Replacement original LED Module, straight swap over plug and play. Used to replace faulty A2539066500 LED Control Module found under the headlamp itself. We have a large range of replacement lighting components, feel free to contact our technical team who are waiting.Placement on Vehicle: Left Hand Side Compatible Part Numbers: A253 906 65 00 A2539066500 18442-1L 184421L Compatible Vehicles: Mercedes Benz GLC 220 D 4MATIC (2015-2018) Mercedes Benz GLC 250 D 4MATIC (2014-2015) Mercedes Benz GLC 250 4MATIC (2014-2015) Mercedes Benz GLC 350 D 4MATIC (2015) Mercedes Benz GLC 350 E 4MATIC (2015} Mercedes Benz GLC 200 4MATIC Mercedes Benz GLC 300 4MATIC (2014) Mercedes Benz AMG GLC 43 4MATIC (2014-2017) Mercedes Benz AMG GLC 63 4MATIC (2014-2017) Mercedes Benz AMG GLC 63 S 4MATIC (2014-2017) * Please note: This may fit other vehicles and part numbers.