17 Years Available
Mercedes-Benz M-Class Light Bulb Sizes
Complete bulb size reference for the Mercedes-Benz M-Class from 1998 to 2015. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Mercedes-Benz m-class from 1998 to 2015 uses the same H7 low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
1998 – 2015
17 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | H7(1998–2015) | 17 years | Consistent |
| High Beam | H7(2003–2015) H1(1998–2001) | 17 years | Changed |
| Reverse Light | 921(2008–2015) | 8 years | Consistent |
| Door Light | W5W(2012–2015) | 4 years | Consistent |
| Fog Light | H7(2006–2009) H8(2003–2005) H11(2010–2011) | 9 years | Changed |
| Turn Signal Front | 3457NA(2006–2011) 1157A(2003–2005) | 9 years | Changed |
| Turn Signal Rear | 7507(1998–2011) | 13 years | Consistent |
| Parking Light | 1157A(1998–2005) W5W(2006–2011) | 13 years | Changed |
| Map Light | W5W(2008–2011) | 4 years | Consistent |
| Side Marker | 1157A(1998–2005) W5W(2006–2007) | 9 years | Changed |
Common M-Class Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Mercedes-Benz M-Class from 1998 to 2015, covering 17 model years. Select your year below for a complete position-by-position bulb chart.
No, the Mercedes-Benz M-Class has used the H7 low beam bulb consistently across all 17 model years in our database. Any year in the 1998–2015 range uses the same bulb.
The Mercedes-Benz M-Class uses a H7 bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H7 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Mercedes-Benz M-Class 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.