGINE

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ S430. WHILE DRIVING 40 MPH, THE VEHICLE STARTED TO JERK AND ALL THE WARNING INDICATORS ILLUMINATED AND FLICKERED ON THE INSTRUMENT PANEL. THE CONTACT DROVE THE VEHICLE HOME AND IT STALLED. THE VEHICLE FAILED TO RESTART AND THE KEY FAILED TO RELEASE FROM THE IGNITION SWITCH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE A DIAGNOSTIC TEST WAS COMPLETED, BUT NO FAILURE CODE WAS FOUND. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 134,000.

Mileage: 134,000

20180828ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

2006 MERCEDES BENZ S 430. CONSUMER STATES THAT INSTRUMENT PANEL IN VEHICLE WENT OUT. *LD THE CONSUMER STATED THE MANUFACTURER REFUSED TO HONOR THE RECALL DUE TO THE VEHICLE'S AGE.*JS

20170720ELECTRONIC STABILITY CONTROL (ESC)

MY DOOR LOCK WOULD NOT WORK, COULD NOT EVEN MANUALLY OPEN THEM FROM THE CONSOLE. TOOK IT IN TO BE REPAIRED, WAS TOLD THAT THE ACTUATOR HAD FRIED AND MELTED THE UNIT. IT WAS REPLACED AND WITHIN SEVERAL WEEKS THE "NEW ACTUATOR " ALSO FRIED. WAS TOLD THAT THE COMPUTER SYSTEM WOULD SHUT IT DOWN BUT THE UNIT CONTINUES TO RUN EVEN WHEN THE CAR WAS TURNED OFF! WITH THE UNIT BEING IN THE TRUNK IT'S A MIRACLE THAT THE CAR DID NOT CATCH ON FIRE. IN ORDER TO REPAIR THIS UNIT, AND HOPEFULLY THEY MUST REMOVE ALL DOORS HEAD REST AND SEATS CHECK ALL VACUUM LINES TO FIND OUT WHICH ONE IS LEAKING, AND OR REPLACE ALL VACUUM LINES, AND PRAY THAT WORKS, THE MINIMUM COST OF THIS IS OVER $5000.00 DOLLARS! NOT ONLY IS THIS A FIRE HAZARD WAITING TO BLOW UP, NOT BEING ABLE TO LOCK OR UNLOCK YOUR DOORS. THE DEALERSHIP SHOULD BE RESPONSIBLE TO REPAIR THIS SHORTY/ I'LL BUILT PART! BEFORE SOMEONE IS HURT OR KILLED BY THIS UNIT. ALSO AS I WAS DRIVING DOWN THE ROAD MY RIGHT STRUT ASSEMBLY BROKE. I LOOKED UP REC

Mileage: 91,000

20170720SUSPENSION

MY DOOR LOCK WOULD NOT WORK, COULD NOT EVEN MANUALLY OPEN THEM FROM THE CONSOLE. TOOK IT IN TO BE REPAIRED, WAS TOLD THAT THE ACTUATOR HAD FRIED AND MELTED THE UNIT. IT WAS REPLACED AND WITHIN SEVERAL WEEKS THE "NEW ACTUATOR " ALSO FRIED. WAS TOLD THAT THE COMPUTER SYSTEM WOULD SHUT IT DOWN BUT THE UNIT CONTINUES TO RUN EVEN WHEN THE CAR WAS TURNED OFF! WITH THE UNIT BEING IN THE TRUNK IT'S A MIRACLE THAT THE CAR DID NOT CATCH ON FIRE. IN ORDER TO REPAIR THIS UNIT, AND HOPEFULLY THEY MUST REMOVE ALL DOORS HEAD REST AND SEATS CHECK ALL VACUUM LINES TO FIND OUT WHICH ONE IS LEAKING, AND OR REPLACE ALL VACUUM LINES, AND PRAY THAT WORKS, THE MINIMUM COST OF THIS IS OVER $5000.00 DOLLARS! NOT ONLY IS THIS A FIRE HAZARD WAITING TO BLOW UP, NOT BEING ABLE TO LOCK OR UNLOCK YOUR DOORS. THE DEALERSHIP SHOULD BE RESPONSIBLE TO REPAIR THIS SHORTY/ I'LL BUILT PART! BEFORE SOMEONE IS HURT OR KILLED BY THIS UNIT. ALSO AS I WAS DRIVING DOWN THE ROAD MY RIGHT STRUT ASSEMBLY BROKE. I LOOKED UP REC

