Below is a list of light bulb types used in 2006- MERCEDES-BENZ SPRINTER lighting system, covering van, flat-bed/chassis and minibus vehicles.
Headlight bulb: low beam - H7, D3S or D1S / high beam - H7, D3S or D1S
Parking light bulb: W5W
Fog light bulb: H7 or H11
Front indicator/turn signal bulb: PY21W
Side direction indicator bulb: P21W
Side marker lamp bulb: W3W
Daytime running light bulb: W21W
Side light bulb: W5W
Cornering light bulb: H7
Rear indicator/turn signal bulb: PY21W
Tail light bulb: R5W
Brake light bulb: P21W
Back-up light bulb: P21W
Rear fog light bulb: P21W
License plate light bulb: W5W or R5W
Entry light bulb: C5W
Light bulb sizes for other MERCEDES-BENZ SPRINTER generations: SPRINTER (903) / SPRINTER (907/910)