Genuine 1121400108 EGR Line

Mercedes-Benz EGR Line Replacement

This Genuine Exhaust Gas Recirculation (EGR) line, part number 1121400108, routes exhaust gas between the EGR valve and the intake manifold on select Mercedes-Benz models. It is a direct-fit emission control component for restoring proper EGR flow on applications such as Mercedes-Benz E320, ML320, and S500.

Key Features

• Genuine replacement EGR line for emission control service
• Part number 1121400108 for accurate ordering and identification
• Connects the EGR valve to the intake manifold
• Compatible with a wide range of Mercedes-Benz V6 and V8 applications
• Supports repair of cracked, leaking, or restricted EGR tubing

Detailed Description

Use this Genuine EGR line when servicing the exhaust gas recirculation path on compatible Mercedes-Benz vehicles. The line is specified for the EGR valve-to-intake manifold connection and is listed for models including Mercedes-Benz E320, ML320, CLK430, S430, and SL500, along with additional fitments across 1998-2010 model years. If you are searching for Mercedes-Benz EGR valve to intake manifold line 1121400108, this part matches the listed OE-style application.

This part number 1121400108 is also a practical reference when replacing an aging EGR tube on Mercedes-Benz C320, E430, or G500 platforms. It is intended for emission control repair where the original line has corrosion, leakage, or flow restriction.

What It Helps Address

• EGR leak codes related to damaged tubing
• Rough idle caused by disrupted exhaust gas recirculation flow
• Emissions test failures tied to EGR system faults
• Visible cracking, rust, or separation at the EGR line
• Restricted exhaust gas transfer between the valve and intake manifold

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. This line is listed for the EGR valve to intake manifold location, so confirm the routing on the vehicle before removal. Inspect adjoining EGR components, sealing surfaces, and mounting points for wear or carbon buildup during installation. Part number 1121400108 should be matched to the exact application shown in the fitment data.

Quality Assurance

Genuine OE replacement part for the listed Mercedes-Benz applications. Fitment includes Mercedes-Benz SLK55 AMG, G500, ML500, R500, C55 AMG, CL500, CLK500, CLK55 AMG, CLS500, E500, S350, S430, S500, SL500, C240, C320, CLK320, E320, ML350, SLK320, CLK430, ML320, ML55 AMG, CL55 AMG, E430, E55 AMG, S55 AMG, ML430, C280, and C43 AMG. This part cross-references Mercedes-Benz OE part number 1121400108 for the same application.