Mercedes W169 W245 M266 Engine Timing Case Housing Cover A2660150002

Mercedes W169 W245 M266 Engine Timing Case Housing Cover is a precision timing drive component, designed specifically for M266 units in A-Class and B-Class models. Its robust construction ensures stable chain or belt guidance and proper sealing of the timing compartment, which translates into safe and predictable engine operation. This solution is dedicated to users looking for proven, original mounting geometry for their Mercedes.

Specifications and technical data

• SKU: A2660100033
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2660100033
• Substitutable numbers: A2660100033, A 266 010 00 33, A2660150002, A 266 015 00 02
• Category: Timing Covers

Purpose and function in the timing system

The timing case housing in the M266 engine is responsible for covering drive components such as the chain or belt, guides, and sprockets. Its tasks include:

• maintaining the correct geometry of the timing system operation,
• protection against external contaminants,
• limiting oil leaks from the timing chamber,
• dampening noise generated by the operating drive.

By maintaining factory mounting points and shape, the Mercedes W169 W245 M266 Engine Timing Case Housing Cover allows for proper fitment with the engine block, valve cover, and other auxiliary components.

Technical category: Timing chain and belt covers

The presented item belongs to the Timing chain and belt covers group, i.e., components responsible for securing and stabilizing the entire timing drive. In practice, this means that it:

• influences the durability of the chain or belt by protecting it against dust and moisture,
• facilitates maintaining the tightness of the lubrication system in the front part of the engine,
• ensures correct guidance of drive components along the axis of operation.

Selecting the right housing in this category is crucial during any intervention in the timing system – both during repairs and during a complete engine rebuild.

Benefits of using an original timing case housing

Using a factory housing in the M266 engine brings a number of practical assembly and operational benefits:

• Precise fit – original mounting points are preserved, which facilitates installation and minimizes the risk of leaks.
• Consistency with other system components – the housing works with factory seals, timing gears, and front engine accessories.
• Stable drive operation – proper guidance and covering of the chain or belt reduces the risk of premature wear.
• Suitability for professional repairs – the part is suitable for use in brand-specialized workshops, where compliance with technical documentation is essential.

Product characteristics and condition

The Mercedes W169 W245 M266 Engine Timing Case Housing Cover comes from the Mercedes brand, which guarantees the preservation of factory design and compatibility with units used in W169 and W245 models. The item is offered as a used part, which allows for economical repair while maintaining the original mounting specification. This type of solution is particularly attractive for comprehensive overhauls of older vehicles, where both cost and technical correctness of execution are important.

Technical support and additional materials

When working on the timing drive, it is worth expanding your knowledge about typical signs of wear and component selection principles. A guide material regarding timing system servicing in other units, such as the BMW N47, may be helpful – you will find practical tips there regarding diagnostics, costs, and the selection of used parts: BMW N47 timing chain – typical failure and repair using original BMW parts.

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 housings, covers, or drive shields, check the available parts in the Mercedes timing chain and belt covers category.