Mercedes W213 Diesel OM654 EGR Valve Exhaust Recirculation Cooler A6541400460

Mercedes W213 Diesel OM654 EGR Valve Exhaust Recirculation Cooler is an exhaust gas recirculation system component designed for OM654 diesel engines used in E-Class W213 generation models. This used, original valve from the EGR Valves and Parts category allows for restoring the proper operation of the power unit, stabilizing exhaust emissions, and ensuring the correct functioning of engine control strategies in diesel-powered Mercedes vehicles.

Specifications and technical data

• SKU: A6541400460
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6541400460
• Substitutable numbers: A6541400460, A 654 140 04 60, KZ
• Fuel type: Diesel
• Category: EGR Parts & Valves

Function and role of the EGR valve in the Mercedes W213 with the OM654 engine

The EGR valve in the OM654 diesel engine is responsible for the controlled supply of exhaust gases to the intake manifold, which helps lower combustion temperatures and reduce nitrogen oxide emissions. In a properly functioning exhaust gas recirculation system, the engine control unit precisely doses the amount of exhaust gas directed back into the cylinder, which affects:

• stable operation of the power unit across the full load range,
• compliance with exhaust emission standards,
• proper functioning of engine operating modes and onboard systems.

A functional EGR valve is particularly important in modern diesel units, where the mixture control and boost pressure strategy are closely linked to exhaust gas recirculation.

Benefits of using an original EGR valve

Using an original component from the EGR Valves and Parts category in a Mercedes W213 with an OM654 engine allows for maintaining the factory operating parameters of the powertrain. Compared to aftermarket replacements, the original component ensures:

• precise fitment to the manifold and intake system hoses,
• proper cooperation with the factory engine control unit software,
• appropriate exhaust gas flow characteristics across the entire RPM range.

This reduces the risk of control unit errors, the engine entering limp mode, and the malfunction of systems responsible for exhaust gas treatment. This is a particularly beneficial solution for users who want to keep their car in a configuration close to the factory state.

Designed for diesel engines

The presented EGR valve is designed for Diesel power units, meaning its construction, flow characteristics, and control method have been optimized for the specifics of diesel engines. In practice, this translates into:

• proper cooperation with the turbocharger and fuel injection system,
• stable boost pressure and intake air mass values,
• reduction of smoke and idle speed fluctuations.

For users of Mercedes vehicles with the OM654 engine, this is an essential element for maintaining the engine's refinement and preserving predictable throttle response.

Condition, fitment, and installation aspects

The offered EGR valve is a used item, which, in the case of original components for premium cars, often represents a reasonable compromise between cost and quality. This type of part, sourced from dismantling, allows for:

• maintaining the original exhaust gas recirculation system specification,
• reducing repair costs compared to a new component,
• maintaining high compatibility with the factory installation.

Before installation, it is recommended to perform a standard verification of the intake and exhaust system, as well as check the tightness of the hoses and the correct operation of other EGR system components to fully utilize the potential of the installed part.

Used originals and current service trends

In the context of rising costs for new components for premium cars, used original EGR system parts are gaining increasing importance. They allow for maintaining a high level of reliability while reducing service expenses. If you want to better understand why such solutions are currently so popular among owners of premium car brands, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as valves, exhaust coolers, or recirculation hoses, check the available parts in the Mercedes EGR Valves and Parts category.