Genuine 1120180182 Engine Crankcase Breather Hose

Mercedes-Benz Crankcase Breather Hose

This Genuine engine crankcase breather hose routes blow-by vapors from the left cylinder head cover to the intake air boot on select Mercedes-Benz models. Part number 1120180182 is a direct-fit emission control component for maintaining proper crankcase ventilation routing.

Key Features

• Genuine replacement crankcase breather hose
• Fits the left cylinder head cover to intake air boot connection on listed applications
• Supports crankcase ventilation system function
• Direct-fit service part for Mercedes-Benz V8 and V6 applications
• Part number 1120180182 for accurate ordering and identification

Detailed Description

Use this engine crankcase breather hose when servicing the emission control and crankcase ventilation system on compatible Mercedes-Benz vehicles. It is listed for a wide range of models, including Mercedes-Benz ML500, E500, S500, CLK500, and C55 AMG applications, with fitment specified from the left cylinder head cover to the intake air boot. The Genuine 1120180182 hose is also cataloged for additional Mercedes-Benz platforms such as CL500, CLK55 AMG, E430, E55 AMG, and SL500, depending on chassis and year.

This part cross-references no additional part numbers in the provided data. Verify the vehicle year, model, and routing location before installation to ensure the hose matches the original configuration.

Common Repair Symptoms

• Cracked or split breather hose
• Oil vapor leakage around the crankcase ventilation routing
• Vacuum leaks affecting idle quality
• Check engine light related to ventilation or air metering issues
• Hardening or deterioration of the original hose material

Installation Notes and Tips

Install on the specified left cylinder head cover to intake air boot connection only. Confirm chassis-specific notes for SL500 and S430 applications, since the fitment varies by model year and platform. Inspect adjoining ventilation fittings and the intake boot for wear before reassembly. For best results, compare the original hose routing and connector shape with the replacement part number 1120180182 prior to installation.

Quality Assurance

Genuine OE-style replacement part for the listed Mercedes-Benz applications. Fitment is confirmed for 1998-2007 Mercedes-Benz models in the provided catalog data, including ML500, R500, SLK55 AMG, C55 AMG, CL500, CLK500, CLK55 AMG, CLS500, E500, S350, S430, S500, C240, C320, CLK320, E320, G500, ML350, G55 AMG, SLK320, CLK430, ML55 AMG, SL500, CL55 AMG, E430, E55 AMG, ML320, S55 AMG, ML430, C280, and C43 AMG.