Mileage: 91,000

20160803ELECTRICAL SYSTEM

DO NOT BUY THESE SPEC-D HEADLAMP FOR 2006 S-430 AFTER 6 MONTHS IT WENT DEFECTIVE I BOUGHT THEM FROM CARID IN NOVEMBER 2015 JUNE/JULY 2016 THEY WENT COMPLETELY DEAD SEE PICTURE BELOW

20160728ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ S430. WHILE DRIVING APPROXIMATELY 40 MPH, THE INSTRUMENT PANEL FAILED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DETERMINED THAT THE INSTRUMENT PANEL CLUSTER FAILED, BUT WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 06V028000 (INTERIOR LIGHTING). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

20140204FireENGINE

ENGINE COMPARTMENT FIRE IN 2006 S430 MERCEDES-BENZ ? JANUARY 16, 2014 AS I ACCELERATED TO GET ON THE ROAD, I SMELLED A STRANGE ODOR. I THOUGHT IT WAS COMING FROM A TRUCK WE PASSED. I OPENED THE WINDOW & TURNED OFF THE HEATER TO CLEAR THE AIR IN THE CAR. IN A FEW SECONDS, I CLOSED THE WINDOW AND RE-STARTED THE HEATER, WHICH IMMEDIATELY FILLED THE CABIN WITH HEAVY SMOKE. I AGAIN STOPPED THE HEATER AND OPENED THE WINDOW. THE SMOKE CLEARED AND SMELLED SOMETHING BURNING. A FEW SECONDS LATER, I SAW FLAMES COMING RIGHT OUT OF THE AIR DUCT GRILL IN THE HOOD. I PULLED OFF I-275 BETWEEN EXITS 63 AND 65, ON THE RIGHT SHOULDER. I THEN HIT THE MERCEDES SOS BUTTON. MY PASSENGER DIALED 911. WHEN THE MBRACE OPERATOR CAME ON THE LINE, I SAID THAT I HAD AN ENGINE FIRE, BUT THE CABIN WAS FILLING WITH SMOKE. I OPENED THE HOOD, I GRABBED MY PHONE AND EXITED THE CAR. AT THIS POINT, STARTED TAKING PHOTOS. I TOOK A WINDSHIELD CLEANER SPRAY FROM THE TRUNK, TRIED TO EXTINGUISH THE FIRE WITH

Mileage: 131,388

20140204FireELECTRICAL SYSTEM

ENGINE COMPARTMENT FIRE IN 2006 S430 MERCEDES-BENZ ? JANUARY 16, 2014 AS I ACCELERATED TO GET ON THE ROAD, I SMELLED A STRANGE ODOR. I THOUGHT IT WAS COMING FROM A TRUCK WE PASSED. I OPENED THE WINDOW & TURNED OFF THE HEATER TO CLEAR THE AIR IN THE CAR. IN A FEW SECONDS, I CLOSED THE WINDOW AND RE-STARTED THE HEATER, WHICH IMMEDIATELY FILLED THE CABIN WITH HEAVY SMOKE. I AGAIN STOPPED THE HEATER AND OPENED THE WINDOW. THE SMOKE CLEARED AND SMELLED SOMETHING BURNING. A FEW SECONDS LATER, I SAW FLAMES COMING RIGHT OUT OF THE AIR DUCT GRILL IN THE HOOD. I PULLED OFF I-275 BETWEEN EXITS 63 AND 65, ON THE RIGHT SHOULDER. I THEN HIT THE MERCEDES SOS BUTTON. MY PASSENGER DIALED 911. WHEN THE MBRACE OPERATOR CAME ON THE LINE, I SAID THAT I HAD AN ENGINE FIRE, BUT THE CABIN WAS FILLING WITH SMOKE. I OPENED THE HOOD, I GRABBED MY PHONE AND EXITED THE CAR. AT THIS POINT, STARTED TAKING PHOTOS. I TOOK A WINDSHIELD CLEANER SPRAY FROM THE TRUNK, TRIED TO EXTINGUISH THE FIRE WITH

