CPW (tm) 98-04 Mercedes Benz R170 SLK CLASS SMOKE LED Tail Lights + Bumper Side Marker Lights + Chrome Bulbs Brand NEW set (4 pieces, Left & Right) and Never been used No bulbs except the built-in LEDs are included as this set is designed to use your factory bulb/wiring/socket direct plug and play Made by German FK-Automotive's OEM manufacturer, DEPO, ISO 2001 Certified, Quality is Guaranteed! With matching Smoke bumper side marker lights, a complete 4 PIECES Set! Although DIY is possible. PROFESSIONAL INSTALLATION is RECOMMENDED, NO instructions will be included except the manufacturer's original ones if there is any.