7 Years Available
Mercedes-Benz 300cd Light Bulb Sizes
Complete bulb size reference for the Mercedes-Benz 300cd from 1978 to 1985. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same H6024 low beam bulb for Mercedes-Benz 300cd entries from 1978 to 1985. Confirm your trim and factory lighting package before buying.
Year Range
1978 – 1985
7 model yearsCommon 300cd Replacement Parts
Select Your Year
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Frequently Asked Questions
We have bulb size data for the Mercedes-Benz 300cd from 1978 to 1985, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
No, the Mercedes-Benz 300cd has used the H6024 low beam bulb consistently across all 7 model years in our database. Any year in the 1978–1985 range uses the same bulb.
The Mercedes-Benz 300cd uses a H6024 bulb for the low beam (same bulb serves both high and low beam via dual filament). Select your year below for the exact fitment chart.
Yes. The Mercedes-Benz 300cd uses a H6024 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.