Mercedes W203 W204 C209 W211 M271 Petrol Engine Oil Pump A2710340203

Mercedes W203 W204 C209 W211 M271 Petrol Engine Oil Pump is an original component from the Oil pumps and parts category, designed for M271 petrol engines used in popular C-Class and E-Class models. A used oil pump allows for an economical yet technically sound repair of the lubrication system, while maintaining Mercedes factory standards.

Specifications and technical data

• SKU: A2710300771
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2710300771
• Substitutable numbers: A2710300771, A 271 030 07 71, A2710340203, A 271 034 02 03
• Fuel type: Petrol
• Category: Oil Pumps & Parts

Application in M271 petrol engines

The presented oil pump is designed for M271 series petrol engines installed in Mercedes W203, W204, C209, and W211 models. It is responsible for maintaining proper oil pressure throughout the lubrication system, which is crucial for the durability of the crankshaft, bearings, timing system, and cylinder head components. Using a component that meets the manufacturer's requirements minimizes the risk of pressure drops, overheating of mating parts, and accelerated wear of the engine unit.

Design and technical characteristics

The oil pump for the M271 engine operates in a pressurized lubrication system, drawing oil from the sump and pumping it into the oil channels of the block and cylinder head. The design is optimized for:

• stable pressure maintenance across a wide engine speed range,
• compatibility with the M271 timing and accessory drive system,
• effective lubrication of components operating at high temperatures.

Thanks to the factory design, the pump maintains appropriate efficiency during cold starts as well as during prolonged operation at higher RPM ranges, which is important for both city and highway driving.

Benefits of using an original Mercedes oil pump

Choosing an original oil pump from dismantling is a solution that allows you to balance cost control with maintaining the parameters specified by the manufacturer. The most important advantages include:

• Factory fit for the M271 engine – no modifications required, compatibility with the lubrication system and pump drive.
• Consistency with the characteristics of the petrol unit – proper efficiency and oil pressure under typical operating conditions.
• Possibility of direct installation in place of a worn component – facilitates workshop work and reduces repair time.

For the user, this means stable engine operation, reduced risk of seizure, and more predictable service costs in the long term.

Selection and installation in workshop practice

When replacing the oil pump in an M271 engine, it is crucial to match the component to the specific engine version and follow the manufacturer's installation procedures. In workshop practice, it is worth paying attention to:

• checking the condition of the lubrication system (oil channels, oil pickup, seals),
• selecting the appropriate engine oil in accordance with Mercedes standards,
• proper system venting after installation.

This approach allows you to fully utilize the potential of the used oil pump and reduce the risk of needing further intervention in the lubrication system. For vehicle owners, this means more predictable operation and less strain on the service budget.

If you are planning a comprehensive repair or upgrade of your Mercedes engine area and need other components from the same group, such as pump housings, drives, or pressure control elements, check the available parts in the Mercedes oil pumps and parts category.

Safety, economy, and used parts

Choosing a used oil pump is a reasonable compromise between costs and maintaining the engine's performance parameters. A properly selected component from dismantling allows you to restore the efficiency of the lubrication system without the need to invest in a new subassembly. In the context of the entire vehicle, it is particularly important that other key systems – such as the braking system – are also serviced using verified components. You can find more about the safe selection of reclaimed elements in critical vehicle systems in the article Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing verified reclaimed parts.

If you want to better take care of the durability of your petrol engine and other components from dismantling, it is worth learning practical tips regarding operation and maintenance. Proven methods are described in the guide How to extend the service life of used car parts?, which will help optimize the daily operation of your Mercedes.