Mercedes-Benz ECU Engine Control Module + Ignition Switch + Key Set (A270 900 2100 OEM)

For sale is a genuine OEM Mercedes-Benz Engine Control Module (ECU) with Ignition Switch and Key Set, part number A270 900 2100, removed from a working vehicle and fully tested.

✅ Vehicle Compatibility:

Suitable for multiple Mercedes-Benz models including:

• CLA-Class (C117 / W117)
• GLA-Class (X156 / W156)
• B-Class (W246 / W242)
• A-Class (W176 / W177 – selected models)

⚠️ Please confirm part number before purchase to ensure compatibility.

🔧 Product Details:

• Genuine OEM Mercedes-Benz part
• ECU + ignition switch + key set included
• Part Number: A270 900 2100 / A2709002100
• Engine Control Module (ECM/ECU)
• Includes 1 or 2 programmed keys (as shown in listing)
• Used condition – fully tested and working
•  (may require programming depending on vehicle)

⚙️ Features:

• Original Mercedes-Benz electronic control unit
• Ensures proper engine management and performance
• Matches factory specifications
• High-quality OEM replacement part
• Ideal for replacement or repair use

📦 Condition:

• Used OEM part in good working condition
• Removed from running vehicle
• May show minor signs of wear due to previous use
• Fully inspected before shipping

🚗 Important Notes:

• Programming may be required depending on vehicle setup
• Please match part number before ordering
• Professional installation recommended