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1994 Mercedes Benz 420

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
16Owner complaints

Model-year median: 3

0Recall campaigns

View recall details →

0Investigations

View investigation details →

How this year compares

Owner complaints by model year

Other model years Selected year
4
199116
199415
19951
199622
1997
Compare all 420 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Electrical System
5Service Brakes, Hydraulic
4Child Seat
3Air Bags
1Engine And Engine Cooling
1
All reported categories
Seats
1Unknown Or Other
1Vehicle Speed Control
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 6 of 16 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 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Child Seat. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports0 injury reports

Engine And Engine Cooling complaints

1 reports
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65,000 miles · Apr 28, 2007
Engine And Engine Cooling

I GOT 94 E420 BENZ WITH DEFECT ENGINE WIRING HARNESS. THEY ARE CRACKING. THE IDLE IS ROUGH AND I GOT ENGINE CODE ERRORS. ONE TIME THE ENGINE FAILED ON THE SURFACE STREET. IT WAS LUCKY THERE WAS NO CAR BEHIND ME AT THAT TIME. MY MECHANIC TOLD ME THAT ALL MERCEDES MODELS FROM 91-96 HAVE THIS PROBLEM. THAT WAS SO SAD THAT NO ON…

Read full complaint

I GOT 94 E420 BENZ WITH DEFECT ENGINE WIRING HARNESS. THEY ARE CRACKING. THE IDLE IS ROUGH AND I GOT ENGINE CODE ERRORS. ONE TIME THE ENGINE FAILED ON THE SURFACE STREET. IT WAS LUCKY THERE WAS NO CAR BEHIND ME AT THAT TIME. MY MECHANIC TOLD ME THAT ALL MERCEDES MODELS FROM 91-96 HAVE THIS PROBLEM. THAT WAS SO SAD THAT NO ONE HAS TAKEN ACTION AGAINST THE FACTORY. *TR

NHTSA ODI #10189151

Official recalls

0

No 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

0

No exact-year investigations in this snapshot.