Contact
Thermostat
Thermostat

6462030275 Thermostat for Mercedes-Benz C-Class E-Class S-Class W204 W211 W220

Thermostat – 6462030275

OEM thermostat for Mercedes-Benz C-Class W204/S204, E-Class W211/S211, S-Class W220.
Part No: 646 203 02 75
Direct replacement diesel engine cooling part.

Get Instant Quotes

🌡️ Mercedes-Benz Diesel Thermostat – OEM 6462030275

Maintain precise engine temperature control in your Mercedes-Benz diesel with the
COWIN OEM-Standard Thermostat. This unit (Ref: 646 203 02 75)
is engineered for the OM646 engine family, widely used across C-Class, E-Class, and S-Class models.

✅ Key Features & Benefits

  • Diesel Engine Specialist: Designed specifically for OM646 engines.
  • OEM Replacement: Direct fit for part number 646 203 02 75.
  • Stable Cooling: Prevents overheating and maintains optimal operating temperature.
  • Durable Construction: Built to withstand high-pressure diesel engine environments.

🚗 Vehicle Compatibility

Brand Model Chassis Code
Mercedes-Benz C-Class W204
Mercedes-Benz C-Class T-Model S204
Mercedes-Benz CLC-Class CL203
Mercedes-Benz E-Class W211
Mercedes-Benz E-Class T-Model S211
Mercedes-Benz S-Class W220

⚙️ Technical Specifications

  • Product: Thermostat
  • OEM Part Number: 646 203 02 75 / 6462030275
  • Material: Reinforced Polymer / Metal Flange
  • Quality: 100% Tested & Calibrated

🛠️ Installation Note

Mercedes-Benz diesel engines require thorough cooling system bleeding after thermostat replacement.
Always replace the housing gasket and inspect coolant lines for wear or leaks.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in European executive and diesel vehicle cooling systems.
Every thermostat is factory-tested for accurate performance and long-term reliability.

Custom product FAQs

cowin is a leading enterprise in China’s auto parts industry. We adhere to professional technologies, high-performance products and excellent after-sales service to meet the needs of customers worldwide. cowin China will strive to be your one-stop supplier. Put forward your specific requirements, and we will work with you to find solutions!

Yes, we can provide a one-year warranty for each product, so you can sell without any worries.

You can add your logo to our product, and all these can be customized according to your needs.

Yes, please provide product design drawings and size requirements.

 

Products in stock can be delivered within 7 days, while the lead time for mass production is 30-60 days after receiving the deposit.

 

The delivery lead time shall take effect under the following conditions: (1) We have received your deposit; (2) We have obtained your final confirmation of the products.

 

If our delivery lead time cannot meet your deadline, please communicate your specific requirements with your sales representative.

 

In all cases, we will make every effort to meet your needs, and we can do so in most instances.

Yes, we always use high-quality export packaging. For dangerous goods, we also apply professional dangerous goods packaging; professional packaging and non-standard packaging requirements may incur additional costs.

We have professional service team,we will keep update information about production/packing/shipping/delivery when you place an order.

Customers Also Searched

A professional Chinese supplier of multi-functional products including automotive exterior parts, engine parts, chassis parts, etc. We provide you with several alternative solutions below.

Wholesale / Bulk Price 2017 – 2022 TESLA MODEL 3 REAR LEFT SIDE CONTROL ARM SET OF 5 OEM 104445100F

Rear Lower Aft Link Assembly – 1044451-00-F (LEFT & RIGHT Compatible)
NEW OEM-standard rear lower aft link for Tesla Model 3 (2017–2023) and Model Y (2020–2024).
Position: Rear Axle Lower Aft Control Arm – Fits Both Left (LH) and Right (RH) Sides
OE Reference: 1044451-00-F, 1044451-00-E, 1044451-00-D
Material: High-strength steel with proprietary rust-inhibitive coating and premium rubber bushings.
Direct bolt-on replacement to restore rear suspension geometry, eliminate clunking and improve handling stability.

