Mercedes-Benz W204 (2007-2014) Complete Lock Set | Ignition, Steering Lock & Keys

Description

If your Mercedes-Benz W204 C-Class has a “dead” key that won’t turn in the ignition, makes no clicking sound when inserted, or if you are dealing with the notorious Electronic Steering Lock (ELV) failure where the steering wheel remains locked and the car refuses to crank, a matched lock set is the ultimate solution. We supply workshop-vetted, original Mercedes-Benz ignition and security components for the 2007–2014 W204 chassis.

Because modern Mercedes-Benz security architecture relies heavily on synchronized electronic control units, using mismatched components will result in a permanent no-start condition. Our matched lock sets are sourced as cohesive operating units to ensure seamless communication across the vehicle’s security network.

• Complete Synchronization: Includes matched components (EIS/EZS ignition switch, steering lock motor/emulator, and programmed key fob) designed to communicate without throwing anti-theft errors.

• Factory Reliability: Eliminates the common factory weak points found in original early-model steering lock motors, restoring reliable ignition and security cycling.

• Condition: Premium workshop-vetted original components; inspected for electronic board health, mechanical gear integrity, and flawless key-transponder responsiveness.

Critical Considerations for W204 Lock Set Replacement:

• The EIS / ELV / ECU Relationship: On the W204, the Electronic Ignition Switch (EIS), the Electronic Steering Lock (ELV), and the engine computer (ECU/DME) are strictly “married” via digital data protocols. Providing your VIN is absolute mandatory so we can verify whether you need a pre-programmed plug-and-play matched set or if specific component cloning is required for your exact production year.

• Pre-Facelift vs. Facelift (2011+): The W204 underwent a major interior and electrical architecture update in 2011 (Facelift). Pre-facelift and facelift ignition switches and key designs (Chrome “NEC” key vs. FBS3/FBS4 variants) are not interchangeable.

• Battery Voltage: W204 security modules are extremely sensitive to low voltage. Always ensure your main vehicle battery is fully charged and healthy during diagnosis and installation, as voltage drops can corrupt ignition switch data.

Workshop Pro-Tip: Don’t ignore a sluggish steering lock. If you insert your key and notice a slight delay before you hear the familiar “whirring” sound of the steering lock releasing, your ELV motor is on its last legs. Replace or service it immediately. If the ELV motor fails completely while the steering is locked, it becomes exponentially harder to remove the unit from beneath the dashboard without damaging the steering column housing!

Key Features:

• Model-Specific: Precision-matched electronic security architecture for the W204 C-Class.

• Professional Quality: Sourced from verified donor vehicles with intact, healthy circuit boards.

• Quality Assured: Vetted for electronic handshake reliability and mechanical gear durability.