2009 Mercedes-Benz C63 Electrical system Problems
- Complaints
- 4about this part
- Share
- 33%of 12 total for the year
- Median mileage
- 40,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2009 Mercedes-Benz C63, 33% of the 12 complaints for this model year. Where a mileage was given, the median is 40,000 miles. 1 a fire, according to the filers.
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.
“Car dash display indicated to check right rear turn lamp. While checking the lamp, the lamp holder assembly was hot. When attempting to unplug the electrical connector to the lamp holder assembly, discovered that the electrical connector was melting (specifically around the ground wire). There seem to be other reports of this issue on web forums (e.g. Mb world).”
NHTSA complaint #10505806, filed 2013-04, 40,000 miles“Rear tail light wiring has burnt up causing failure of the taillight. This happened on both sides of the vehicle. The right side actually began putting out smoke when the burnt connector failed. This fire could have spread with my kids in the car.”
NHTSA complaint #10555888, filed 2013-12, 23,000 milesRelated service bulletins
- 11017119Apr 21, 2025Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search…
- 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…
- 10207198Jan 27, 2022Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener…
- 10207199Jan 9, 2022Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from…
- 10205790Aug 2, 2021After starting the engine, the instrument cluster shows the "EBD not available, diagnosis/test stand" message in yellow.
- 10186141Dec 10, 2020NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
- 10205150Nov 7, 2016Engine sound change after recent software updates.
- 10235983Feb 26, 2016Daimler AG (DAG) has decided that a supplier production error in the SRS control unit could lead to a failure of the SRS control unit. This malfunction of the SRS control unit…
- 10167510Feb 28, 2014The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2009 | 4 | 33% |
| 2008 | 2 | 40% |
Other parts of the 2009 Mercedes-Benz C63
4 complaintsEngine
2 complaintsExterior lighting
2 complaintsBrakes
1 complaintsEngine cooling
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2009 Mercedes-Benz C63
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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