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A2059053414 Voltage Converter Mercedes W205 C-Class E-Class S-Class AKAS
AutomotiveAKASTakealot

A2059053414 Voltage Converter Mercedes W205 C-Class E-Class S-Class AKAS

Auxiliary Battery Eco Start-Stop Direct Fit No Coding B21DC01 Fault Code Regenerative Braking MA2059053414

R 399.00

Takealot · checked 5 days ago

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Average
R 399.00
Lowest seen
R 399.00
Highest seen
R 399.00
Last change
R 0.00
First indexed
21 Sep 2026
Retailer
Takealot

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Description

AKAS A2059053414 Auxiliary Battery Voltage Converter for Mercedes-Benz.

Direct factory-fit for Eco Start-Stop, charged via regenerative braking.

Compatible with C-Class W205, GLC, E-Class W213, S-Class W222 and variants.

Front passenger footwell. Direct replacement, no coding. Fixes B21DC01. 6-month warranty.

1. Auxiliary Battery Voltage Converter + Eco Start-Stop + Regenerative Braking

High-quality replacement auxiliary battery voltage converter for multiple Mercedes-Benz models.

Direct factory-fit component works with Eco Start-Stop system, charged via regenerative braking system.

Essential for Mercedes-Benz vehicles with start-stop technology common in South Africa's urban driving.

2. Wide Compatibility + C/E/GLC/S-Class + Multiple Body Styles

Compatible with C-Class W205/S205/C205, GLC C253/X253, E-Class W213/S213/C238, S-Class W222/C217.

Covers sedan, estate, coupe and convertible body styles.

Fits C180, C220, E220d, GLC 220d, S-Class, various AMG & hybrid versions - may fit more Mercedes models.

3. Direct Replacement + No Coding Required + Easy DIY Install

Located in front passenger footwell. Simply remove protective covers and slightly reposition floor carpet.

No professional coding required after installation - vehicle recognises new component automatically.

Perfect for South African DIY enthusiasts and independent repair workshops, saving expensive dealer labour fees.

4. Fixes B21DC01 Fault Code + Auxiliary Battery Malfunction + No Dealer Diagnosis

Faulty voltage converter triggers errors: Auxiliary Battery Malfunction or Stop vehicle, shift to P, leave engine running.

Related DTC fault code B21DC01 (Buffer battery of electronic ignition lock malfunction).

Replace this part directly to fix - no extra dealer diagnosis needed, saving time and expensive dealer fees.

5. Multiple Cross Reference OE Numbers + Accurate Match + Cost-Effective

Latest part number MA2059053414, main part number A2059053414 / A205905341480.

Supersedes old part numbers A2054400073, A2059052809. Also named Steuergerät Spannungswandler in German.

Please verify original part number before purchase. 6-month warranty + 30-day returns. Dedicated after-sales email.

Compatible Models

C-Class: W205/S205/C205 (Sedan, Estate, Coupe, Convertible)

GLC: C253/X253

E-Class: W213/S213/C238 (Sedan, Estate, Coupe)

S-Class: W222/C217

Engines: C180, C220, E220d, GLC 220d, S-Class, AMG & hybrid versions

OE: A2059053414, A205905341480, MA2059053414, A2054400073, A2059052809

Specifications

Type: Auxiliary Battery Voltage Converter / Module

Brand: Mercedes-Benz

Main OE: A2059053414 / A205905341480

Latest OE: MA2059053414

Superseded OE: A2054400073, A2059052809

Function: Eco Start-Stop, regenerative braking charging

Installation: Front passenger footwell, direct replacement, no coding

Fault Code: B21DC01 | Errors: Auxiliary Battery Malfunction

Material: Plastic housing | Weight: ~300g

Package: 1 X Voltage converter | Warranty: 6 months

Important Notice

Verify original part number before purchase. Replaces A2059053414, A205905341480, MA2059053414, A2054400073, A2059052809.

Disconnect main battery before working on electrical components to avoid short circuit/shock.

No coding required - vehicle recognises new component automatically. If error persists, check other electrical issues.

6-month warranty covers defects only. Improper installation, water damage, electrical surge, incompatible vehicles or modification voids warranty.

What's in the box
1 x Direction Lock Simulator