Exhaust Mercedes S-Class

Exhaust systems for the Mercedes S-Class (models including W140 and W222) range from original equipment manufacturer (OEM) parts to aftermarket stainless steel components. These include cat-back lines, rear mufflers, and performance exhaust systems with adjustable valves like those on AMG models, designed to optimize exhaust flow, sound, and vehicle performance.

The official AMG performance exhaust systems for newer S-Class sedans such as the W222 feature adjustable flaps that allow the driver to switch between discreet modes for comfort and fully open modes for aggressive, sporty exhaust sounds. These systems improve gas flow to increase power and torque while balancing daily comfort.

Popular aftermarket products for the Mercedes S-Class include:

• MEC DESIGN cat-back exhaust systems for the W140 S600 models with sport stainless steel mufflers and OEM-style dual 55mm outlets installed after the catalytic converter for enhanced sound without affecting front pipe sections.
• Fox stainless steel rear mufflers for W140/C140 with a large 160x80mm outlet and 63.5mm pipe diameter, intended mainly for circuit or tuning use (not road legal).
• Universal catalytic converters compatible with various W140 vehicles, featuring Euro 4 compliance but without lambda sensors.

Note: Always verify compatibility with your specific S-Class generation and engine type before purchase.

Upgraded exhaust systems often provide the following advantages:

• Improved exhaust gas flow, enhancing engine power and torque.
• Use of durable stainless steel materials offering corrosion resistance and OEM-like polished tailpipes or sport styling.
• Adjustable valve systems in performance models for optimized sound and driving experience.

However, aftermarket parts may lack road homologation, so always check local regulations before installation.

Not all aftermarket exhaust components are homologated for road use. Some products, such as certain stainless steel mufflers intended for tuning or circuit use, do not carry approval for street driving. It is essential to verify the legal status of any exhaust modification in your region to ensure compliance.

Compatibility depends on the S-Class generation, engine type (petrol, diesel, turbo), and the exact model variant. Key factors for consideration include:

• Generation-specific fitment (e.g., W140 vs. W222 vs. W223).
• Correct pipe diameters and sensor (lambda) positions.
• Matching exhaust configurations such as cat-back or valve systems.

Always consult manufacturer specifications or VIN-based part lookups to ensure precise fitment before purchase.

Krosfou offers high-quality stainless steel parts and components manufactured in Europe, with a strong focus on quality and customer service. Although the brand specializes in catalytic converters and Diesel Particulate Filters (DPF) with 3-year warranties, Krosfou emphasizes quality, certified manufacturing, and expert support. For detailed warranty info on S-Class exhaust parts, contact Krosfou directly.

Enhancing your S-Class exhaust sound can be achieved with several options depending on the model:

• Installing cat-back exhaust systems with sport mufflers for a deeper, sportier tone.
• Utilizing official AMG exhausts featuring adjustable flaps to switch between quiet and aggressive sounds.
• Expert tuning to optimize exhaust flow and reduce restrictions while respecting legal limits.

Modifications should always consider local legal regulations and vehicle warranty conditions.

For example, some owners have asked about muffler deletes on the W222 S-Class to increase exhaust volume, but such modifications may affect compliance and comfort levels.