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 WRO…
2006 mercedes-benz SL-Class electrical problems
moderate 3 complaints filed with NHTSA · avg repair $850
Complaints
3
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
SPEEDOMETER APPEARS TO BE DISPLAYING/INDICATING INACCURATE SPEED COMPARE TO ACTUAL SPEED OF THE CAR. *TR
I WAS DRIVING A 2006 SL65. THE CAR HAD AN ELECTRONIC BRAKING SYSTEM. THUS, THE BRAKE PEDAL WAS CONNECTED TO A SENSOR WHICH WAS CONNECTED TO A PUMP WHICH TURNED THE BRAKES ON. SOMETHING FAILED. THERE WERE NO BRAKES! LUCKILY I DID NOT CRASH DESPITE BEING ON A CHICAGO CITY STREET. I WAS PROBABLY ON THE ONLY STREET WHERE I WOULD NOT HAVE CRASHED. THERE WAS A PRIOR RECALL ON OLDER SLS FOR THIS PROB…
Common questions
How serious is the electrical problem on the 2006 mercedes-benz SL-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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