IllustrationMY 1997 MERCEDES BENZ E420 WENT IN TO LIMP MODE WITH NO WARNING WHILE MERGING ON TO 65 MPH TRAFFIC, ALMOST CAUSING AN ACCIDENT. IT FAILED TO SHIFT WITH NO WARNING
1997 Mercedes Benz E420
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all E420 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
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When problems were reported
Mileage at the reported incident
Limited mileage data: 4 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
Electrical System complaints
4 reportsTL* THE CONTACT OWNS A 1997 MERCEDES BENZ E420. AFTER STOPPING, THE VEHICLE FAILED TO SHIFT OUT OF LOW GEAR. IN ADDITION, WHEN THE VEHICLE WAS STARTED, THE RADIO FAILED TO OPERATE AND THE DOORS FAILED TO LOCK. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 13…
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TL* THE CONTACT OWNS A 1997 MERCEDES BENZ E420. AFTER STOPPING, THE VEHICLE FAILED TO SHIFT OUT OF LOW GEAR. IN ADDITION, WHEN THE VEHICLE WAS STARTED, THE RADIO FAILED TO OPERATE AND THE DOORS FAILED TO LOCK. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 135,000. UPDATED 3/17/15*CN UPDATED 8/18/2015 *JS
THE MERCEDES BENZ E-420 ELECTRICAL WIRING WAS MANUFACTURED FROM BIODEGRADABLE MATERIALS. AFTER SEVERAL YEARS THE INSULATION ON THE WIRING HARNESS BEGAN TO DETERIORATE AND FAIL. THIS LEAD TO A CYCLE OF INCREASINGLY SEVERE ELECTRICAL PROBLEMS ALSO LEAD TO THE SAFETY ON FREEWAY WHERE THE OTHER DRIVER CAN NOT SEE MY BRAKE LIGHTS WHE…
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THE MERCEDES BENZ E-420 ELECTRICAL WIRING WAS MANUFACTURED FROM BIODEGRADABLE MATERIALS. AFTER SEVERAL YEARS THE INSULATION ON THE WIRING HARNESS BEGAN TO DETERIORATE AND FAIL. THIS LEAD TO A CYCLE OF INCREASINGLY SEVERE ELECTRICAL PROBLEMS ALSO LEAD TO THE SAFETY ON FREEWAY WHERE THE OTHER DRIVER CAN NOT SEE MY BRAKE LIGHTS WHEN I AM BRAKING DUE TO THIS WIRING ISSUE. *TR
COCKPIT SMELT LIKE SMOKE, BECAME HARD TO SEE. PULLED OVER AND TURNED THE ENGINE OFF. VERY SCARY. IS THERE A RECALL ON THIS ISSUES? *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.