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Behr Thermot-Tronik TX 22 84D - Engine Coolant Thermostat
Product Overview
The Behr Thermot-Tronik Engine Coolant Thermostat TX 22 84D is a premium quality component engineered to meet OEM standards, ensuring optimal performance for your Mercedes-Benz vehicle. This thermostat is designed to regulate engine temperature, providing efficient cooling and preventing overheating, which is vital for maintaining your engine's health and performance. Choose Behr Thermot-Tronik TX 22 84D for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Behr Thermot-Tronik TX 22 84D is equivalent to or replaces the following part numbers: 116 200 02 15, 003 203 82 75, 004 203 08 75.
Vehicle Compatibility
- Mercedes-Benz 380SE 3.8 V8 (1981–1985)
- Mercedes-Benz 380SL 3.8 V8 (1981–1985)
- Mercedes-Benz 380SEC 3.8 V8 (1982–1985)
- Mercedes-Benz 380SEL 3.8 V8 (1982–1985)
- Mercedes-Benz 500SEC 5.0 V8 (1984–1985)
- Mercedes-Benz 500SEL 5.0 V8 (1984–1985)
- Mercedes-Benz 380SLC 3.8 V8 (1981–1985)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Behr Thermot-Tronik TX 22 84D Engine Coolant Thermostat do?
The engine coolant thermostat controls the flow of coolant to maintain the optimal engine temperature. It opens and closes based on the engine's temperature, ensuring that the engine operates efficiently and reduces the risk of overheating.
How do I know if my Engine Coolant Thermostat needs replacement?
Common signs that your thermostat may need replacement include engine overheating, fluctuating temperature gauge readings, coolant leaks, and poor engine performance. If you experience any of these symptoms, it's advisable to inspect the thermostat for proper functionality.
Can I install the Behr Thermot-Tronik TX 22 84D myself?
Yes, the Behr Thermot-Tronik TX 22 84D can be installed as a DIY project if you have basic automotive knowledge and tools. However, it is essential to follow safety instructions and consult your vehicle's manual for proper installation procedures.
What are the symptoms of a faulty Engine Coolant Thermostat?
Symptoms of a faulty thermostat include engine overheating, erratic temperature readings, and reduced engine performance. If you see DTCs such as P0128 (Coolant Thermostat Temperature Below Thermostat Regulating Temperature) or P0118 (Engine Coolant Temperature Circuit High Input), it may indicate a failing thermostat.
Why should I choose Behr Thermot-Tronik for my Engine Coolant Thermostat needs?
Behr Thermot-Tronik is known for its high-quality and reliable automotive components. Order Behr Thermot-Tronik TX 22 84D today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBehr Thermot-Tronik
- ManufacturerBehr Thermot-Tronik
- MPNTX 22 84D
- Part TypeEngine Coolant Thermostat
- OE Part Numbers003 203 82 75, 0032038275, 116 200 02 15, 1162000215, 004 203 08 75, 0042030875
- Cross Reference NumbersTX2284D
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1984 | Mercedes-Benz | 380SE | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1984 | Mercedes-Benz | 380SL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1984 | Mercedes-Benz | 500SEC | Base (5.0 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1984 | Mercedes-Benz | 500SEL | Base (5.0 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1985 | Mercedes-Benz | 380SE | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1985 | Mercedes-Benz | 380SL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1985 | Mercedes-Benz | 500SEC | Base (5.0 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1985 | Mercedes-Benz | 500SEL | Base (5.0 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1982 | Mercedes-Benz | 380SEC | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1982 | Mercedes-Benz | 380SEL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1982 | Mercedes-Benz | 380SL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1983 | Mercedes-Benz | 380SEC | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1983 | Mercedes-Benz | 380SEL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1983 | Mercedes-Benz | 380SL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1981 | Mercedes-Benz | 380SEL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1981 | Mercedes-Benz | 380SL | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
| 1981 | Mercedes-Benz | 380SLC | Base (3.8 V8 GAS) | Notes: Discontinued - OE Quality, 84c with Gasket |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.




