Below is a list of light bulb types used in 2001-2012 MERCEDES-BENZ SL-CLASS lighting system, covering convertible vehicles.
Headlight bulb: low beam - H7, D2S or D1S / high beam - H7
Parking light bulb: W5W
Fog light bulb: H11
Front indicator/turn signal bulb: PY21W
Cornering light bulb: H7
Rear indicator/turn signal bulb: PY21W
Back-up light bulb: P21W
Rear fog light bulb: P21W
License plate light bulb: C5W
Interior light bulb: W5W
Door light bulb: C5W
Reading light bulb: R5W
Light bulb sizes for other MERCEDES-BENZ SL-CLASS generations: SL-CLASS (R231)