Mileage: 131,388

20140204FireVISIBILITY/WIPER

ENGINE COMPARTMENT FIRE IN 2006 S430 MERCEDES-BENZ ? JANUARY 16, 2014 AS I ACCELERATED TO GET ON THE ROAD, I SMELLED A STRANGE ODOR. I THOUGHT IT WAS COMING FROM A TRUCK WE PASSED. I OPENED THE WINDOW & TURNED OFF THE HEATER TO CLEAR THE AIR IN THE CAR. IN A FEW SECONDS, I CLOSED THE WINDOW AND RE-STARTED THE HEATER, WHICH IMMEDIATELY FILLED THE CABIN WITH HEAVY SMOKE. I AGAIN STOPPED THE HEATER AND OPENED THE WINDOW. THE SMOKE CLEARED AND SMELLED SOMETHING BURNING. A FEW SECONDS LATER, I SAW FLAMES COMING RIGHT OUT OF THE AIR DUCT GRILL IN THE HOOD. I PULLED OFF I-275 BETWEEN EXITS 63 AND 65, ON THE RIGHT SHOULDER. I THEN HIT THE MERCEDES SOS BUTTON. MY PASSENGER DIALED 911. WHEN THE MBRACE OPERATOR CAME ON THE LINE, I SAID THAT I HAD AN ENGINE FIRE, BUT THE CABIN WAS FILLING WITH SMOKE. I OPENED THE HOOD, I GRABBED MY PHONE AND EXITED THE CAR. AT THIS POINT, STARTED TAKING PHOTOS. I TOOK A WINDSHIELD CLEANER SPRAY FROM THE TRUNK, TRIED TO EXTINGUISH THE FIRE WITH

Mileage: 131,388

20121031ELECTRICAL SYSTEM

WE HAVE BEEN RECEIVING MESSAGES FOR THINGS HAPPENING IN CAR ( EX LIGHT OUT TRUNK WON'T OPEN ETC.) WE HAVE BEEN TOLD THAT IT IS A WIRING HARNESS PROBLEM. THEY ARE WELL AWARE OF THE PROBLEM IN THE CARS BUT HAVE NOT TURNED IT IN AS A RECALL. *TR

Mileage: 87,597

20121031STRUCTURE

WE HAVE BEEN RECEIVING MESSAGES FOR THINGS HAPPENING IN CAR ( EX LIGHT OUT TRUNK WON'T OPEN ETC.) WE HAVE BEEN TOLD THAT IT IS A WIRING HARNESS PROBLEM. THEY ARE WELL AWARE OF THE PROBLEM IN THE CARS BUT HAVE NOT TURNED IT IN AS A RECALL. *TR

Mileage: 87,597

20121014SUSPENSION

THE "AIRMATICS-VISIT WORKSHOP" WORDING CAME ON MY SCREEN YESTERDAY ON THE HIGHWAY. HITTING THE UNLOCK BUTTON KICKED ON SUSPENSION AS IT SHOULD AND IT WAS SPUTTERING INSTEAD OF THE USUAL RAISE NOISE. IT SAT OVERNIGHT AND NOW IT SITTING PRETTY LOW. THIS IS THE 2ND TIME IN 6 MONTHS THE AIR COMPRESSOR HAS GONE OUT. *TR

20100311CrashPOWER TRAIN:AUTOMATIC TRANSMISSION

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ S430. THE CONTACT WAS DRIVING APPROXIMATELY 60 MPH. A SUDDEN INCREASE IN ACCELERATION OCCURRED WITHOUT WARNING. THE VEHICLE SLOWED DOWN AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION. THE TECHNICIAN STATED THAT THE DEFECT COULD POSSIBLY BE TRANSMISSION GEAR FAILURE. CURRENTLY, THE VEHICLE IS UNDER INVESTIGATION BY THE MANUFACTURERS ENGINEERS. THE CAUSE OF FAILURE HAS NOT BEEN DETERMINED AT THIS TIME. THE FAILURE MILEAGE WAS 113,000. UPDATED 04/16/10. *LJ UPDATED 4/23/10 *CN THE CONSUMER STATED HIS WIFE HAD AN ACCIDENT IN THE VEHICLE. THE DEALERSHIP ADMITTED THERE WAS AN ACCELERATION AND HARSH SHIFTING PROBLEM. UPDATED 05/12/10.*JB UPDATED 06/24/10.*JB UPDATED 09/07/10*JB

