Camshaft Locking Alignment Timing Tool Kit - Mercedes M133 M270 M274

In this review of the Camshaft Locking Alignment Timing Tool Kit the bottom line is simple: this 15-piece set is aimed at DIY mechanics and independent shops that work on Mercedes Benz engines M133, M270 and M274 and need a compact, focused solution for camshaft removal and reassembly. The kit's single biggest selling point is that it holds camshafts securely during timing work, reducing the risk of misalignment when loosening or tightening camshaft gear bolts. It is a practical, tool-focused kit rather than a full engine overhaul set.

Key Features

• Compatibility: Designed specifically to fit Mercedes Benz M133, M270 and M274 engines, which helps ensure correct alignment for those models.
• Complete 15-piece set: Includes 2 camshaft retaining clamps, 4 small clamps, 8 fixed screws, 1 camshaft sleeve and gloves, providing the core parts needed for camshaft work.
• Carry case included: A molded carrying case keeps the tools organized and protected for transport or storage between jobs.
• OEM reference alignment: Matches BENZ OEM ref 270 589 00 61 00, so users can be confident it follows the expected layout for factory-style procedures.
• Corrosion protection: The parts have anti-rust treatment to extend service life when stored or used in workshop environments.
• Gloves supplied: A simple convenience that helps keep hands clean and parts free of oils during installation and removal.

Who It's For

This kit is best for experienced home mechanics, mobile technicians and small repair shops that regularly service Mercedes Benz cars with M133, M270 or M274 engines and need a compact, model-specific camshaft holding solution. It fits into a toolbox and speeds up the specific task of holding camshafts steady while slackening or tightening the camshaft gear bolts.

It is not a universal timing kit for every make and model and is not a substitute for a full engine timing toolset that covers crankshaft locking, tensioner locking and other related components. Users who require heavy-duty bolts or frequent industrial use may want a higher-grade professional set.

Pros & Cons

Pros

• Model-specific compatibility with M133, M270 and M274 engines simplifies alignment work.
• Compact 15-piece layout with carrying case keeps parts organized and portable.
• Anti-rust treatment and gloves add longevity and convenience for workshop use.

Cons

• Several customers reported bolt failures under load, so bolts may be a weak point for heavy or repeated use.
• Not a full engine timing kit; additional tools are required for complete timing service on some jobs.

Specifications

Brand	Yuesstloo
Compatible engines	Mercedes Benz M133, M270, M274
OEM reference	For BENZ OEM ref 270 589 00 61 00
Kit contents	2 retaining clamps, 4 small clamps, 8 fixed screws, 1 camshaft sleeve, 1 pair gloves
Pieces	15 pcs
Case	Carrying case included
Material treatment	Premium material with anti-rust treatment

Our Verdict

The Yuesstloo Camshaft Locking Alignment Timing Tool Kit is a focused, value-minded option for anyone working specifically on M133, M270 or M274 Mercedes engines. It holds camshafts securely, is portable in its case and includes useful consumables, but buyers should be aware that a few bolts have failed in practice so upgrading bolts for heavy professional use may be wise. For occasional to moderate use it represents good value for money.

Frequently Asked Questions

Is this kit compatible with my engine?
Yes, it is designed for Mercedes Benz M133, M270 and M274 engines and references BENZ OEM ref 270 589 00 61 00.

Does the kit include everything needed for a full timing service?
No, it covers camshaft locking and alignment parts but additional tools are typically required for a complete timing service.

Are the bolts durable?
The kit uses treated parts, but some customers reported bolt breakage under heavy use, so consider replacing bolts for repeated professional work.