Mercedes W211 S211 Vacuum Pump Unit OM646 Diesel Engine A6462300465
SKU: A6462300465
Product from a certified dismantling facility
Condition:
Used
Available:
2
Delivery time:
Estimated delivery in the country Germany between Wed, May 13 and Thu, May 14
Dispatched today if paid before 14:00
Payment methods:
Returns:
30 days return
Delivery from:
Free delivery
€32.95
1
Lowest price in the last 30 days: €32.95
Total for items
€32.95
Mercedes W211 S211 Vacuum Pump Unit OM646 Diesel Engine is a component from the Vacuum pumps group, designed for OM646 diesel engines in E-Class W211/S211 models. This used vacuum pump ensures stable generation of the vacuum required for the operation of brake booster systems and selected control actuators in Mercedes Diesel units.
Specifications and technical data
- SKU: A6462300465
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6462300465
- Substitutable numbers: A6462300465, A 646 230 04 65
- Fuel type: Diesel
- Part type: Vacuum Pump
- Category: Vacuum Pumps
Purpose and function in the vacuum system
The described vacuum pump is mounted on the OM646 engine and works with the braking system and vacuum control components. In Diesel engines, generating a sufficiently high and stable vacuum is crucial for the proper operation of the brake servo, as well as selected valves and actuators controlling the engine unit's operation.
In practice, a functional vacuum pump translates into:
- more reliable brake pedal response,
- stable operation of vacuum-controlled systems,
- reduced risk of errors associated with insufficient vacuum.
Compatibility with Mercedes W211 / S211 OM646
The pump has been designed to work with the OM646 unit in W211 and S211 bodies, which means it is a perfect match in terms of mounting, connections, and operating characteristics. As a result, it provides a solution that allows for maintaining the factory vacuum system concept without the need for modifications.
As an element from the Vacuum pumps group for Mercedes, this part is intended for diesel engines, where operational loads are higher than in gasoline units, and requirements regarding the tightness and efficiency of the vacuum system are particularly important.
Characteristics of the used vacuum pump
The offered pump comes from dismantling and is classified as a used part. Such components are frequently chosen for servicing older Mercedes W211/S211 vehicles, where a reasonable repair cost while maintaining proper functionality is a priority. A used vacuum pump allows for restoring the efficiency of the braking and vacuum control system without the need to invest in a new component.
Choosing an original, used pump from this group is particularly beneficial when you want to maintain compliance with factory specifications and ensure a perfect fit for the specific OM646 Diesel engine configuration.
Installation and operational tips
When replacing the vacuum pump in a Mercedes W211/S211, it is recommended to:
- check the condition of vacuum hoses and connectors,
- verify system tightness after installation,
- test the operation of the brake servo after the first test drives.
A properly selected and installed pump from the Vacuum pumps group helps to limit vacuum drops, which affects driving safety and the stability of the braking system in Mercedes cars with the OM646 engine.
System expansion and part selection by numbers
When servicing the fuel system and diesel engine accessories, it is worth paying attention to the correct selection of components based on catalog numbers and compatibility with the specific engine version. Detailed information on diagnostics, selection by VIN/OEM, and regeneration of fuel system components can be found in the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.
Other Mercedes Vacuum pumps
If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional vacuum pumps, mounting elements, or vacuum hoses, check the available parts in the Mercedes Vacuum pumps category.
Summary
Mercedes W211 S211 Vacuum Pump Unit OM646 Diesel Engine is a used component from the Vacuum pumps group, designed for OM646 diesel engines. It ensures the generation of the vacuum necessary for the proper operation of the braking system and selected control systems, providing a functional service solution for E-Class W211/S211 models with a Diesel engine.
Delivery details
Ship to: Germany
Check delivery times for another country
Delivery Price
Service
Postage and packaging
Delivery time
Estimated delivery in the country Germany between Wed, May 13 and Thu, May 14
Dispatched today if paid before 14:00
Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in Germany, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.