Mileage: 113,000

20100311CrashVEHICLE SPEED CONTROL

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ S430. THE CONTACT WAS DRIVING APPROXIMATELY 60 MPH. A SUDDEN INCREASE IN ACCELERATION OCCURRED WITHOUT WARNING. THE VEHICLE SLOWED DOWN AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION. THE TECHNICIAN STATED THAT THE DEFECT COULD POSSIBLY BE TRANSMISSION GEAR FAILURE. CURRENTLY, THE VEHICLE IS UNDER INVESTIGATION BY THE MANUFACTURERS ENGINEERS. THE CAUSE OF FAILURE HAS NOT BEEN DETERMINED AT THIS TIME. THE FAILURE MILEAGE WAS 113,000. UPDATED 04/16/10. *LJ UPDATED 4/23/10 *CN THE CONSUMER STATED HIS WIFE HAD AN ACCIDENT IN THE VEHICLE. THE DEALERSHIP ADMITTED THERE WAS AN ACCELERATION AND HARSH SHIFTING PROBLEM. UPDATED 05/12/10.*JB UPDATED 06/24/10.*JB UPDATED 09/07/10*JB

Mileage: 113,000

20100305CrashVEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2006 MERCEDES BENZ S430. THE CONTACT STATED THAT THE VEHICLE SUDDENLY ACCELERATED ON ITS OWN 1-2 TIMES A WEEK. IT WAS AN INTERMITTENT PROBLEM THAT RESULTED IN ANOTHER DRIVER DRIVING THE VEHICLE RUNNING INTO A BUILDING; THE DRIVER WAS PARKING AND WHILE COASTING, THE VEHICLE SUDDENLY LUNGED FORWARD AND ACCELERATED. THE DRIVER WAS SLIGHTLY INJURED. A POLICE REPORT WAS TAKEN. THE VEHICLE WAS TAKEN TO THE DEALERSHIP THREE TIMES AND THE DEALER TOLD HIM THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 140,000. THE FAILURE MILEAGE WAS APPROXIMATELY 90,000- UPDATED 4/23/10 *CN

Mileage: 90,000

20091207CrashVEHICLE SPEED CONTROL

AS YOU SLOW DOWN TO BRAKE THE CAR ACCELERATES ON ITS OWN CAUSING IT TO HIT A BUILDING. *TR

Mileage: 112,601

20070416POWER TRAIN:AUTOMATIC TRANSMISSION

AFTER 2000 MILES THE CAR WAS IN REVERSE AND ALL OF A SUDDEN THERE WAS A LOUD BANG AND THEN ANOTHER LOUD BANG AND THE CAR LURCHED FORWARD. THEN WE WERE DRIVING ON A HIGHWAY AT 60 MPH AND THE SAME THING HAPPENED ONLY THE BANGS WERE LOUDER AND THE CAR LURCHED FORWARD. THE NEXT TIME THIS HAPPENED I WAS DRIVING DOWN A STREET AT 25 MPH AND A CAR IN FRONT OF ME WAS MAKING A TURN, THE BANGS STARTED AND THERE WAS THE SAME LOUD BANGING NOISES AND I ALMOST HIT THE CAR IN FRONT OF ME AND HAD TO SWERVE OUT OF THE WAY OF THE CAR AND ALMOST ENDED UP OFF OF ROAD AND IN THE DIRT. WE TOOK THE CAR BACK 3 TIMES WITH NO RESULTS. MERCEDES WAS CALLED, AND THEY COULD CARE LESS. WE ARE STUCK WITH A VERY EXPENSIVE DANGEROUS CAR THAT THERE IS NO WAY OF PREDICTING WHEN THIS WILL HAPPEN AND IT IS NOT SHOWING UP ON THE COMPUTER, SO MERCEDES HAS NO WAY OF FIXING THE PROBLEM. THE DEALER WANTS TO DRIVE THE AROUND WITH MY HUSBAND BUT WE EXPLAINED THAT TO DRIVE THIS CAR FOR 5-10 MILE OR EVEN 100 MILES IT IS NOT GOING TO

Mileage: 2,000

Compare 2006MERCEDES-BENZS430 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 2006 MERCEDES-BENZ S430 have?
The 2006 MERCEDES-BENZ S430 has 18 NHTSA complaints, 4 crashes, 3 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 2006 MERCEDES-BENZ S430?
The most-complained component for the 2006 MERCEDES-BENZ S430 is ELECTRICAL SYSTEM with 4 complaints. Other frequently reported areas include VEHICLE SPEED CONTROL and POWER TRAIN:AUTOMATIC TRANSMISSION.
Is the 2006 MERCEDES-BENZ S430 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.