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Mercedes-Benz ESL / ELV Repair Brisbane

Common Mercedes ESL / ELV Symptoms

  • Steering Lock Defective warning

  • Vehicle will not start

  • Key recognised but engine does not crank

  • Remove Key message on dashboard

  • Intermittent starting problems

  • No communication with ESL / steering lock module

Mercedes Models Commonly Affected

  • Mercedes-Benz C-Class (W203, W204)

  • Mercedes-Benz E-Class (W211, W212)

  • Mercedes-Benz S-Class (W221)

  • Mercedes-Benz CLS (W219)

  • Mercedes-Benz CLK (W209)

  • Mercedes-Benz GLK (X204)

  • Early A-Class, B-Class, CLA, GLA

(Most commonly vehicles manufactured from 2005 to 2014)
Our Mercedes ESL / ELV Repair Services

  • Electronic Steering Lock (ESL / ELV) repair

  • ESL motor fault recovery

  • ESL emulator programming

  • EIS & ESL data repair and cloning

  • Bench-level module testing and repair

  • Dealer-level diagnostics and coding

✅ Cost-effective alternative to dealership repair
✅ No unnecessary steering column replacement
✅ Fast turnaround
✅ Professional electronic repair

Common Mercedes-Benz ESL / ELV Fault Codes

Electronic Steering Lock (ESL / ELV) faults usually appear in the EIS (Electronic Ignition Switch), ELV, or Front SAM control units.

Most Common & High-Probability Codes
EIS / EZS Fault Codes

  • B1703 – Electronic Steering Lock (ELV) faulty

  • B1706 – ESL internal fault / lock not unlocked

  • B1707 – ESL does not unlock

  • B1708 – ESL mechanical fault

  • B1710 – Steering lock signal implausible

  • B1720 – No communication with ELV
     

👉 These are classic worn ELV motor / carbon brush failures.

ELV (Steering Lock Module) Fault Codes

  • B1000 – Internal ELV control unit fault

  • B1004 – ELV motor failure

  • B1013 – ELV locking/unlocking fault

  • B1020 – ELV defective
     

Front SAM / CAN Communication Codes

  • U0100 – Lost communication with EIS

  • U0155 – Lost communication with instrument cluster

  • U0423 – Invalid data received from ELV


Typical Dashboard Messages

  • Steering Lock Defective

  • Remove Key

  • Key Not Accepted

  • Vehicle Will Not Start

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