2007 Mercedes-Benz ML320 Electrical system Problems
- Complaints
- 2about this part
- Share
- 13%of 16 total for the year
- Median mileage
- 50,000miles
- 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 ML320, 13% of the 16 complaints for this model year. Where a mileage was given, the median is 50,000 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.
“Years ago, while driving through new mexico, my dash and command center flashed off and rebooted. It was a little concerning because we were using the GPS exclusively for our directions. There was also a transmission warning light that came on warning us to get to the nearest dealer, without shifting gears. This happened perhaps 10-15 times until I was able to detour to the mb dealer in albuquerque - absolutely wonderful people. They told me that it would sound strange but the problem was caused by a faulty glow plug sensor or module - which they didn't have in stock. …”
NHTSA complaint #10579606, filed 2014-04, 50,000 miles“My 2007 MB ML320 CDI has problem with water entering where spare tire located,after rain or when i use car wash.It builds inside so much water that module for for fuel pump stopped working,all wires were corroded,I paid for repairs from my pocket because MB dealership refused to fix my vehicle even they new MB ML/GL models have issue with water entering spare tire area.Now I find out they have recall with over323,000 ML/GL models.Recall number22v-955.I would like to file this complaint because dealership refuses to cover my previous repairs.Water still entering trunk area,and I have to…”
NHTSA complaint #11502631, filed 2023-01Related 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…
- 10166088Jul 12, 2014Noises from the mounting of the rear weight sensing system (WSS) sensors
- 10167007Feb 25, 2014Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit.
- 10167006Feb 12, 2014Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit.
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10167564Jul 12, 2013Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
- 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…
- 10167572Jul 3, 2013If it is necessary to replace an HV battery, the return will only be accepted with the filled-out ?Analysis Sheet for Transportability of High-Voltage Batteries Form? accompanied…
- 10034152Jun 7, 2010Mercedes: battery symbol and service required (in white). Fault message is displayed if the charge level is too low or the park pawl additional battery is defective. In addition…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2009 | 3 | 11% |
| 2008 | 4 | 19% |
| 2007 | 2 | 13% |
| 2003 | 2 | 9% |
| 2002 | 19 | 22% |
| 2001 | 16 | 12% |
| 2000 | 20 | 12% |
| 1999 | 3 | 2% |
| 1998 | 21 | 16% |
Other parts of the 2007 Mercedes-Benz ML320
5 complaintsBrakes
3 complaintsSeats
3 complaintsFuel system
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsSteering
1 complaints
← All problems reported for the 2007 Mercedes-Benz ML320
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