NO ERROR 2008-2011 MERCEDES W204 C CLASS 4D LED CLEAR BUMPER SIDE MARKER LIGHTS - DRL LED - C300 C350 Sport Brand NEW set (2 pieces, Left & Right) and Never been used All Clear EUROPEAN White-Out Look x5 Ultra High Power WHITE LEDs in each side of the side marker, NO ERROR after install! PLUG & PLAY connection! Direct replacement, no modification required. Easy Installation Although DIY is possible. PROFESSIONAL INSTALLATION is RECOMMENDED, NO instruction will be included except the manufacturer's original ones if there is any.