MERCEDES-BENZ 420 · model year

1997 MERCEDES-BENZ 420

24 NHTSA complaints, 1 crash report for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1997MERCEDES-BENZ420 carries 24 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 1 fire, 2 injuries, 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 1997 420 is suspension:front:springs:coil springs with 5 filings, followed by suspension:front (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 1997 420. 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.

24
Complaints
1
Crashes
1
Fires
2
Injuries
0
Deaths

Total Complaints

24 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
SUSPENSION:FRONT:SPRINGS:COIL SPRINGS5
SUSPENSION:FRONT3
POWER TRAIN:AUTOMATIC TRANSMISSION2
SUSPENSION2
VEHICLE SPEED CONTROL1
SEAT BELTS:FRONT:ANCHORAGE1
LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK1
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY1
VISIBILITY:WINDSHIELD WIPER/WASHER1
SEAT BELTS:FRONT:RETRACTOR1
SEATS:FRONT ASSEMBLY:RECLINER1
STRUCTURE:FRAME AND MEMBERS1
SUSPENSION:FRONT:SHOCK ABSORBER1
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS1
EXTERIOR LIGHTING1

Recent Complaints

20131004SUSPENSION

WELD BROKE AND DISLODGED THE SPRINGS.. *TR

Mileage: 212,000

20120614POWER TRAIN

TL* THE CONTACT OWNS A 1997 MERCEDES BENZ E420. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, HE HEARD A LOUD POP NEAR THE FRONT PASSENGER SIDE OF THE VEHICLE. THE CONTACT PULLED THE VEHICLE OVER AND SAW THAT METAL WAS HANGING FROM UNDER THE VEHICLE. THE CONTACT STATED THE VEHICLE WAS ABLE TO BE DRIVEN BUT WAS UNSAFE AND HAD THE VEHICLE TOWED TO HIS HOME. THE VEHICLE WAS NOT TAKEN FOR INSPECTION. NEITHER THE DEALER NOR THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 140,000. THE VIN WAS UNAVAILABLE.

Mileage: 140,000

20110912SUSPENSION

I AM FILING A COMPLAINT REGARDING AFTER WARRANTY SUPPORT FOR THE ABOVE REFERENCED VEHICLE. THE SPRING SEAT DETACHED FROM THE BODY OF THE AUTOMOBILE CAUSING THE SUSPENSION TO FAIL WHILE THE VEHICLE WAS IN MOTION AT 45 MPH ON A DOWNHILL GRADE. AS THE SUSPENSION DETACHED FROM THE CAR, THE LEFT FRONT SIDE DRAGGED ON THE ROAD CAUSING THE RIGHT REAR TO SLIDE INTO THE OTHER LANE OF TRAFFIC. IMPACT FROM AN APPROACHING VEHICLE WAS NARROWLY ADVERTED. FURTHER, LARGE PIECES OF THE VEHICLE INCLUDING THE COIL SPRING WHERE LEFT IN THE ROAD CAUSING A HAZARD. MY MECHANIC AND THE FACILITY THAT REPAIRED THE VEHICLE HAS STATED THAT THIS IS A COMMON DEFECT IN THE DESIGN OF THIS VEHICLE. FURTHER, A INTERNET SEARCH REVEALS NUMEROUS COMPLAINTS OF THIS FAILURE SPECIFIC TO THIS MODEL. I HAD A DISMISSIVE CONVERSATION WITH MERCEDES BENZ USA. WHO STATED THAT THEY WOULD ONLY INVESTIGATE THE PROBLEM IF THE REPAIR WAS DONE AT AN AUTHORIZED MERCEDES BENZ DEALER. I WOULD ASK THE NTSB TO RE OPEN THIS ONGOING IS

