What is the low beam headlight bulb size for a 2014 Audi S7?

The 2014 Audi S7 uses a HID-D3S LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2014 Audi S7?

The high beam bulb size for the 2014 Audi S7 is HID-D3S LED.

Why are my 2014 Audi S7 headlights dim?

Dim headlights on a 2014 Audi S7 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D3S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2014 Audi S7 fog light?

The 2014 Audi S7 uses a LED Fog Light bulb for the fog light position.

Is the 2014 Audi S7 single or dual beam?

The 2014 Audi S7 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2014 Audi S7?

Yes, the 2014 Audi S7 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D3S LED LED conversion kit for the low beams.

Does the 2014 Audi S7 have fog lights?

Yes, the 2014 Audi S7 takes a LED Fog Light bulb for the fog light position.

Did the 2014 Audi S7 change headlight bulb sizes from the previous year?

Yes — the 2014 Audi S7 uses different bulb sizes than the 2013 model. The 2014 generation introduced this bulb configuration.

Is the 2014 Audi S7 the first or last year to use HID-D3S LED bulbs?

The 2014 Audi S7 is the only year in the 2014 generation to use the HID-D3S LED bulb for the low beam headlight.

How do I change the headlight on a 2014 Audi S7?

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 HID-D3S LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. Note: Audi 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 2014 Audi S7?

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 HID-D3S LED 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 2014 Audi S7 headlights?

A pair of HID HID-D3S LED bulbs costs $50 to $150. 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 2014 Audi S7?

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 HID-D3S LED position are available as direct plug-and-play replacements. Since the Audi uses CANbus monitoring, choose a CANbus-compatible LED kit to avoid dashboard errors.

The 2014 Audi S7 has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2014 Audi S7

What Size Bulbs Does a 2014 Audi S7 Use?

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

Installation Difficulty

Hard (Tight clearances)

Est. Replacement Cost

$50 - $150 (HID System)

What Lighting System Does the 2014 Audi S7 Have?

The 2014 Audi S7 utilizes a refined lighting configuration featuring 14 distinct bulb positions. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D3S projector housings for high-intensity output. This model belongs to the early years of the S7's 2013-2018 production span. Note that Audi 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 2014 Audi S7?

The 2014 Audi S7 is already equipped with factory D3S HID/Xenon headlights. Since HID technology already provides exceptional brightness, we recommend staying with high-quality OEM replacement bulbs rather than attempting an LED retrofit for the primary headlights. However, the LED Fog Light fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2014 Audi S7 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D3S LED	Buy HID-D3S LED →
High Beam	HID-D3S LED	Buy HID-D3S LED →
Fog Light	LED Fog Light	Buy LED Fog Light →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	2825 LED	Buy 2825 LED →
Turn Signal Front	LED Bulb	Buy LED Bulb →
Turn Signal Rear	LED Bulb	Buy LED Bulb →
Dome Light	6411	Buy 6411 →
License Plate	LED Bulb	Buy LED Bulb →
Map Light	6486X	Buy 6486X →
Parking Light	LED Bulb	Buy LED Bulb →
Reverse Light	PW16W	Buy PW16W →
Trunk Light	2825	Buy 2825 →
Door Light	W5W	Buy W5W →

How do the 2014 Audi S7's bulbs compare to other years?

The 2014 Audi S7 changed bulb sizes from 2013. The previous model year used a different configuration.

The 2015 model switched to a different bulb configuration.

This bulb configuration covers the 2014 model years. ← 2013 2015 →

Finding the best installation guide...

Other S7 Years

2018 2017 2016 2015 2013

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