7 Years Available
Mercedes-Benz Cla250 Light Bulb Sizes
Complete bulb size reference for the Mercedes-Benz Cla250 from 2014 to 2020. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Mercedes-Benz cla250 from 2014 to 2020 uses the same H7 low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
2014 – 2020
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Turn Signal Front | 3457NA(2015–2019) 7507(2020–2020) 3157CK(2014–2014) | 7 years | Changed |
| Reverse Light | 921(2014–2019) 7507(2020–2020) | 7 years | Changed |
| Turn Signal Rear | 7507(2014–2020) | 7 years | Consistent |
| Tail Light | 7507(2020–2020) | 1 years | Consistent |
| Daytime Running | H15(2014–2019) | 6 years | Consistent |
| High Beam | H15(2014–2019) | 6 years | Consistent |
| Low Beam | H7(2014–2019) | 6 years | Consistent |
| Parking Light | 3457NA(2015–2019) 3157CK(2014–2014) | 6 years | Changed |
| Brake Light | 921(2014–2019) | 6 years | Consistent |
| Door Light | W5W(2014–2019) | 6 years | Consistent |
| Map Light | W5W(2014–2019) | 6 years | Consistent |
| Trunk Light | W5W(2014–2019) | 6 years | Consistent |
Common Cla250 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Mercedes-Benz Cla250 from 2014 to 2020, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
No, the Mercedes-Benz Cla250 has used the H7 low beam bulb consistently across all 7 model years in our database. Any year in the 2014–2020 range uses the same bulb.
The Mercedes-Benz Cla250 uses a H7 bulb for the low beam and a H15 for the high beam. Select your year below for the exact fitment chart.
Yes. The Mercedes-Benz Cla250 uses a H7 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.