What is the low beam headlight bulb size for a 2011 Mercedes-Benz CL-class?

The 2011 Mercedes-Benz CL-class uses a N/A bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2011 Mercedes-Benz CL-class?

The high beam bulb size for the 2011 Mercedes-Benz CL-class is H11.

Why are my 2011 Mercedes-Benz CL-class headlights dim?

Dim headlights on a 2011 Mercedes-Benz CL-class can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a N/A LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2011 Mercedes-Benz CL-class fog light?

The 2011 Mercedes-Benz CL-class typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 2011 Mercedes-Benz CL-class single or dual beam?

The 2011 Mercedes-Benz CL-class uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2011 Mercedes-Benz CL-class?

Yes, the 2011 Mercedes-Benz CL-class comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a N/A LED conversion kit for the low beams.

Did the 2011 Mercedes-Benz CL-class change headlight bulb sizes from the previous year?

Yes — the 2011 Mercedes-Benz CL-class uses different bulb sizes than the 2010 model. The 2011–2012 generation introduced this bulb configuration.

Is the 2011 Mercedes-Benz CL-class the first or last year to use N/A bulbs?

The 2011 Mercedes-Benz CL-class is the first year in the 2011–2012 generation to use the N/A bulb for the low beam headlight.

How do I change the headlight on a 2011 Mercedes-Benz CL-class?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old N/A bulb counter-clockwise to remove it, then insert the new bulb and reassemble. Note: Mercedes-Benz vehicles use a CANbus system, so LED replacements may need an anti-flicker decoder. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2011 Mercedes-Benz CL-class?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved N/A LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2011 Mercedes-Benz CL-class headlights?

A pair of halogen N/A bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2011 Mercedes-Benz CL-class?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the N/A position are available as direct plug-and-play replacements. Since the Mercedes-Benz uses CANbus monitoring, choose a CANbus-compatible LED kit to avoid dashboard errors.

The 2011 Mercedes-Benz CL-class is the first model year to use this bulb configuration (2011–2012).

Fitment Guaranteed for 2011 Mercedes-Benz CL-class

What Size Bulbs Does a 2011 Mercedes-Benz CL-class Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Hard (Tight clearances)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2011 Mercedes-Benz CL-class Have?

Lighting on the 2011 Mercedes-Benz CL-class is managed by a total of 4 bulbs, covering everything from primary headlights to signal indicators. It features a standard lighting system powered by a dual-bulb halogen configuration using separate low beam and H11 high beam bulbs for precise light distribution. This model belongs to the late years of the CL-class's 1998-2014 production span. Note that Mercedes-Benz vehicles typically feature a CANbus electrical monitor that checks for specific bulb resistance.

LED Flicker Warning

This vehicle is known to use a CANbus system. Installing standard LEDs may cause flickering.

Use a CANbus decoder.

Can You Put LED Bulbs in a 2011 Mercedes-Benz CL-class?

Upgrading to LED is one of the most effective ways to modernize your Mercedes-Benz's appearance and safety profile. We recommend starting your upgrade with the low beams, as they see the most use. Adding a matching H11 LED kit later will complete the look and ensure consistent lighting performance. Because Mercedes-Benz utilizes a CANbus system, standard LED bulbs may cause "bulb out" errors on your dashboard. Always opt for "Error-Free" or CANbus-ready kits which include the necessary resistors.

2011 Mercedes-Benz CL-class Bulb Size Chart

Position	Bulb Size	Shop
High Beam	H11	Buy H11 →
Parking Light	W5W	Buy W5W →
License Plate	W5W	Buy W5W →
Trunk Light	W5W	Buy W5W →

How do the 2011 Mercedes-Benz CL-class's bulbs compare to other years?

The 2011 Mercedes-Benz CL-class changed bulb sizes from 2010. The previous model year used a different configuration.

The 2012 model continues with the same bulb sizes.

This bulb configuration covers the 2011–2012 model years. ← 2010 2012 →

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Other CL-class Years

2014 2013 2012 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998

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