AI Damage2006 Mercedes-Benz S 500: common problems
Owners of the 2006 Mercedes-Benz S 500 filed 13 complaints with NHTSA, most often about electrical system and engine. Details by component below, with sources.
Key figures
- Owner complaints
- 13
What fails most often
- 1 Electrical system 31% of all complaints
- 2 Engine 31% of all complaints
- 3 Powertrain 31% of all complaints
- 4 Suspension 15% of all complaints
- 5 Tires 15% of all complaints
- 6 Fuel/propulsion system 8% of all complaints
- 7 Steering 8% of all complaints
- 8 Vehicle speed control 8% of all complaints
- Electrical system: 4 complaints (31% of all).
- Engine: 4 complaints (31% of all).
- Powertrain: 4 complaints (31% of all).
- Suspension: 2 complaints (15% of all).
- Tires: 2 complaints (15% of all).
Symptoms owners describe
How many of the 13 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 | 4 | 0 | 0 |
| Engine | 4 | 0 | 0 |
| Powertrain | 4 | 0 | 0 |
| Suspension | 2 | 0 | 0 |
| Tires | 2 | 0 | 0 |
| Fuel/propulsion system | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Vehicle speed control | 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.
On XXX, the vehicle suddenly shut off while driving. It was not overheating. It then would not restart or crank and could not be shifted out of Park. AAA connected a jump pack, but there was no starter engagement. It required a flatbed because it is 4MATIC.
Vehicle stall - engine cut off - on highway at speed (50-55miles/hr) posing driver and passenger safety. No OBD error code or ECU error Similar incidents reported by Mercedes owners S500 model across USA As posted on Mercedes forums.
Steering locks while driving - maneuvering a turn. Stopped the car. Turn ignition off. Turn ignition on Everything works fine.
The contact stated that while driving at 50 mph, the engine stalled. The vehicle was taken to a dealer where it was diagnosed that the position sensor failed and needed to be replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 68,085.
While driving 20 mph with the brake pedal depressed, the vehicle jerked before coming to a halt. The failure recurred on numerous occasions. The vehicle was taken to a dealer where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired.
While driving the car the front end dropped making it very difficult to steer. Had to slowly move to the right lane while traffic is going 70. This could have killed me.
The engine cut off, almost before I knew what happen the engine started back running. In less than a minute it happen again. The engine cut out then started before I could do anything. The third time it cut out complete and stayed off. I was able to move the side of the road and stop and restart the car.
Went out to the car to go to the pharmacy to get my asthma meds and the car was down on the ground,totally deflated shocks. Start car and rises to height but sinks when car is off, this is a danger if driving on the highway at 55 mph, I have a wife and a young son.
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 9,846 of 36,659 model years in the NHTSA data (top 27% most complained about).
On average one model year of the S 500 has 11 complaints (16 years in the data). This year has 13, above average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Other years of this model
Questions and answers
What are the most common problems with the 2006 Mercedes-Benz S 500?
Owner complaints to NHTSA most often mention: electrical system, engine, powertrain. Total complaints: 13. The most frequent symptoms in complaint texts: stalls while driving (31%), jerking, harsh shifts (8%), won't start (8%).
How many service bulletins (TSB) were issued for the 2006 Mercedes-Benz S 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 2006 Mercedes-Benz S 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 2006 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.