Mileage: 163,000

20110721SUSPENSION:FRONT

I AM A VICTIM OF A DANGEROUS SAFETY DESIGN FLAW IN MY 1997 MERCEDES BENZ E420. LAST WEEK, MY WIFE WAS DRIVING THE CAR IN A STRAIGHT LINE ON A LOCAL STREET NEAR OUR HOME, WHEN THE PASSENGER SIDE COIL SPRING FLEW OUT OF THE CAR, RESULTING IN HER COMPLETELY LOSING CONTROL OF THE VEHICLE. THERE WERE NO WARNING SIGNS - NO SOUNDS, RATTLES, ETC. LUCKILY, SHE WAS DRIVING AT A SLOW SPEED OF 35MPH AND THAT THE CARS AROUND HER STOPPED, ALLOWING HER TO MANEUVER THE CAR TO THE SHOULDER OF THE ROAD. AS A RESULT, SHE AVOIDED ANY ACCIDENT AND WAS NOT HURT. THE COIL SPRINGS SUPPORT THE FULL WEIGHT OF THE CAR, AND WHEN THE SPRING FLEW OUT OF THE CAR, THE CAR COLLAPSED ONTO THE TIRE UNDER ITS OWN WEIGHT. THE WHEEL WELL RESTED ON THE TIRE AND SUPPORTED THE ENTIRE WEIGHT OF THE CAR. THE CAR BEGAN MAKING A LOUD NOISE AS A RESULT OF THE WHEEL WELL RUBBING AGAINST THE TIRE AND CAME TO AN IMMEDIATE HALT. MY WIFE COULD NOT STEER THE CAR LEFT OR RIGHT, SINCE THE WHEEL WELL PREVENTED THE TIRE FROM MAKING SUCH T

Mileage: 200,150

20090208SUSPENSION:FRONT

1997 MERCEDES E420 DRIVER'S SIDE COIL SPRING PERCH FAILURE. *TR

Mileage: 172,000

20081124FireEXTERIOR LIGHTING

HEADLIGHT WIRING HARNESS IS DISINTEGRATING, AND LOOKS IDENTICAL TO PICTURES SENT TO NHTSA BY OTHER OWNERS AND IS A FIRE HAZARD THAT IS UNDETECTABLE UNTIL SHORTS OR FIRES DEVELOP. THE INSULATION IS LITERALLY FALLING APART, AND THIS CREATES GREAT POTENTIAL FOR UNSAFE OPERATION, SHORTCIRCUITS, BREAKDOWN AND IS A POTENTIAL FIRE HAZARD. *TR

Mileage: 111,111

20080331SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

I HAVE A 1997 MERCEDES BENZ E420. THE SPRING PERCHES HAVE FAILED ON BOTH FRONT SIDES OF THIS CAR. THE DRIVE SIDE COMPLETELY SEPARATED FROM THE FRAME OF THE CAR AND HAD TO BE WELDED AND REPAIRED. I CAUGHT THE PASSENGER SIDE BEFORE ANY SERIOUS DAMAGE OCCURRED. THIS IS A KNOWN DEFECT WITH THIS AUTOMOBILE AND HAS BEEN RECALLED IN CANADA FOR THIS EXACT PROBLEM BUT NOT IN THE USA. THIS IS A KNOWN PROBLEM AND THIS CAR SHOULD BE RECALLED DUE TO THE VERY REAL PROBABILITY OF INJURY OR DEATH FROM THE FAILURE OF THIS PART. *TR

20070830SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

TL*THE CONTACT OWNS A 1997 MERCEDES BENZ 420. THE CONTACT STATED THAT THE FRONT COIL SPRING WAS CRACKED. THE FAILURE WAS NOTICED DURING A ROUTINE OIL CHANGE AT THE DEALER. THE DEALER STATED THAT NO RECALLS WERE AVAILABLE. THE CONTACT STATED THAT RUST ENCOMPASSES THE ENTIRE AREA WHERE THE COIL SPRING CRACKED. HE INSPECTED THE COIL SPRING ON THE PASSENGER SIDE AND IT TOO HAS RUST, BUT IT IS NOT AS NOTICEABLE AS THE DRIVER SIDE COIL SPRING. THE COIL SPRING WAS REPLACED AT THE COST OF $666. THE FAILURE AND CURRENT MILEAGES WERE 88,300.

Mileage: 88,300

20070125SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

TL* - ON 1/16/07 THE LEFT UPPER SUSPENSION SPRING SUPPORT SEPARATED FROM THE FRAME OF A 1997 MERCEDES BENZ 420. ON 01/02/07 THE CONTACT TOOK THE VEHICLE TO THE DEALER IN MORRISTOWN, NJ FOR A SAFETY CHECK, AND THEY DIDN'T FIND ANYTHING WRONG WITH THE SUSPENSION COIL SPRINGS. ON 01/23/07 CONTACT TOOK THE VEHICLE TO LOCAL DEALER, WHO STATED THAT THE LEFT PERCH WAS RUSTED ,AND THAT THE SUSPENSION COIL SPRINGS NEEDED TO BE REPLACED. *AK

