Mercedes Benz 124 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
10 owner complaints analyzed
2 distinct recall campaigns
100,000 mi median reported failure mileage
Scope: 1992 to 2001 model years. Data snapshot: . 7 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 3 of 10 complaints (30.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 3 | 30.0% |
| Transmission and shifting | 1 | 10.0% |
| Engine operation | 1 | 10.0% |
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 | 3 |
| Engine | 2 |
| Electrical System:Wiring:Front Underhood | 1 |
| Engine And Engine Cooling | 1 |
| Engine And Engine Cooling:Engine:Gasoline | 1 |
| Fuel/Propulsion System | 1 |
| Seats | 1 |
| Suspension | 1 |
Electrical System: 3; Engine: 2; Electrical System:Wiring:Front Underhood: 1; Engine And Engine Cooling: 1; Engine And Engine Cooling:Engine:Gasoline: 1; Fuel/Propulsion System: 1; Seats: 1; Suspension: 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 | 1 |
| 100,000 to 149,999 | 4 |
| 150,000 and above | 1 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 4; 150,000 and above: 1
100,000 to 149,999 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 |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2005 | 1 |
| 2010 | 1 |
| 2012 | 5 |
| 2013 | 1 |
2001: 1; 2002: 1; 2005: 1; 2010: 1; 2012: 5; 2013: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 3 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Engine operation appears in 1 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 10143995 · 2005-11-30 (November 30, 2005)
UPPER ENGINE WIRING HARNESS (MB PART# A 124 440 19 06) INSULATION CRACKED IN MANY PLACES. IT DECOMPOSED/DETERIORATED SO BADLY IT EFFECTED ADDITIONAL ENGINE COMPONENTS. ENGINE STALLED MANY TIME WHILE IN TRAFFIC. HARNESS WAS REPLACES ON 04-21-2005 AND CAR REQUIRED ADDITIONAL MAINTENANCE FROM MERCEDES DEALER SHIP DUE TO ECU PROBLEMS AND STILL ONGOING PROBLEMS WITH ASR (ANTI SKID CONTROL) PROBLEMS. *JB
Owner-reported narrative. 100,000 miles reported. Look up ODI 10143995 at NHTSA ↗
Owner report 10447044 · 2012-02-07 (February 7, 2012)
THE CHECK ENGINE LIGHT CAME ON. THE DEALER, AFTER DIAGNOSING THE PROBLEM, SAID THAT A CODE INDICATING THAT THE TEMPERATURE SENSOR WAS FAULTY HOWEVER THEY DETERMINED THAT THE WIRING HARNESS WAS DETERIORATED AND NEEDED TO BE REPLACED BECAUSE "THIS YEAR CAR WAS DESIGNED WITH A HARNESS THAT WAS BIODEGRADABLE." THE INSULATION HAS BEGUN TO CRUMBLE REQUIRING A NEW HARNESS. THE PART IS ABOUT $1100 PLUS LABOR FOR INSTALLATION. *TR
Owner-reported narrative. 84,013 miles reported. Look up ODI 10447044 at NHTSA ↗
Owner report 10456650 · 2012-04-27 (April 27, 2012)
ENGINE WIRING HARNESS INSULATION HAS DISINTEGRATED, CRACKED AND FLAKED OFF OF THE WIRES EXPOSING SIGNIFICANT AMOUNTS OF BARE COPPER INCLUDING CONNECTIONS TO THE GLOW PLUG RELAY AND EVERY CONNECTOR DIRECTLY ATTACHING TO AN ENGINE COMPONENT. REMOVAL OF THE WIRING HARNESS SHOWS CRACKING AND DISINTEGRATION IF THE HARNESS INSULATION THROUGHOUT THE ENTIRE LENGTH OF THE HARNESS. WAS CAUSING INSTRUMENTATION MALFUNCTIONS IN GLOW PLUG CIRCUITS. SIGNIFICANT EXPOSED POWER WIRE COPPER WOULD GROUND THE SYSTEM OUT IF EVEN A SLIGHT SHIFTING OF THE HARNESS TOO…
Owner-reported narrative. Look up ODI 10456650 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 2001 | 0 |
1992: 2; 1993: 2; 1994: 1; 1995: 1; 2001: 0