AI Damage1992 Mercedes-Benz 500: common problems
Owners of the 1992 Mercedes-Benz 500 filed 15 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 15
What fails most often
- 1 Electrical system 87% of all complaints
- 2 Engine and cooling 13% of all complaints
- 3 Equipment 7% of all complaints
- 4 Seats 7% of all complaints
- 5 Visibility 7% of all complaints
- Electrical system: 13 complaints (87% of all).
- Engine and cooling: 2 complaints (13% of all).
- Equipment: 1 complaints (7% of all).
- Seats: 1 complaints (7% of all).
- Visibility: 1 complaints (7% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 5 L · petrol · 8 cyl
- 5.6 L · petrol · 8 cyl
- automatic, 4-speed
Drive: RWD
Symptoms owners describe
How many of the 15 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 13 | 0 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Seats | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Main engine/fuel injection electrical wiring harness, has cracked insulation throughout the engine wiring harness and is disintegrating causing wires to rub together and beginning to experience problems with the risk of causing dangerous engine malfunctions to include fire inside engine compartment.
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 engine / fuel injection wiring harness, and starter/alternator wiring harness of my 1992 mercedes-benz 500e (61,000 miles), has cracked insulation throughout and is beginning to short out with the risk of causing dangerous engine malfunction and even fire inside my engine compartment.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 9,288 of 36,659 model years in the NHTSA data (top 25% most complained about).
On average one model year of the 500 has 7 complaints (14 years in the data). This year has 15, above average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Seats. Occupant sensor, power adjustment, seat mounts.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
Other years of this model
Questions and answers
What are the most common problems with the 1992 Mercedes-Benz 500?
Owner complaints to NHTSA most often mention: electrical system, engine and cooling, equipment. Total complaints: 15. The most frequent symptoms in complaint texts: smoke, burning smell, fire (27%), stalls while driving (27%), loss of power / limp mode (13%).
How many service bulletins (TSB) were issued for the 1992 Mercedes-Benz 500?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1992 Mercedes-Benz 500 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1992 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.