A2059053414 A2059052809 A2054400073 Voltage Converter Auxiliary Battery

A2059053414 A2059052809 A2054400073 Voltage Converter Auxiliary Battery

Mercedes A2059053414 replacement voltage converter is factory fitted on many different mercedes cars such as: C W205 S205 C205 GLC C253 E W213 S213 C238 S W222.

It is used in Eco Stop Start function and it recharged by regenerative braking system.

Mercedes voltage converter location is at the passenger front side footwell place, even to make things much more easier we have made video how to do that and we have a blog guide as well about the following warning messages "auxiliary battery malfunction" at our blog page.

To access and replace part you will need to remove some protection parts, move carpet a little bit backwards and under the second layer of protection part you will find and access auxiliary battery voltage converter.

A205905341480 part is located at the same place for all C-class GLC-class and E-class mercedes-benz cars.

What is the failure symptoms of Mercedes-Benz voltage converter?

The most common issue and symptom of failing voltage converter is Auxiliary Battery Malfunction and or stop vehicle shift to P leave engine running on-board computer error message.

Once you see this fault message there is no need to visit dealer shop and do secondary diagnostic and spend extra money as dealer suggests.

The newest part number for Mercedes-Benz voltage converter auxiliary battery is MA205905341480, it supersedes A2054400073 and A2059052809 part numbers.

No coding is required after replacing voltage module.

We have also included picture where to find this battery aka convertor, please check our picture it is marked number 10, if you still need more information how to replace it you watch our tutorial on youtube as well.

The most common Mercedes-Benz warning messages

• Auxiliary Battery Malfunction
• Backup-batteri Fejl
• Batterie de reserve defaut
• Bateria auxiliar falha
• Batería auxiliar Avería
• Backup Batterie Störung
• Backup-batterie Fejl
• Backup-batteri störning
• Zalozni akumulator Porucha
• Backup accu Storing
• Backup batteria anomalia
• Usterka akumulatora dodatkowego
• Yedekleme akusu Ariza

The most common diagnostic trouble codes DTCs

• B21DC01 - The buffer battery of the electronic ignition lock has a malfunction. There is a general electrical fault
• B21DC01 The buffer battery of the electronic ignition switch (EIS/EZS) is faulty. A general electrical fault exists

Hella Voltage Stabilizer oem number:

• 8ES011590-701

Mercedes-Benz part numbers:

• A205 905 34 14
• A2059053414
• 205-905-34-14-80
• A205 905 34 14 80
• A205905341480
• MA2059053414

Part number A2059053414 supersedes:

• A205 440 00 73
• A2054400073
• 205-440-00-73
• A205 905 28 09
• A2059052809
• 205-905-28-09

Compatible Mercedes-Benz cars:

• C Cass W205 Saloon Sedan
• C Class S205 Estate Touring
• C Class A205 Cabriolet Convertible
• C Class C205 Coupe
• C Class 2014 2015 2016 2017 2018
• C Class C180 C200 C220 BlueTec C250 C300 C350e C400 C450 C43 C450 C63 AMG
• CLC W257 2017 2018 2019
• E ClasS W213 Sedan
• E Class S213 Estate
• E Class C238 Coupe
• E Class A238 Convertible
• E Class 2016 2017 2018 2019
• E Class E200 E250 E300 E350e Hybrid E400 E450 E43 E63 AMG
• E200d E220d E300d E350d E400d 4MATIC
• GLC X253 C253 W253 Hatchback Coupe 2015 2016 2017 2018 2019
• GLC GLC350e GLC220d GLC250d GLC350d
• GLC300 4 MATIC GLC43 GLC63 AMG
• S Class W222 Sedan 2013 2014 2015 2016 2017 2018
• S Class C217 Coupe 2013 2014 2015 2016 2017 2018
• S Class S300 BlueTec S320 S350 S400 Hybrid S500 S550 S65 S63 AMG

Please note: this list is not full, sensor may fit other car models as well.