Mercedes-Benz W203 C55 AMG M113 headers

MERCEDES-BENZ W203 M113 AMG C55 HEADERS — EXHAUST MANIFOLDS

Mercedes-Benz W203 C55 AMG M113 headers / exhaust manifolds designed for compatible C55 AMG applications with the M113 5.4L V8 engine. These headers replace the original exhaust manifolds and connect the cylinder heads to the downstream exhaust system.

PRODUCT SPECIFICATIONS

• Brand: Mercedes-Benz AMG
• Chassis: W203
• Model: C55 AMG
• Engine: M113
• Displacement: 5.4L V8
• Product: Headers / Exhaust Manifolds
• Configuration: V8
• Installation: Bolt-on — confirm
• Material: Confirm
• Finish: Confirm
• Oxygen Sensor Ports: Confirm
• Catalytic Converter Configuration: Confirm
• Condition: Confirm actual condition
• Part Number: Confirm
• Hardware: Confirm
• Fitment: W203 C55 AMG

M113 5.4L HEADERS

These M113 exhaust headers are intended for the Mercedes-Benz W203 C55 AMG.

The headers collect exhaust gases from the M113 cylinder heads and direct them into the vehicle’s downstream exhaust system.

W203 C55 AMG APPLICATION

The W203 C55 AMG is equipped with the M113 5.4L V8.

Before ordering, verify:

• Engine code
• Model year
• Cylinder-head configuration
• Exhaust-port pattern
• Left and right header configuration
• Downpipe connection
• Oxygen-sensor locations
• Chassis clearance
• VIN compatibility

HEADER CONSTRUCTION

Confirm the exact construction of the supplied headers.

Depending on the specification, the headers may feature:

• Stainless steel tubing
• Welded collectors
• Thick mounting flanges
• Oxygen-sensor ports
• Heat-resistant finish
• Vehicle-specific mounting points

Confirm the material, tube diameter, wall thickness and collector design before installation.

OXYGEN SENSOR CONFIGURATION

The oxygen-sensor arrangement should match the W203 C55 AMG exhaust configuration.

Verify:

• Oxygen-sensor ports
• Sensor positions
• Wiring clearance
• Catalytic-converter location
• Downpipe connection

Incorrect sensor positioning can cause installation problems or diagnostic faults.

PACKAGE CONTENTS

Depending on the specific listing, the package may include:

• Left-side header
• Right-side header
• Exhaust-manifold gaskets
• Mounting hardware
• Collector hardware

Downpipes, catalytic converters, oxygen sensors and other exhaust components are not included unless specifically stated.

CONDITION

For used headers, inspect:

• Cylinder-head flanges
• Exhaust ports
• Collector welds
• Mounting holes
• Oxygen-sensor ports
• Tubing
• Cracks
• Warping
• Corrosion
• Heat damage
• Previous repairs

FITMENT

Designed for compatible:

Mercedes-Benz W203 C55 AMG M113 5.4L V8

Verify compatibility using:

• VIN
• Engine code
• Model year
• Header configuration
• Part number
• Exhaust-port pattern
• Downpipe connection

INSTALLATION

Professional installation by a qualified Mercedes-Benz specialist is recommended.

1. Verify the M113 5.4L engine specification.
2. Compare the headers with the original exhaust manifolds.
3. Inspect the cylinder-head mounting surfaces.
4. Check all welds and flanges.
5. Install suitable exhaust-manifold gaskets.
6. Position the left and right headers.
7. Secure the mounting hardware.
8. Connect the downstream exhaust system.
9. Install the oxygen sensors.
10. Check steering and chassis clearance.
11. Check heat clearance around wiring and nearby components.
12. Start the engine and inspect for exhaust leaks.
13. Check for diagnostic fault codes.
14. Complete a final inspection.

IMPORTANT FITMENT NOTICE

This listing is specifically for W203 Mercedes-Benz C55 AMG M113 headers / exhaust manifolds.

M113 exhaust components can vary between Mercedes-Benz models and chassis configurations. Verify the engine code, model year, VIN and header configuration before purchase.

BUYER CHECKLIST

• Brand: Mercedes-Benz AMG
• Chassis: W203
• Model: C55 AMG
• Engine: M113
• Displacement: 5.4L V8
• Product: Headers / Exhaust Manifolds
• Left Header: Confirm
• Right Header: Confirm
• Material: Confirm
• O2 Sensor Ports: Confirm
• Catalytic Converters: Confirm
• Gaskets: Confirm
• Hardware: Confirm
• Condition: Confirm
• Part Number: Confirm
• VIN Fitment: Recommended

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