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1994 Mercedes Benz S Class

Owner reports · Recalls · Investigations

Limited comparison data

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

About this comparison →
12Owner complaints

Model-year median: 10.5

0Recall campaigns

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0Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
12
199427
19956
19962
1997
Compare all S Class years →

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

What owners reported most

Electrical System
12Suspension
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: 10 of 12 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 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. 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 reports0 fire reports0 injury reports

Electrical System complaints

12 reports
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133,000 miles · Jan 3, 2007
Electrical System

ENGINE WIRING HARNESS FAILURE, DETERIORATION DUE TO SUBSTANDARD WIRING INSULATION FOR ENGINE ENVIRONMENT (HEAT, ETC). WIRING SUBSTANDARD WHEN CONSIDERING THE ORIGINAL EXPENSE FOR THESE "QUALITY VEHICLES". MERCEDES SHOULD GOODWILL THE EXPENSE FOR HARNESS REPLACEMENTS AND STAND UP FOR THEIR PRODUCTS! ALTHOUGH THIS "LUXURY" MERCEDE…

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ENGINE WIRING HARNESS FAILURE, DETERIORATION DUE TO SUBSTANDARD WIRING INSULATION FOR ENGINE ENVIRONMENT (HEAT, ETC). WIRING SUBSTANDARD WHEN CONSIDERING THE ORIGINAL EXPENSE FOR THESE "QUALITY VEHICLES". MERCEDES SHOULD GOODWILL THE EXPENSE FOR HARNESS REPLACEMENTS AND STAND UP FOR THEIR PRODUCTS! ALTHOUGH THIS "LUXURY" MERCEDES IS A 1994 S-420, IT IS ""AS NEW" AND HAS ALWAYS BEEN MERCEDES"PROFESSIONALLY MAINTAINED! THE MERCEDES ENGINEER'S LET US (THE CONSUMERS) DOWN! *NM

NHTSA ODI #10177675

129,500 miles · Jun 8, 2006
Electrical System

ENGINE HARNESS, BODY HARNESS AND MASS AIR SENSOR FAILED DUE TO DETERIOATION OF WIRING HARNESS. *JB

NHTSA ODI #10159330

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.