## 详情页 HTML 代码

Read More »

OE Standard / High Performance 2018 Tesla Model 3 Rear Lower Fore Link 1044444-00-A

Rear Lower Fore Link – 1044444-00-A (LEFT & RIGHT Compatible)
NEW OEM-standard rear lower fore link for Tesla Model 3 (2017–2023) and Model Y (2020–2024).
Position: Rear Axle Lower Forward Control Arm Link – Fits Both Left (LH) and Right (RH) Sides
OE Reference: 1044444-00-A, 1044444-00-B, 1044441-00-F
Material: High-strength forged aluminum alloy/steel with premium rubber bushings.
Direct bolt-on replacement to restore rear suspension geometry, eliminate clunking and improve handling stability.

Read More »

OE Standard / High Performance 12-20 Tesla Model S X Rear Left Suspension Upper Control Arm Link 1027421-00-E

Rear Upper Link Assembly – 1027421-00-E (LEFT & RIGHT Compatible)
NEW OEM-standard rear upper link assembly for Tesla Model S (2012–2020) and Model X.
Position: Rear Axle Upper Control Arm / Upper Link Assembly
OE Reference: 1027421-00-E, 1021418-00-A, 1027426-00-C
Material: High-strength forged aluminum alloy with premium rubber/PU bushings & ball joints.
Direct bolt-on OEM replacement to restore suspension geometry and eliminate clunking.

Read More »

One-Stop Supplier Rear axle stabilizer bar left/right 1027491 00 A Compatible with Tesla Model X

Rear Stabilizer Bar Link (Sway Bar End Link) – 1027491-00-A (LEFT & RIGHT Compatible)
NEW OEM-standard rear stabilizer bar link for Tesla Model X (2015–2023).
Position: Rear Axle Stabilizer Link / Sway Bar End Link – Fits Both Left (LH) and Right (RH) Sides
OE Reference: 1027491-00-A
Material: High-strength iron/steel with corrosion-resistant coating.
Direct bolt-on replacement to eliminate rear-end clunking noises and restore suspension stability.

Read More »

Suspension Rod Front L or R Stabilizer Links Sway Bar Link Tie Rod End for 2014-2020 TESLA Model S 1030603 00 B 103060300B 100% Tested

Front Stabilizer Bar Link (Sway Bar End Link) – 1030603-00-B (LEFT & RIGHT Compatible)
NEW OEM-standard front stabilizer bar link for Tesla Model S (2014–2020).
Position: Front Axle Stabilizer Link / Sway Bar End Link – Fits Both Left (LH) and Right (RH) Sides
OE Reference: 1030603-00-B, 103060300B, 1030603-00-A, 1030603-00-C
Material: High-strength powder-coated steel with pre-installed sealed ball joints and rubber dust boots.
Direct bolt-on replacement to eliminate front-end clunking noises and restore suspension stability.

Read More »

One-Stop Supplier 2012-2018 Compatible With Tesla Model S Rear Right/Left Lower Control Arm Oem 6006774-00-B 600677400B

Rear Lower Control Arm – 6006774-00-B (LEFT & RIGHT Compatible)
NEW OEM-standard rear lower control arm for Tesla Model S (2012–2018) and Model X.
Position: Rear Axle Lower Control Arm – Fits Both Left (LH) and Right (RH) Sides
OE Reference: 6006774-00-B, 600677400B, 1021416-00-D, 1027451-00-F
Material: High-strength forged aluminum alloy with premium rubber/PU bushings & ball joint.
Direct bolt-on replacement to restore rear suspension geometry, eliminate clunking and improve handling stability.

Read More »

Contact us

logo

Get More Benefits Since Submit The Info Form

*We respect your confidentiality and all information are protected.

Contact Us Right Now, Get Reply Today.

I’m Leo, the head of sales team at Cowin . Me and my team would be happy to meet you and learn all about your business, requirements and expectations.
Carson
Paul
Tom