Throttle Bracket Mercedes W202 R170 M111 Intake Manifold Throttle Body Mount

Mercedes W202 R170 M111 Throttle Body Bracket Mount is a precise engine component, responsible for the stable and secure mounting of the throttle body. Thanks to its factory geometry and compatibility with the M111 unit, it ensures reliable throttle control and proper interaction with the intake system and engine management. A used OEM part is a sensible choice for servicing or repair when compatibility with the original Mercedes design is paramount.

Specifications and technical data

• SKU: A1111410344
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111410344
• Substitutable numbers: A1111410344, A 111 141 03 44
• Fuel type: Petrol
• Category: Engine Oil Coolers & Lines

Purpose and Function in the Intake System

The throttle body bracket mount in the M111 engine is responsible for the rigid connection of the throttle body to the engine unit and its accessories. In Mercedes W202 and R170 vehicles, stable mounting is crucial for:

• maintaining the correct position of the throttle body relative to the intake manifold,
• ensuring consistent operation of the throttle mechanism during load changes,
• reducing vibrations transmitted to control elements and sensors,
• maintaining the airtightness of connections in the intake system.

In a gasoline engine, any uncontrolled movement of the throttle body can affect the air intake, and consequently, the engine's running smoothness. A stable mounting bracket helps maintain correct operating parameters and facilitates the diagnosis of potential faults.

Compatibility with M111 Unit and Mercedes Vehicles

The presented bracket has been designed for the M111 engine used in Mercedes W202 and R170 gasoline models. This means that the mounting geometry, hole spacing, and contact surface shape are adapted to the factory mounting points in these designs.

As a result, this part can be used for a standard replacement of a worn bracket, as well as for repairs after a collision, intervention in the intake system, or replacement of the throttle body with another from the same engine family. Original Mercedes origin promotes the preservation of factory rigidity and proper fit with other components.

Role in the Oil Coolers and Hoses Category

Although the throttle body bracket is not a direct cooling element, in Mercedes vehicles it often works in conjunction with components from the Oil Coolers and Hoses group. Stable mounting of engine accessories reduces unwanted stress on oil lines and other service lines routed near the throttle body and engine block.

In practice, this means a lower risk of micro-cracks, abrasions, or leaks in hoses resulting from excessive vibrations. A properly selected throttle body bracket therefore supports the overall durability of the lubrication and oil cooling system, especially in urban driving and with frequent load changes.

Characteristics of a Used OEM Part

The offered throttle body bracket mount is a used part, sourced from a dismantled Mercedes vehicle. This type of part retains its factory geometry and is a good solution wherever compliance with the manufacturer's original design is a priority. Compared to low-cost aftermarket alternatives, a used OEM component usually fits better into the existing mounting system and does not require modifications.

When replacing the bracket, it is worth paying attention to the condition of the threads, mating surfaces, and proper tightening of the bolts according to service recommendations. A correctly installed bracket minimizes the risk of play, noise, and unwanted vibrations in the area of the throttle body and engine accessories.

Technical Support and Additional Materials

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as oil hoses, oil cooler mounts, or hose guides, check the available parts in the Mercedes Oil Coolers and Hoses category.

To better understand the impact of engine accessories and mounting elements on the engine's operating temperature and component durability, we recommend reading the guide on our blog: Engine Cooling System – Overheating, Repair, and Used Coolers. There you will find practical tips on diagnosing overheating and the role of the oil cooler in engine protection.