2004 Mercedes-Benz C320 Electrical system Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2004 Mercedes-Benz C320, 7% of the 15 complaints for this model year. Where a mileage was given, the median is 60,000 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.
“I own a 2004 mb C320 and I have noticed that when it reached 40,000 miles the car itself started malfunctioning from the rear window shade wouldn't go down for which I only use occasionally; the air conditioning would turn on and off; the temp gauge is inaccurate; the passenger visor came off; the center console wouldn't shut close and the. I went to mb for the yearly service- april 2009 and they wanted $1300.00 for the window shade; I think $500 for the center console and $125 for the visor. …”
NHTSA complaint #10275711, filed 2009-07, 60,000 milesRelated 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
- 10166087Jul 10, 2014The presence of a quiescent current can have several causes. These are not always recognized and lead to an increased number of OK components being removed. Possible Hall sensor…
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10167563Jul 8, 2013The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after…
- 10033116Apr 1, 2011Mercedes: replace the camshaft adjustment solenoid(s) and install adapter harness(es). Due to the settling properties of the seal of the camshaft adjustment solenoid…
- 10028586Feb 27, 2009Mercedes vehicle: the srs indicator lamp is illuminated and code b1058 and b2dbo are stored, replace the srs control unit. Models 203 and model 209. Model years unknown.
Electrical system: other model years
Other parts of the 2004 Mercedes-Benz C320
5 complaintsAir bags
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2004 Mercedes-Benz C320
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