2006 Mercedes-Benz S500 Electrical system Problems
- Complaints
- 4about this part
- Share
- 31%of 13 total for the year
- Median mileage
- 93,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2006 Mercedes-Benz S500, 31% of the 13 complaints for this model year. Where a mileage was given, the median is 93,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The telematics device in my 2006 mb S500 spontaneously malfunctioned. No known events lead up to the failure, total loss of information and safety uplink, total loss of new $300 mbrace subscription value, as of 21 mar 2011, nothing done to correct other than call to dealer. Was a prior recall done that would have impacted the vehicle telematics unit or the associated vehicle electrical system?”
NHTSA complaint #10392405, filed 2011-03, 68,000 miles“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.”
NHTSA complaint #11684307, filed 2025-09Related service bulletins
- 11015640Mar 5, 2025Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 11008091Sep 28, 2024Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 10186141Dec 10, 2020NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
- 10135604Mar 31, 2015Vehicle cannot be opened via Keyless-Go and radio remote control
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10037986Dec 8, 2010Mercedes benz- when doing a software update the update fails and the tuner goes to boot mode.
- 10016687Mar 31, 2009Abc visit workshop displayed in instrument cluster and hydraulic fluid leakage. *tt updated 5/14/09. Models 215, 220 and 230. Model years unknown.
- 10028665Jan 7, 2009Mercedes: warning message right low beam- check bulb; or left low beam-check bulb in instrument cluster. Due to the fact that the xenon burner may not be ignited on first attempt…
- 10028627Dec 15, 2008Mercedes: display in instrument cluster "air suspension" or "abc service required" is displayed in the instrument cluster, the engine wiring harness may have been damaged by the…
- 10016632Apr 1, 2006The alternator regulator may fail to prevent voltage values ranging beyond the specified tolerance limits.
Electrical system: other model years
Other parts of the 2006 Mercedes-Benz S500
4 complaintsTransmission and drivetrain
4 complaintsSuspension
2 complaintsTires
2 complaintsFuel system
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2006 Mercedes-Benz S500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology