"Please check the part number clearly, confirm suited to your needs.
Fits For:
Mercedes-Benz C117 CLA X156
🚗 Professional Automotive Sensor Purchase Guide (Installation/After-Sales/Shipping)
🇨🇳 Direct Shipping from China · Worldwide Free Shipping · Quality Assurance
🔧 Professional Installation Guidelines (Must Read)
Compatibility Verification
✅ Before placing order, carefully verify OE number and product images match your required sensor. If uncertain, send us photos of original sensor (showing OEM label) for confirmation. ⚠️ No after-sales liability for malfunctions caused by vehicle model mismatch.
Installation Specifications
📌 Recommended to be performed by certified auto repair shops. Contact us immediately with photos and error codes if issues arise during installation. 📌 Prohibited Operations:▸ Direct finger contact with ceramic probe (oil contamination causes failure)▸ Using impact wrench installation (thread damage voids replacement eligibility)▸ Installation without removing exhaust pipe carbon deposits
Installation Procedure:
Step 1: Confirm OE number matches original part Step 2: Inspect wiring integrity pre-installation Step 3: Clear OBD fault codes Step 4: Verify secure wiring connections post-installation Step 5: Power activation & functional testing
📦 Return & Warranty Policy
Our Commitment:
✔️ 12-month warranty from date of purchase. Defective products qualify for free replacement. ✔️ Buyer covers return shipping costs. ✔️ Replacement dispatched within 72 hours after defect confirmation. Warranty Exclusions:
Warranty Exclusions:
✖️ Scratched/burned probe surfaces ✖️ Deformed sealing gaskets from usage ✖️ Tamper-evident labels broken (unauthorized disassembly) ✖️ Improper installation/misuse/abuse ✖️ Indirect damages from other component failures ✖️ Parts used in off-road or racing applications (unless specified) ✖️ Consequential/incidental/special/exemplary damages ✖️ Warranty void if vehicle ownership is transferred
Efficient After-Sales Service:
Full refunds available for unused items in original packaging. Contact us for return authorization prior to shipmentRefunds processed within 3 business days after receiving returns.
Shipping:
Standard delivery via eBay SpeedPAK. DHL expedited shipping available at additional cost.
⚠️ Legal Disclaimer:
No liability for Particulate Matter (PM) Sensor damage/vehicle malfunctions caused by improper installation.