There is no need to buy whole headlight unit, replacing faulty ballast will save you a fortune.

Compatible with few other part numbers, which could be found below.

PROFESSIONAL INSTALLATION WILL BE REQUIRED
A2059005110 software and hardware part numbers:

HW-NR A2059013203
SW-NR A2229024107
HW-12/03.00
SW-13/23.01
Mercedes-Benz part number:

A2059005110
A205 900 51 10
Continental part number:

A2C73613507
More compatible part numbers:

A2059006905 – A205 900 69 05
A2059005716 – A205 900 57 16
A2059008604 – A205 900 86 04
A2059004330 – A205 900 43 30
More compatible continental part numbers:

A2C73943109 – A2059006905
A2C73943112 – A2059004330
A2059004330 software and hardware part numbers:

HW-NR A2059011305
SW-NR A2229021114
A2059006905 software and hardware part numbers:

HW-NR A2059011305
SW-NR A2229022205
Mercedes Benz C-Class Pre-Facelift compatibility list:

C Class W205 Saloon Sedan 2013, 2014, 2015, 2016, 2017
C Class S205 Touring Estate 2013, 2014, 2015, 2016, 2017
C Class C205 Coupe 2013, 2014, 2015, 2016, 2017
C Class A205 Convertible Cabriolet 2014 2015 2016 2017
C Class C180, C200, C220, C250, C300, C350, C45 AMG, C63 AMG, BlueTec, 4Matic
S class W222 A217 C217
Please note: This list is not full, LED module may fit other car models as well, please check provided part numbers, pictures and compare to your old parts.

What's in the box
1 X Ballast