Supply regulated power to the HID headlight with the Standard Ignition HID Headlight Ballast, part number HID137. It installs as a direct-fit replacement for several Mercedes-Benz models, among them the 2011-2012 Mercedes-Benz SL550, 2009-2012 Mercedes-Benz SL63 AMG and 2009-2011 Mercedes-Benz SL65 AMG. See the "Vehicles it fits" section for complete application details.
The ballast regulates the electrical power sent to the high intensity discharge (HID) headlight bulb so the lamp can light and keep operating. Standard Ignition builds it with these features:
- DOT-certified: Certified by the DOT to comply with Federal Motor Vehicle Safety Standards.
- Heavy-duty casing: The electronics sit inside a heavy-duty casing built for durability.
- OE-matched circuitry: The internal circuitry is designed to match the OE design for proper performance.
- Plug and play: Designed to plug in with no reprogramming needed.
Signs this part may need replacing include a headlight that flickers, cuts out intermittently, or will not light. A worn bulb or a wiring fault can cause the same symptoms, so diagnose the cause first. If a failed ballast is the problem, HID137 replaces it.
Interchange: HDB137 · 2308209426 · 230820942664 · HID727
This part cross-references / interchanges with the following part numbers:
HDB137, 2308209426, 230820942664, HID727, HID137
Frequently Asked Questions
What does an HID headlight ballast do?
It regulates the electrical power delivered to the HID headlight bulb so the lamp can light and operate. The Standard Ignition HID137 is a replacement ballast for the listed Mercedes-Benz applications.
Which vehicles does the Standard Ignition HID137 fit?
It fits several Mercedes-Benz models, including the 2011-2012 Mercedes-Benz SL550, 2009-2012 Mercedes-Benz SL63 AMG and 2009-2011 Mercedes-Benz SL65 AMG. See the "Vehicles it fits" section for full application details.
Does the HID137 ballast need to be reprogrammed after installation?
No. Standard Ignition uses a plug-and-play design for this ballast, so no reprogramming is needed.
What are signs an HID ballast may need replacing?
A headlight that flickers, cuts out, or won't light may be a sign of a failing ballast. A worn bulb or a wiring fault can cause the same symptoms, so diagnose the cause before replacing.
Is this ballast DOT-certified?
Yes. The HID137 is DOT-certified to comply with Federal Motor Vehicle Safety Standards.