Mileage: 107,000

20060628SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

LEFT UPPER SUSPENSION SPRING SUPPORT SEPARATED FROM THE FRAME OF THE VEHICLE. I NOTICED A SCRAPING SOUND COMING FROM THE LEFT FROM ON THE CAR. I REMOVED THE TIRE AND FOUND THAT THE SPRING SUPPORT WAS JUST ABOUT READY TO BREAK AWAY FROM THE FRAME. I WAS HORRIFIED TO THINK OF WHAT COULD OF HAPPENED IF THIS WOULD HAVE FAILED DURING HIGHWAY SPEEDS. MERCEDES BENZ OFFERED TO PAY HALF OF THE REPAIR HOWEVER, THIS IS A KNOW PROBLEM WITH THIS MODEL AND THEY SHOULD PAY FOR THE WHOLE REPAIR. THIS TYPE OF FAILURE SHOULD NEVER HAPPEN. *JB

Mileage: 150,000

20060308SUSPENSION:FRONT

DT*: THE CONTACT STATED WHILE DRIVING 45 MPH THE VEHICLE WAS RIDING ROUGH. THE VEHICLE WAS SLOWED TO 5 MPH AND THE DRIVER SIDE FRONT COIL SPRING FELL OFF. THE VEHICLE WAS TOWED TO THE DEALERSHIP. THE DEALERSHIP DETERMINED THE BRACKET THAT HELD THE COIL SPRING ONTO THE FRAME HAD DISCONNECTED CAUSING THE COIL SPRING TO FALL OFF. THE LOCAL MERCEDES BENZ DEALER STATED THEY WOULD PAY HALF OF THE REPAIR IF DONE BY THEIR BODY SHOP. THE REPAIR WAS $2600. THE CONTACT WANTED THE REPAIRS DONE LOCALLY AND OPTED FOR THE DEAL. THE CONTACT CLAIMED THAT THIS INDICATED THAT MERCEDES TOOK SOME RESPONSIBILITY FOR THIS FAILURE. *AK

Mileage: 102,000

20050823FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

I RECENTLY HAD A GAS TANK PRESSURE SENSOR REPLACED ON MY 1997 E MODEL MERCEDES. UPON INSPECTION OF THE INTERIOR OF THE GAS TANK, IT WAS DISCOVERED THAT THE RETURN LINES INSIDE THE TANK HAD BECOME DISCONNECTED WHICH COULD RESULT IN LOSS OF TANK PRESSURE, LEAKAGE, AND /OR IMPROPER EMISSION SYSTEM SENSOR READOUTS. THE TANK HAS NOT BEEN DAMAGED DUE TO MPACT SO THE DISCONNECTED LINE APPEARS TO BE A DESIGN OR ENGINEERING DEFECT. IN ADDITION, THE IMPROPER FUNCTIONING OF THE RETURN LINE EQUIPMENT WITHIN THE GAS TANK HAS A MAJOR IMPACT ON GAS MILEAGE. THE DEFECTIVE RETURN LINES REQUIRE THE REPLACEMENT OF THE TOTAL GAS TANK AS A REPAIR MEASURE AT A COST OF OVER $800. I HAVE RETAINED THE DEFECTIVE TANK. PLEASE ADVISE IF YOU NEED ANY ADDITIONAL DETAILS

Mileage: 123,000

20040824SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

WHILE VEHICLE SAT IDLING, THE RIGHT FRONT COIL SPRING SUDDENLY DETACHED FROM ITS WELDED POSITION. (NAR) *PH *CB

20040701STRUCTURE:FRAME AND MEMBERS

WHILE DRIVING 65 MPH, THE CONSUMER NOTICED THE STEERING WHEEL VIBRATING HARD. THE CONSUMER LOOKED UNDER VEHICLE AND NOTICED THE FRAME WELL WAS BROKEN. PLEASE PROVIDE FURTHER DETAILS. *JB METAL ON FRAME WELL WAS REPLACED DUE TO FATIGUE. ALSO, FRONT SHOCK ABSORBERS WERE REPLACED. VEHICLE WAS PURCHASED BY CONSUMER IN AN AUCTION. *LA

