2007 Mercedes-Benz E320 Electrical system Problems
- Complaints
- 2about this part
- Share
- 12%of 17 total for the year
- Median mileage
- 124,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2007 Mercedes-Benz E320, 12% of the 17 complaints for this model year. Where a mileage was given, the median is 124,000 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 insulation on the wiring harnesses for the headlights has completely disintegrated and is sitting in a pile of bits on the bottom of the headlight assembly, literally leaving completely bare wires leading up to the headlamp sockets. If these wires were to touch and short out it could result in complete loss of headlights at night at highway speed. This defect was discovered when attempting to replace a burned out low beam headlight bulb. …”
NHTSA complaint #10967912, filed 2017-03, 124,000 miles“My 1994 E320 wiring harness has totally dried up and cracked in numerous places. Resulting in electrical problems and money spent on trouble shooting.”
NHTSA complaint #10202429, filed 2007-09Related 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
- 10186142Dec 9, 2020Unmotivated Reaction from Park Assist - model series 213 facelift / 238 facelift with option code 235 (active par- king assist) and option code 501 (surround view system)
- 10179951Jul 20, 2020AIRMATIC Fault Message "Max 80 km/ h (50 mph) " In Instrument Cluster
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10033070Dec 16, 2009Xentry (mercedes): engine warning lamp is currently on or was on and a delay fault of the camshaft adjust to current or stored in the engine control unit. Models 171, 203, 209…
- 10028686May 6, 2009Mercedes: air matic visit workshop displayed within instrument cluster. Models 164, 211, 219, 221 and 251. Included 4matic, amg (compressor) amg, bluetec and wagon. Model years…
- 10027827Aug 1, 2008Mercedes benz: update engine control module software and scn coding. Under certain circumstances the oxygen sensor may clog with carbon particulates. Model e320 bluetec for 2007…
- 10025641Mar 24, 2008As of model year 2007 (sa code 807). Brake hold function can not be activated.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2009 | 1 | 13% |
| 2007 | 2 | 12% |
| 2006 | 2 | 5% |
| 2005 | 16 | 7% |
| 2004 | 13 | 6% |
| 2003 | 21 | 10% |
| 2002 | 4 | 17% |
| 2001 | 13 | 34% |
| 2000 | 8 | 18% |
| 1999 | 8 | 10% |
| 1998 | 1 | 3% |
| 1997 | 5 | 8% |
| 1996 | 12 | 27% |
| 1995 | 89 | 93% |
| 1994 | 7 | 64% |
Other parts of the 2007 Mercedes-Benz E320
5 complaintsEngine
4 complaintsFuel system
4 complaintsBrakes
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2007 Mercedes-Benz E320
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