AI Damage2009 Mercedes-Benz S63: common problems
Owners of the 2009 Mercedes-Benz S63 filed 3 complaints with NHTSA, most often about electrical system and engine. Details by component below, with sources.
Key figures
- Owner complaints
- 3
- involving a crash
- 1
What fails most often
- 1 Electrical system 33% of all complaints
- 2 Engine 33% of all complaints
- 3 Fuel system 33% of all complaints
- 4 Service brakes 33% of all complaints
- 5 Steering 33% of all complaints
- 6 Suspension 33% of all complaints
- Electrical system: 1 complaints (33% of all).
- Engine: 1 complaints (33% of all).
- Fuel system: 1 complaints (33% of all).
- Service brakes: 1 complaints (33% of all), 1 of them with a crash reported by the owner.
- Steering: 1 complaints (33% of all), 1 of them with a crash reported by the owner.
Symptoms owners describe
How many of the 3 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 | 1 | 0 | 0 |
| Engine | 1 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Service brakes | 1 | 1 | 0 |
| Steering | 1 | 1 | 0 |
| Suspension | 1 | 1 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
I was driving car and a warning light showed abs, steering, suspension malfunction, refer to operators manual. Approximately 3 minutes after the light showed, I put my foot on the brake, the cars brakes locked up, the steering would not work and the car swerved across the road into oncoming traffic and I ended up in a…
The contact stated while driving 60 mph, a bystander informed her under the vehicle was on fire. The contact was able to park on side of the road. The contact stated she was unable to open the front driver side door.
The vehicle was taken to the dealer for diagnosis where the contact was advised that the fuel pump was fractured and needed to be replaced along with the rear passenger's side sending unit. The manufacturer was notified of the failure. The vehicle was not repaired.
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 17,152 of 36,659 model years in the NHTSA data (top 47% most complained about).
On average one model year of the S63 has 2 complaints (9 years in the data). This year has 3, 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.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 2009 Mercedes-Benz S63?
Owner complaints to NHTSA most often mention: electrical system, engine, fuel system. Total complaints: 3. The most frequent symptoms in complaint texts: warning lights, check engine (67%), fuel system, fuel smell (33%), smoke, burning smell, fire (33%).
How many service bulletins (TSB) were issued for the 2009 Mercedes-Benz S63?
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 2009 Mercedes-Benz S63 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 2009 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.