Mercedes 0205455432 ECU Control Unit Base Module - | R129 SL W140 V140 C140 S

Buying The Right Part
1. Use the part number. Nearly every Mercedes-Benz part has a 10 digit part number stamped or engraved on it (e.g. A1298203026 or 1298203026). If this item's part number matches yours, then then the part will fit your car.

If we don't have your number in stock, we may have a superseded part which is still compatible with your car, so please message us and we will diagnose this for you.

2. No part number, or still not sure? No problem, just contact us with the following information:

1. Your car (either chassis/VIN number, UK REG number, or the vehicle's model and year)
2. Your part (part number, function, location and/or description)
3. The problem (e.g 'soft top roof not retracting' or 'ASR light turns on randomly')  

Then our experienced support team will diagnose this for you. In the absence of a part number we will assist as best we can, but please make sure that you're satisfied before buying.

Photos
Please inspect the photos carefully. In most cases you will receive the exact product pictured, but in some instances the listing photos only serve to represent our typical stock.

The R129 Co is a UK-based team of auto enthusiasts selling parts and products for Mercedes-Benz sports cars and luxury vehicles. Cars that we ourselves love and drive everyday.

Our parts are of predominantly original Mercedes-Benz or OE (Original Equipment) brand, the use of which best retains the integrity and resale value of these cars. We sell parts of mostly pre-owned condition which often provides a lifeline when their new equivalent is unavailable or unaffordable.

We strive to make buying pre-owned feel like buying new, so our stock is inspected, tested, cleaned, photographed honestly and stored professionally; then our online listings are catalogued accurately. When dispatching, we pack our orders securely with good padding and correct labelling. And our warranty and returns policies are simple and robust for peace of mind.

We're always looking to improve! Your feedback is most welcome. If you've had a good experience with us, why not help other enthusiasts to find us by dropping us a quick review on Google? Also be sure to sign up for our monthly newsletter for enthusiasts and follow us on Instagram.

We hope to see you soon.

Estimated Delivery Times

Daily order cutoff time: 12pm GMT/UTC Monday to Friday (7am EST / 8pm UTC+8)

UK Mainland	Next business day
UK Non-Mainland	1-2 business days (British Isles, The Highlands, Northern Ireland & parts of Scotland)
North America	2-5 business days
Western Europe	2-5 business days
Eastern Europe	2-6 business days
Asia	4-6 business days
South America	4-9 business days
Middle East	4-9 business days
Africa	4-9 business days
Australasia	4-9 business days

Couriers
We use couriers with whom we have built trustworthy relationships with over a number of years. We maintain close contact with them so we can address any potential consignment issues immediately. Our couriers of choice are currently UK Mail, DHL and UPS. For oversized products and any orders using pallet or freight, we may use a different courier, but they will be of equally high standard.

Tracking
Tracking info will be emailed to you as soon as your order is dispatched.

PO Boxes
Unfortunately we do not ship to PO Boxes.

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 Easy Delivery
For products marked Easy Delivery in the product description, the product benefits from same day dispatch, ultra-fast shipping and no import costs, guaranteed. There will be no extra charges for door-to-door delivery, guaranteed. This was implemented at the start of 2024 so that all of our customers worldwide can enjoy a frictionless, worry-free buying experience.

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 Oversized
For products marked Oversized in the product description:

UK Address: £65 delivery via bespoke courier.

Non-UK Address: Contact us before or after checkout to receive an additional bespoke delivery quote. Delivery time will vary depending on the bespoke delivery service arranged. As the importer of goods you are responsible for paying any import charges as well as providing all documentaion specifically required by your country.

Be sure to provide the following to avoid customs delay or failure:

• Email address (required)
• Phone number (required
• EORI or Tax Identification Number / Personal Tax Number (if applicable)
• Any valid import permit or similar documentation as required by your country's customs authority

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 Collect-Only
Products marked Collect-Only in the Description tab must be collected from us in-store in southeast England, UK.

All collection times must be arranged and confirmed with us prior to your arrival. We are open 9am - 5pm Monday to Friday.

The collection address is The R129 Co, Ellison Court, Sissinghurst Road, Biddenden, Kent, TN27 8DT, United Kingdom.

Note: We hold items for 30 days from order date before imposing a daily storage charge.

Cancellations
We can cancel orders before they are dispatched, just let us know.

Returns
Returns Seal
Some products will arrive sealed inside a spacious transparent bag with a returns seal closing it shut; please immediately inspect the product for defects or differences without opening the bag. If the returns seal is broken (or the bag is damaged or ripped), and you wish to return the product, it can only be processed as a warranty claim (see Warranty below).

Returns Scenarios

• My order is damaged in transit by the courier.
  Within 5 days of delivery (this timeframe is set by our couriers), email us with photos of the damage. These photos must include multiple angles of both the inside and outside of the box (including a photo of the shipping label attached to the box), all of the packaging material used, and the damaged product from multiple angles (placed both inside and outside of the packaging). Once we have confirmed the presence of the damage, we will resend your product free of charge or refund you in full.
  
  
• I have not received what I ordered.
  Within 14 days of delivery, email us with photos of the product. Any returns seals must not have been broken (see Returns Seal above). Once we confirm the mistake, we will exchange the item for the correct one free of charge, and will cover all delivery costs spent returning the incorrect product to us including taxes and import fees.
  
  
• I've changed my mind and want to return a part.
  You must dispatch the returned goods within 30 days of the original order purchase date. First email us requesting a return, or go to Account > Orders > 'Return Items'. Any returns seals must not have been broken (see Returns Seal above). Customers must pay for return delivery costs including taxes and import fees. Once we receive your product we will refund you for the cost of the product less a 20% handling fee, and less the original delivery costs if any.
  
  
• My product is damaged on arrival.
  Please contact us right away with photos and/or videos of the issue and we will assist you.
  
  
• I have fitted a part to my vehicle but it is faulty.
  Please see Warranty below.

Contact us if you have any further questions about returns.

Warranty

Our products are covered by a minimum three month warranty period at no additional charge - see product description for warranty length. (The warranty period begins on the date of dispatch, which can be found in your order confirmation email.)

If your product has become defective and is within its warranty period, contact us right away and we'll ask you to send it to us for inspection. When sending such items to us, customers must pay for delivery costs including taxes and import fees. Following inspection we will replace the product with the same one free of charge.

Warranty is void where damage has been sustained by the customer, which includes water damage, or evidence of incorrect use or fitment that may directly or indirectly have led to any components’ failure. Where relevant we will ask for written evidence of the procedure used to fit the part and the qualifications of the fitter.

Contact us if you have any further questions about warranty, including extending your warranty period if you would like to.