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1999 Mercedes-Benz Benz S420 Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
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1999 Mercedes-Benz Benz S420 Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Low BeamD2RFactory HID packageHIDHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

High BeamH1Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Fog LightH1If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

Brake Light64136Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Side Marker7528Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Turn Signal Front2357NAStandard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Turn Signal Rear12496Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Reverse Light7506Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Dome Light6411Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

License Plate6418Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Parking Light2357NAStandard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Trunk Light6411Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

1999 Mercedes-Benz Benz S420 Fitment Notes

Our database shows the same listed bulb sizes for the Mercedes-Benz Benz S420 across the 1998 to 1999 range. Still verify your trim, lighting package, and the bulb number in the housing before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 1999 Mercedes-Benz Benz S420's bulbs compare to other years?

The 1999 Mercedes-Benz Benz S420 uses the same bulbs as the 1998 model.

This bulb configuration covers the 1998–1999 model years. 1998

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Other Benz S420 Years

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Other Vehicles That Use D2R Bulbs

Frequently Asked Questions

Our database lists D2R for the 1999 Mercedes-Benz Benz S420 low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists H1 for the 1999 Mercedes-Benz Benz S420 high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 1999 Mercedes-Benz Benz S420 can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed D2R size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists H1 for the 1999 Mercedes-Benz Benz S420 fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 1999 Mercedes-Benz Benz S420 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many D2R applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as D2R, and verify the factory housing before buying.

Our database has a fog light entry for the 1999 Mercedes-Benz Benz S420: H1. Fog lights may still depend on trim or equipment package.

No — the 1999 Mercedes-Benz Benz S420 uses the same bulb sizes as the 1998 model. This configuration has been consistent across the 1998–1999 generation.

The 1999 Mercedes-Benz Benz S420 is the last year in the 1998–1999 generation to use the D2R bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed D2R low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. HID D2R capsules usually cost more than common halogen bulbs. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 1999 Mercedes-Benz Benz S420.