Mercedes-Benz Immobilizer relay
Compare OEM & aftermarket Mercedes-Benz immobilizer relay — check fitment by model and engine
Browse Immobilizer relay parts for Mercedes-Benz
Mercedes-Benz Immobilizer relay — buying guide
Finding the right immobilizer relay for your Mercedes-Benz is essential for safe and reliable driving. We offer a wide selection from leading manufacturers, all with TecDoc-verified fitment for your specific vehicle.
When choosing immobilizer relay for your Mercedes-Benz, consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.
All immobilizer relay listed on this page are confirmed compatible with Mercedes-Benz. Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.
Frequently Asked Questions
What immobilizer relay fits a Mercedes-Benz?
We stock immobilizer relay options compatible with Mercedes-Benz vehicles. Use the vehicle selector above to narrow by model and engine for confirmed TecDoc fitment. All parts are verified to match Mercedes-Benz specifications.
How do I choose the right immobilizer relay for my Mercedes-Benz?
Start by selecting your exact Mercedes-Benz model and engine above. This filters to parts with confirmed fitment. Compare options from leading brands. Check specifications like dimensions and material to match your driving needs.
Are aftermarket immobilizer relay parts as good as OEM for Mercedes-Benz?
Quality aftermarket immobilizer relay from brands like are manufactured to meet or exceed OEM specifications for Mercedes-Benz vehicles. Many use identical materials and production processes. All parts listed include TecDoc-verified fitment data.
How often should immobilizer relay be replaced on a Mercedes-Benz?
Replacement intervals for immobilizer relay vary by Mercedes-Benz model, engine, and driving conditions. Consult your Mercedes-Benz owner's manual for manufacturer-recommended service intervals. Common signs of wear include changes in performance, unusual noises, or dashboard warning lights.
