Mercedes SL550 Headlight Bulb Parts

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Please verify H7 bulb type in existing units prior to ordering.
2007, 2008, 2009, 2010, 2011, 2012 Mercedes SL550
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$6.09
Reg
$6.34
List
$4.56
Please verify bulbs are D2S version prior to ordering, cannot be used in place of later version/updated D1S bulb. 2 per car.
2007, 2008, 2009, 2010, 2011, 2012 Mercedes SL550
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$29.99
Reg
$31.24
List
$202.00
OEM
For models with Xenon HID lighting system. Please verify bulbs are D1S version prior to ordering, not to be used in place of older style D2S bulb. 2 per car.
2007-2020 Mercedes SL550
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$105.99
Reg
$110.41
List
$201.97
The Osram-Sylvania Silverstar bulb has the whitest and brightest light available in a Halogen type bulb, for that HID-look style and safety but at an affordable price!
2007, 2008, 2009, 2010, 2011, 2012 Mercedes SL550
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$19.99
Reg
$20.82
List
$24.99
Standard halogen bulb.
2007, 2008, 2009, 2010, 2011, 2012 Mercedes SL550
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$10.09
Reg
$10.51
List
$6.19
2007-2020 Mercedes SL550
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Leaves closest warehouse today if ordered before 2 PM MST.
$64.99
Reg
$67.70
List
$201.97
2007-2020 Mercedes SL550
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Leaves closest warehouse today if ordered before 2 PM MST.
$37.99
Reg
$39.57
List
$201.97
2007, 2008 Mercedes SL550
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$72.99
Reg
$76.03
List
$106.37
High performance halogen bulb. ~4000K color temp.
2007, 2008, 2009, 2010, 2011, 2012 Mercedes SL550
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Leaves closest warehouse today if ordered before 2 PM MST.
$19.99
Reg
$20.82
List
$24.99
OEM
2007-2020 Mercedes SL550
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Leaves closest warehouse today if ordered before 2 PM MST.
$66.99
Reg
$69.78
List
$201.97

Mercedes SL550 headlight bulb typically cost between $6.09 and $105.99.

What Type Of Headlight Bulb Does The Mercedes SL550 Use?

The Mercedes SL550 headlight bulb you need depends on your model year. Newer versions typically use HID (xenon) or LED bulbs, while some older models came with halogen options. It's a good idea to double-check your owner's manual or take a look at the current bulbs to be sure before you buy replacements. Matching the part number or bulb size is always smart. Most people stick to OEM-quality bulbs for the best fit, brightness, and reliability. Aftermarket bulbs sometimes cause issues with error codes or electrical problems, so picking the right Mercedes SL550 headlight bulb matters for both safety and legality.

How Do I Change The Headlight Bulb On My SL550?

Swapping out a Mercedes SL550 headlight bulb is straightforward if you take your time. Pop the hood and find the headlight assembly in the corner. There’s usually a cover on the back—take it off by unclipping or unscrewing it. Once you see the bulb, disconnect the wiring harness and either unclip or twist the old bulb free. Slip the new headlight bulb for the Mercedes SL550 into place (be careful not to touch the glass), reconnect the harness, and close everything up. Test your headlights before putting away your tools. If you hit any snags, just check the manual or chat with a mechanic.

Why Do The Headlights Flicker Or Stop Working?

When your Mercedes SL550 headlight bulb starts flickering, dimming, or just won’t turn on, several things could be at fault. Often, it's simply an old bulb or a loose connection, especially if there’s corrosion in the socket. If you’ve got HID lights, a bad ballast is another common issue. Electrical problems like a blown fuse or faulty relay can also cause headaches. Try checking the bulbs and wiring first, and replace anything that looks worn out. Persistent flickering often points to a problem with the ballast or control unit, which might need professional help. If both headlights go out together, it’s probably an electrical issue rather than just a single bad headlight bulb.

Can I Upgrade The Standard Bulbs To LED Or Xenon?

A lot of owners choose to upgrade their Mercedes SL550 headlight bulb to LED or xenon for better light and a modern appearance. If you go this route, pick conversion kits that are made for your specific headlights to avoid issues like glare, a bad fit, or dash warning lights. Certain upgrades need extra parts—like resistors, adapters, or a different ballast—depending on your car’s setup. Always make sure they're DOT-approved and compatible with your wiring to keep things legal and working right. Done correctly, an upgrade means brighter nights and a refreshed look for your SL550.

What Are Common Signs Of A Failing Mercedes SL550 Headlight Bulb?

If your Mercedes SL550 headlight bulb is going bad, you might spot dimming, flickering, or a warning light on your dash. Sometimes, only one side goes dark or you’ll notice the color starts to shift—think bluish or pinkish hues. These symptoms can happen suddenly or build up slowly, especially with older HID or halogen bulbs. If you’re seeing uneven brightness, it’s probably time for a new bulb. Swapping it out for a quality OEM or trusted aftermarket Mercedes SL550 headlight bulb brings your lighting right back up to full strength and keeps you street legal.

Looking For A Mercedes SL550 Headlight Bulb?

At AutohausAZ, we make it easy to get the right Mercedes SL550 headlight bulb without spending a fortune. Our pricing is fair, shipping is quick, and if the bulb isn’t a proper fit, our returns are hassle-free. We want buying your Mercedes SL550 headlight bulb to be straightforward from start to finish.