




We're verifying exact measurements to ensure accurate shipping costs and delivery times for your location. (Except UAE)
Contact our sales team to get an exact quote
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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
For orders delivered within Dubai and Sharjah, we offer free delivery on all items.
For all other Emirates and international locations, shipping charges are calculated based on the plan you choose during checkout.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
| Model | Engine / Application | Year Range |
|---|---|---|
| Mercedes-Benz models originally fitted with this relay | Vehicle electrical system — relay application varies by model, circuit and relay position | Confirm by VIN |
Technician’s Advisory: Before replacing a relay, confirm it is the cause: check the fuse for its circuit, inspect the relay socket for heat discolouration or spread terminals, and only ever substitute a relay with the identical part number for testing — look-alike relays can have different internal circuitry, including diodes.
Important: This genuine Mercedes-Benz part is listed by OE part number A0009820123. Exact compatibility depends on the model, production date, equipment level and relay position. Send your complete VIN to the European Autospares parts team and we will verify this is the correct part for your vehicle.
Yes. The A0009820123 is a genuine Mercedes-Benz OE electrical relay — the original component made to the factory’s pin layout, current rating and switching specification. It is not a universal aftermarket relay. Using the exact genuine relay matters because relays that look identical can have different internal circuitry.
Intermittent faults are the classic sign: a pump, fan or electrical consumer that works sometimes and not others, circuits that fail when hot and recover when cool, clicking from the relay box, or a component that only runs when the relay is tapped. Heat and contact wear inside the relay cause most of these behaviours.
Relay applications vary by model, year, equipment and relay position, so always confirm with your VIN before ordering. Match the part number printed on your old relay as well. Send your full VIN to our parts team and we will verify the A0009820123 against the factory catalogue and your car’s relay layout before you buy.
Only with an identical part number. Two relays can share a housing and pin shape but differ internally — some contain diodes or resistors — so swapping a look-alike relay can give misleading results or damage a circuit. Testing by substitution is valid only when the donor relay carries the exact same Mercedes-Benz number.
This brand-new genuine part is covered against manufacturing defects, and your statutory consumer rights apply in the UAE. If the part arrives damaged or is incorrect due to our error, we will replace or refund it. We recommend VIN verification before ordering — contact us first if you are unsure about fitment.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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| Producto | SKU | Descripción | Recopilación | Disponibilidad | tipo de producto | Otros detalles |
|---|
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