2006 Mercedes-Benz SL500 Electrical system Problems
- Complaints
- 1about this part
- Share
- 8%of 13 total for the year
- Median mileage
- 85,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2006 Mercedes-Benz SL500, 8% of the 13 complaints for this model year. Where a mileage was given, the median is 85,000 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.
“When the car is turned on, the srs light comes on, the rollbar light on, command center off/on/off/on, windshield wipers don't work, seat warmers/coolers inop, auto headlights inop.....all these problems are connected and intermittent. Reading throught the mb forum and mbworld forum, many sl owners are experiencing the same thing and it all seems to point to the electronic ignition switch. I wrote a letter to mb in january 2015 and they didn't want to help. …”
NHTSA complaint #10787102, filed 2015-10, 85,000 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…
- 11000705May 31, 2024Battery Control Module needs replacement due to electrical overstress. Incorrect charging procedures and battery maintenance. Remedy Proper care and maintenance of the electrical…
- 10166105Jul 10, 2014The electrical wiring harness is trapped between the height adjustment gearing and the cushion frame.
- 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…
- 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…
- 10016687Mar 31, 2009Abc visit workshop displayed in instrument cluster and hydraulic fluid leakage. *tt updated 5/14/09. Models 215, 220 and 230. Model years unknown.
- 10019993May 1, 2006A potential malfunction which could render the secondary air injection pump relay inoperable thereby affecting the proper operation of the secondary air injection pump.
- 10016632Apr 1, 2006The alternator regulator may fail to prevent voltage values ranging beyond the specified tolerance limits.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2006 | 1 | 8% |
| 2005 | 4 | 21% |
| 2004 | 4 | 9% |
| 2003 | 10 | 13% |
| 1998 | 2 | 33% |
| 1997 | 1 | 11% |
| 1996 | 3 | 50% |
| 1995 | 18 | 82% |
| 1994 | 8 | 100% |
| 1993 | 4 | 67% |
Other parts of the 2006 Mercedes-Benz SL500
4 complaintsSuspension
4 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2006 Mercedes-Benz SL500
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