1992 Mercedes Benz 500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
13 owner complaints analyzed
1 distinct recall campaigns
99,500 mi median reported failure mileage
Scope: 1992 model year. Data snapshot: . 10 complaints include usable failure mileage.
Most common problems
Electrical System:Wiring:Front Underhood is the most frequently named component, appearing in 7 of 13 complaints (53.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 10 | 76.9% |
| Engine operation | 4 | 30.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System:Wiring:Front Underhood | 7 |
| Electrical System | 4 |
| Electrical System:Ignition | 1 |
| Electrical System:Wiring | 1 |
Electrical System:Wiring:Front Underhood: 7; Electrical System: 4; Electrical System:Ignition: 1; Electrical System:Wiring: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 4 |
| 100,000 to 149,999 | 3 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 4; 100,000 to 149,999: 3; 150,000 and above: 2
75,000 to 99,999 miles has the most reports with usable mileage (4). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 1995 | 1 |
| 2002 | 1 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 2 |
| 2008 | 3 |
1995: 1; 2002: 1; 2005: 2; 2006: 4; 2007: 2; 2008: 3
Pattern summary
Electrical System:Wiring:Front Underhood leads the component reports. Electrical and battery issues appears in 10 complaint narratives. Engine operation appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10000365 · 2002-12-26 (December 26, 2002)
FAULTY WIRING IN THE ENGINE BAY. THE ENGINE WIRING HARNESS IS DISENTIGRATING FOR NO OTHER REASON THAN AGE. AS A RESULT, THE ENGINE IS STARTING TO EXIBIT STALLING ISSUES AND ROUGH RUNNING, ALSO FAULT CODES ARE PRODUCED ON THE CAR COMPUTER.
Owner-reported narrative. 100,000 miles reported. Look up ODI 10000365 at NHTSA ↗
Owner report 10136413 · 2005-09-13 (September 13, 2005)
CAR SUDDENLY LOST POWER, DROVE HOME AT VERY REDUCED SPEED. MECHANIC DIAGNOSED IT AS A FAULTY WIRING HARNESS, A COMMON DEFECT ON THIS MODEL CAR 1992 MERCEDES BENZ 500E. *JB
Owner-reported narrative. Look up ODI 10136413 at NHTSA ↗
Owner report 10182063 · 2007-02-09 (February 9, 2007)
WIRE INSULATION ON MY ENGINE WIRING HARNESS HAS DISINTEGRATED EXPOSING THE INTERNAL WIRING COMPLETELY, ESPECIALLY IN BENT AREAS. THIS IS A RESULT OF NORMAL OPERATION OF THE VEHICLE. AS THIS HAPPENS THE ENGINE RUNS WORSE, PROBLEMS ASSOCIATED INCLUDE SURGING IN IDLE, STUMBLING OF ENGINE UPON INITIAL ACCELERATION AND STALLING OR RUNNING ENGINE. THE ONLY COURSE OF ACTION IS TO REPLACE THE WIRING HARNESS WITH A "NEWLY" PURCHASED HARNESS FROM MERCEDES BENZ. THE ONLY PROBLEM WITH THAT IDEA IS I WILL BE PURCHASING A WIRING HARNESS MANUFACTURED DURI…
Owner-reported narrative. Look up ODI 10182063 at NHTSA ↗