AI Damage2001 Mercedes-Benz 320: common problems
Owners of the 2001 Mercedes-Benz 320 filed 17 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 17
- involving a crash
- 1
What fails most often
- 1 Electrical system 35% of all complaints
- 2 Engine and cooling 24% of all complaints
- 3 Steering 24% of all complaints
- 4 Exterior lighting 18% of all complaints
- 5 Visibility 18% of all complaints
- 6 Air bags 12% of all complaints
- 7 Seats 12% of all complaints
- 8 Service brakes 12% of all complaints
- Electrical system: 6 complaints (35% of all).
- Engine and cooling: 4 complaints (24% of all).
- Steering: 4 complaints (24% of all).
- Exterior lighting: 3 complaints (18% of all).
- Visibility: 3 complaints (18% of all).
Symptoms owners describe
How many of the 17 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 | 6 | 0 | 0 |
| Engine and cooling | 4 | 0 | 0 |
| Steering | 4 | 0 | 0 |
| Exterior lighting | 3 | 0 | 0 |
| Visibility | 3 | 0 | 0 |
| Air bags | 2 | 0 | 0 |
| Seats | 2 | 0 | 0 |
| Service brakes | 2 | 1 | 0 |
| Fuel system | 1 | 0 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Parking brake | 1 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Seat belts | 1 | 0 | 0 |
| Suspension | 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.
Consumer was braking and vehicle failed to stop. Vehicle continued to move. Had jumped a curb and hit a home. Mercedes representative checked out vehicle and found nothing wrong with brakes.
Mercedes 2001 c 320. Power seat control module for both driver and passenger drain the battery to a extent that car can not be started up. New battery!!!!!!!!!!
One of the front headlight assembles of my 2001 mb e320 just stopped working. Upon inspection, I found that the wire insulation had vanished - simply disappeared - and there were bare wires coming in contact with each other.
My car will not start if I don't drive it for a day or longer. These modules are a defect and needs to be recalled. Fix is to disconnect seat power, which is a safety issue.
Various problems with electrical, heating and cooling, suspension, power steering, lighting, and purge valve systems. Spent 7k in last 3 years alone. Heating and cooling system was removed and reinstalled twice and still does not work right. Struts and steering system completely brakes down every 6 months.
We were on an extended trip when the "airbag off" light along with "srs" came on and stayed on. After we returned, the car was taken to the dealership for repair. They indicated that the "baby sensor" in the seat was defective and must be replaced. We do not have a baby and would not have need for this sensor.
When I went to pick my baby sitter last night around 8.30 pm, I had a flat tire on the rear wheel of my 2001 mercedes benz c320. I replaced the flat tire with the spare tire. After I replaced spare tire, the car would not move.
Faulty cup holder design which makes it easy for liquid contents to spill on the transmission/gear shifter and the computer chips below, resulting in engine stalling or failure of the electronic trransmission.
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 8,820 of 36,656 model years in the NHTSA data (top 24% most complained about).
On average one model year of the 320 has 23 complaints (10 years in the data). This year has 17, below 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.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
Other years of this model
Questions and answers
What are the most common problems with the 2001 Mercedes-Benz 320?
Owner complaints to NHTSA most often mention: electrical system, engine and cooling, steering. Total complaints: 17. The most frequent symptoms in complaint texts: steering or power steering problems (18%), won't start (12%), stalls while driving (12%).
How many service bulletins (TSB) were issued for the 2001 Mercedes-Benz 320?
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 2001 Mercedes-Benz 320 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 2001 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 2026-11-05.