INA ZG0185 Engine Timing Chain Guide - Left Lower or Lower

INA Timing Chain Guide for Mercedes-Benz

The INA ZG0185 timing chain guide is a direct-fit engine timing component for select Mercedes-Benz models with left lower or lower guide applications. Built to OE-quality standards, it uses plastic material formulated to match OEM PA66 and PA46 grade requirements for material hardness and durability.

Compatible With Mercedes-Benz G550, S400, C300, GL550, GLK350, SL550, C350, CLS550, E350, E550, ML350, ML450, ML550, R350, S550, SLK300, SLK350, CL550, CLK350, CLK550, SLK280, C230, C280, and related applications listed below.

• INA engine timing chain guide for left lower and lower positions
• OE-quality replacement for timing chain guide service
• Plastic construction matched to OEM PA66 and PA46 grade material and hardness
• Cross-reference part number: 5520185100
• Part number ZG0185 for Mercedes-Benz timing system repair

Detailed Product Overview

INA ZG0185 is an engine timing chain guide designed for Mercedes-Benz valve train service where the chain must stay properly routed and controlled. This guide is used in left lower and lower positions across a wide range of 2005-2015 Mercedes-Benz vehicles, including C-Class, E-Class, ML-Class, GL-Class, SL-Class, and related models. The part number ZG0185 is also referenced by INA Global Number 552 0185 100.

This timing chain guide is built to meet or exceed OE quality expectations and uses plastic material engineered to match the OEM PA66 and PA46 grade specification for hardness. That makes it a practical replacement when servicing the timing chain system on Mercedes-Benz engines that require precise chain guidance.

Common Problems This Part Addresses

• Timing chain noise from a worn or damaged guide
• Chain misalignment in the lower timing assembly
• Excessive wear in the valve train timing path
• Service replacement for cracked or deteriorated guide material
• Restoration of proper chain routing during engine repair

Installation Notes and Tips

Verify engine code, guide position, and OE reference before installation. This part is listed for left lower and lower positions only, so confirm the removed guide matches the application. Timing chain service typically requires careful alignment of the chain and related components; follow factory service procedures for the specific Mercedes-Benz model.

Fits 2009-2015 Mercedes-Benz G550, Left Lower. Fits 2010-2013 Mercedes-Benz S400, Left Lower. Fits 2008-2012 Mercedes-Benz C300, Left Lower. Fits 2008-2012 Mercedes-Benz GL550, Left Lower. Fits 2009-2012 Mercedes-Benz GLK350, Left Lower. Fits 2007-2012 Mercedes-Benz SL550, Left Lower. Fits 2006-2011 Mercedes-Benz C350, Left Lower. Fits 2007-2011 Mercedes-Benz CLS550, Left Lower. Fits 2006-2011 Mercedes-Benz E350, Left Lower. Fits 2008-2011 Mercedes-Benz E550, Left Lower. Fits 2006-2011 Mercedes-Benz ML350, Left Lower. Fits 2010-2011 Mercedes-Benz ML450, Left Lower. Fits 2008-2011 Mercedes-Benz ML550, Left Lower. Fits 2010-2011 Mercedes-Benz R350, Left Lower. Fits 2006-2008 Mercedes-Benz R350, Left Lower. Fits 2007-2011 Mercedes-Benz S550, Left Lower. Fits 2009-2011 Mercedes-Benz SLK300, Left Lower. Fits 2005-2011 Mercedes-Benz SLK350, Left Lower. Fits 2007-2010 Mercedes-Benz CL550, Left Lower. Fits 2006-2009 Mercedes-Benz CLK350, Left Lower. Fits 2007-2009 Mercedes-Benz CLK550, Left Lower. Fits 2006-2008 Mercedes-Benz SLK280, Left Lower. Fits 2006-2007 Mercedes-Benz C230, Left Lower. Fits 2006-2007 Mercedes-Benz C280, Left Lower. Fits 2007 Mercedes-Benz E550, Lower.

Quality Assurance

INA timing chain guides are manufactured to meet or exceed OE quality and performance expectations, with material hardness aligned to OEM PA66 and PA46 specifications. Part number ZG0185 is a direct reference for this timing chain guide application.