2006 Mercedes-Benz CLS500 Electrical system Problems
- Complaints
- 3about this part
- Share
- 5%of 62 total for the year
- Median mileage
- 41,200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2006 Mercedes-Benz CLS500, 5% of the 62 complaints for this model year. Where a mileage was given, the median is 41,200 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 contact owns a 2006 mercedes benz cls 500. The contact stated while in his home, he could smell gasoline fuel leaking from the vehicle while parked in the residential garage. The contact was unable to locate a fuel leak and took the vehicle to the dealer for inspection. The dealer advised the contact that the fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was not notified. The failure mileage was 48,000.... Updated 08/15/12 updated 08/16/2012”
NHTSA complaint #10462549, filed 2012-06, 48,000 miles“The contact owns a 2006 mercedes benz CLS500. While driving at any speed, the engine stalls. The vehicle loses all power, including braking and power steering. The vehicle glided down into a curb due to the failure. When shifted into park, the vehicle restarts normally. The vehicle was taken to the dealer, but they could not repair the failure. Other electrical issues were discovered, but not the cause of the stalling failure. The vehicle also has transmission failure, in whcih the contact believes is the cause of the stalling. The failure mileage was 34,400.”
NHTSA complaint #10270109, filed 2009-05, 34,400 miles“The contact owns a 2006 Mercedes-Benz CLS500. While driving approximately 60 MPH, a message appeared on the instrument panel stating that the brake system had malfunctioned and the vehicle would not stop. The driver stopped the vehicle and shut off the engine. After restarting the vehicle, the message re-appeared. In addition, while operating the vehicle, the speedometer would display inaccurate speeds. The failures were not diagnosed. The vehicle was not repaired. The manufacturer was notified of the failures, but no assistance was offered. …”
NHTSA complaint #11014702, filed 2017-08Related 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…
- 10155126Jan 30, 2019Model series 257: In the Edition 1, the Welcome graphic is not displayed in the instrument cluster with the specific Edition animation.
- 10151926Jul 3, 2018Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772)
- 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…
- 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.
- 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…
- 10048279Nov 1, 2012Mercedes: camshaft adjustment solenoid may leak oil due to settling properties of seal and the engine wiring harness will be retrofitted with four adapter harnesses as a…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2006 | 3 | 5% |
Other parts of the 2006 Mercedes-Benz CLS500
23 complaintsFuel system
23 complaintsAir bags
5 complaintsTransmission and drivetrain
4 complaintsWheels
4 complaintsElectronic stability control
3 complaintsVehicle speed control
3 complaintsEngine
2 complaintsTires
2 complaintsSeats
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2006 Mercedes-Benz CLS500
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