Mercedes-Benz C E Class W202 W203 W210 M111 Gearbox Flywheel Starter Ring

Mercedes-Benz C E Class W202 W203 W210 M111 Gearbox Flywheel Starter Ring is a component from the Flywheels and gears category, designed for drivetrains with the M111 engine in popular Mercedes C-Class and E-Class models. This used component allows for an economical yet technically sound repair of the drivetrain, maintaining the operating characteristics specific to factory solutions. It is a practical choice for workshops and users who expect a proven part with stable performance parameters.

Specifications and technical data

• SKU: A1110300612
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1110300612
• Substitutable numbers: A1110300612, A 111 030 06 12
• Offset (ET):
• Category: Flywheels & Flexplates

Purpose and compatibility

The presented flywheel is dedicated to the M111 engine family used in Mercedes W202, W203, and W210 models. By maintaining the original geometry and operating characteristics, the component works with the factory clutch and starter system, ensuring proper torque transfer from the engine to the gearbox.

The flywheel in this group is crucial for stabilizing idle speed, smooth starting, and reducing torsional vibrations throughout the drivetrain. A properly selected component helps avoid unwanted vibrations, knocking, and jerking during gear changes and dynamic acceleration.

Technical and functional characteristics

Flywheels used in M111 engines are responsible for:

• storing the kinetic energy of the crankshaft,
• smoothing out the uneven operation of the four-cylinder gasoline unit,
• stable cooperation with the clutch disc and pressure plate,
• proper meshing with the starter ring gear.

The properly selected ring gear profile and flywheel mass influence engine refinement, gear shifting comfort, and the durability of other drivetrain components. In the case of tuning or drivetrain upgrades, maintaining the correct type of flywheel is essential to avoid problems with starting and excessive load on the gearbox.

Condition, verification, and practical application

The offered flywheel is a secondary market component, which allows for reduced repair costs while maintaining the factory design. Before installation, a standard workshop inspection is recommended, including an assessment of the working surface for the clutch disc, the condition of the ring gear, and any potential radial runout. Such an approach facilitates trouble-free installation and long-term operation in daily use.

Replacing the flywheel is particularly recommended when symptoms such as noticeable vibrations during starting, noise during engine startup, or visible overheating of the clutch working surface occur. Using a part matched to the M111 engine in W202, W203, and W210 bodies allows for restoring proper drivetrain refinement without the need for costly modifications.

Mercedes flywheels and gears – drivetrain expansion

If you are planning a comprehensive repair or upgrade of the engine and drivetrain area in your Mercedes and need other elements from the same group, such as additional gears, idler gears, or components cooperating with the starter, check the available parts in the Mercedes flywheels and gears category.

Used parts vs. tuning and modernization

In the case of modernization projects or light mechanical tuning, using a used flywheel can be a reasonable compromise between costs and maintaining factory characteristics. With proper component selection, it is possible to achieve predictable drivetrain behavior without the risks typical of randomly selected replacements with unknown specifications.

If you are considering a wider range of modifications and want to consciously combine secondary market components, it is worth familiarizing yourself with practical tips regarding the selection and assessment of such components – you will find them in the article The best used parts for tuning your car, which discusses the approach to tuning using proven, used sub-assemblies.