Mileage: 80,000

20040701SUSPENSION:FRONT:SHOCK ABSORBER

WHILE DRIVING 65 MPH, THE CONSUMER NOTICED THE STEERING WHEEL VIBRATING HARD. THE CONSUMER LOOKED UNDER VEHICLE AND NOTICED THE FRAME WELL WAS BROKEN. PLEASE PROVIDE FURTHER DETAILS. *JB METAL ON FRAME WELL WAS REPLACED DUE TO FATIGUE. ALSO, FRONT SHOCK ABSORBERS WERE REPLACED. VEHICLE WAS PURCHASED BY CONSUMER IN AN AUCTION. *LA

Mileage: 80,000

20010314SEATS:FRONT ASSEMBLY:RECLINER

DRIVERS SIDE SEATBACK IS STUCK IN RECLINING POSITION. CONSUMER FEELS THIS IS NOT SAFE BECAUSE CONSUMER CAN HARDLY SEE OUT WINDOW, AND THIS IS UNSAFE WAY TO DRIVE.*AK

20010117CrashSEAT BELTS:FRONT:RETRACTOR

WAS MAKING A LEFT TURN WHEN ISUZU TROOPER PASSENGER FRONT HIT PASSENGER SIDE FRONT WHEEL OF MERCEDES AND PASSENGER DOOR WITH DRIVER SIDE FRONT. DURING IMPACT, FRONT SEAT BELT ON DRIVER'S SIDE FAILED TO RESTRAIN DRIVER. ALSO, CAUSED DRIVER'S BREAST IMPLANTS TO RUPTURE. OTHER PASSENGER FAILED TO WEAR SEAT BELT. BUT, AIR BAG DEPLOYED. *AK

20000901VISIBILITY:WINDSHIELD WIPER/WASHER

WHILE DRIVING ABOUT 65 MPH IN RAINY WEATHER WINDSHIELD WIPERS WOULD NOT ACTIVATE WHEN THE SWITCH WAS TURNED ON. VEHICLE WAS TAKEN TO DEALERSHIP, WHERE THE FUSES WERE CHECKED. A CONTROL UNIT WAS REPLACED AT OWNER'S EXPENSE.DEALERSHIP OFFERED TO REPAIR UNIT FREE IF OWNER LEFET THE DEFECTED PART. *AK

19991105FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

THE GAS TANK ON MY MERCEDES BENZ E420 COLLAPSED. IT LOOKED LIKE A GIANT STEPPED ON IT. PRIOR TO THE TANK COLLAPSING THE "CHECK ENGINE" LIGHT CAME ON AND I HAD TO HAVE THE FUEL EVAPORATION SYSTEM REPAIRED. I TOOK THE CAR TO BERBERIAN EUROPEAN MOTORS (A MERCEDES BENZ DEALER) IN STOCKTON CA. FOR REPAIR. THIS FAILURE IS SUPPOSED TO BE COVERED BY MY CALIFORINA EMISSION CONTROL WARRANTY. THE MERCEDES BENZ FACTORY REP. SAID THAT THEY WERE NOT GOING TO FIX THE PROBLEM UNDER THE WARRANTY AND I HAD TO PAY FOR ALL THE REPAIRS MYSELF. MY POINT IN CONTACTING YOU IS THAT A GAS TANK THAT JUST CRUMPELS UP BY ITSELF SEEMS TO BE A SAFETY PROBLEM YOU SHOULD LOOK INTO. THE OTHER QUESTION IS, WHY IS MERCEDES BENZ NOT INTRESTED IN TAKING CARE OF THE PROBLEM UNDER THE EMISSION WARRANTY?

19990721POWER TRAIN:AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION MALFUNCTIONED. IT WOULD GET STUCK IN THE GEARS AND MAY RESULT A CRASH. PLEASE PROVIDE FURTHER INFORMATION. *AK

Compare 1997MERCEDES-BENZ420 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 1997 MERCEDES-BENZ 420 have?
The 1997 MERCEDES-BENZ 420 has 24 NHTSA complaints, 1 crashes, 1 fires, 2 injuries, and 0 deaths reported.
What are the most common problems with the 1997 MERCEDES-BENZ 420?
The most-complained component for the 1997 MERCEDES-BENZ 420 is SUSPENSION:FRONT:SPRINGS:COIL SPRINGS with 5 complaints. Other frequently reported areas include SUSPENSION:FRONT and POWER TRAIN:AUTOMATIC TRANSMISSION.
Is the 1997 MERCEDES-BENZ 420 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.