ESL ELV Steering Lock Emulator Mercedes W204 W207 W212 Plug and Start AKAS
Direction Lock Simulator W176 W447 W246 Fatal Error Repair VVDI MB Tool With Lock Sound C-Class E-Class CLS
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- 21 Sep 2026
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ESL ELV Steering Lock Emulator Mercedes W204 W207 W212 Plug and Start AKAS
Checked Today
ViewR 499.00
+R 375.00
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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