Subject: 1 pair (2 pcs.) of DYNAMIC LED side indicators (sequential indicators) Side: 1 pc. left + 1 pc. right OE number: A1638200121 / 1638200121 NOTE! The above numbers are the numbers of original parts which the item in this offer is a replacement for. Before purchasing, they must be absolutely compared with the number of the original part being replaced. If they differ by even one character, this part will not fit or will not work or will not work correctly. In such a case, do not buy it Car: Mercedes W163 ML-Class Year of production: 1998-2005 Bulb: LED diodes (built into the indicator) Lens color: smoked black LED color: orange Approval: yes Waterproof: IP67 Manufacturer: replacement Technical condition: the item is brand NEW, unused, undamaged and undestroyed Note! The LED indicator plug should be plugged into the bulb holder socket (in place of the removed bulb) - DO NOT DISCONNECT the bulb holder! Note! CAN-BUS system - no burned-out bulb error messages