Akrapovic Titanium Slip-On Exhaust – Mercedes-Benz CLE 53 4MATIC+ | C236 Coupé / A236 Cabriolet | 2024–2026 | S-ME/T/16H

Akrapovic S-ME/T/16H titanium slip-on exhaust system for the 2024–2026 Mercedes-Benz CLE 53 4MATIC+ Coupé (C236) and Cabriolet (A236). Hand-fabricated in Slovenia from aerospace-grade titanium — replacing the factory muffler section with Akrapovic’s characteristic hand-formed titanium bodies, precision TIG-welded construction, and titanium exhaust tips. Significant reduction in muffler weight. Enhanced exhaust note across the AMG M256 inline-6’s full RPM range. Factory catalytic converters retained. Ships fast across Canada and the US.

Slip-On System — What It Replaces and What It Retains

Understanding what a slip-on system does and does not modify is essential for CLE 53 buyers evaluating the Akrapovic range:

• What is replaced: The factory muffler section(s) — the rear portion of the exhaust system from the factory connection point rearward. On the CLE 53’s quad-outlet exhaust layout, the Akrapovic slip-on replaces the two factory muffler assemblies with titanium units, retaining the connection points to the factory mid-pipe.
• What is retained: The factory catalytic converters, downpipes, and mid-pipe sections. All factory O2 sensors and lambda probes remain in place. The emissions and OBD compliance of the vehicle is maintained — no check engine light, no catalyst deletion codes.
• Installation complexity: Significantly simpler than a full Evolution or Racing Line system. No removal of front exhaust sections, no cat replacement, no O2 sensor management required. The slip-on connects at the factory mid-pipe interface points and is retained by the factory hangers and the supplied Akrapovic hardware.
• Sound character: The primary benefit of the slip-on over the factory system is exhaust note enhancement. The Akrapovic titanium muffler bodies are less restrictive than the factory units and produce the characteristic AMG inline-6 exhaust note at higher volume and with greater clarity, particularly in the mid-to-high RPM range where the M256’s electric compressor and twin-scroll turbo are producing full boost. The OPF/GPF (particulate filter) fitted to the M256 in most markets limits low-RPM sound — the Akrapovic slip-on works with the factory particulate filter in place.
• Power gains: Modest — the retained factory cats and mid-pipe limit peak flow improvement relative to a full system. The slip-on is not the correct choice if headline power numbers are the primary objective. It is the correct choice for emissions compliance, sound enhancement, and weight reduction without invasive modification.

Titanium Construction — Akrapovic’s Manufacturing Standard

Akrapovic’s automotive exhaust systems are hand-fabricated in Ivančna Gorica, Slovenia — the same facility that produces Akrapovic’s MotoGP, WSBK, and factory racing exhaust systems. The S-ME/T/16H uses aerospace-grade titanium throughout:

• Titanium muffler bodies: Hand-formed titanium shells — each unit shaped and welded individually by Akrapovic’s fabricators. The characteristic blue and gold heat-tint at TIG weld seams is a visible indicator of genuine titanium construction and the temperature profile of the welding process. Not a cosmetic treatment — it is the natural result of titanium oxide formation during welding in a shielding gas environment.
• Weight reduction: Titanium’s density is approximately 60% that of steel at equivalent strength. The Akrapovic titanium mufflers are significantly lighter than the factory steel units — reducing unsprung-adjacent rear weight and improving the CLE 53’s overall weight distribution marginally. For a vehicle at ~2,100 kg kerb, the absolute weight saving is modest but contributes to the overall character of the exhaust system as a premium upgrade.
• Titanium exhaust tips: The visible exhaust tips are titanium — not stainless or chrome-plated. Titanium tips develop a subtle blue-gold patina with heat cycling, distinguishing them visually from stainless alternatives. The tip geometry on the S-ME/T/16H is matched to the CLE 53’s factory diffuser and bumper aperture design.
• Precision TIG welding: All joints are TIG-welded by hand to Akrapovic’s aerospace manufacturing tolerance standard. Consistent, clean welds with no filler material visible externally.

AMG M256 3.0L Inline-6 — Platform Context

The CLE 53 4MATIC+ uses Mercedes-AMG’s M256 engine — a 3.0-litre turbocharged inline-6 with integrated 48V EQ Boost mild hybrid system and electric compressor (EQB):

• 449 hp / 516 lb-ft factory output (AMG-tuned M256 specification for the CLE 53 4MATIC+)
• Electric compressor: The EQB electric compressor eliminates turbo lag below the primary twin-scroll turbocharger’s effective RPM range. This means the M256 builds boost and exhaust flow from very low RPM — the Akrapovic slip-on’s sound enhancement is audible across a broader RPM range than a comparable slip-on on a conventional turbocharged engine.
• 4MATIC+ all-wheel drive: Standard on the CLE 53 — rear-biased AWD with torque vectoring. The slip-on system has no interaction with the 4MATIC+ drivetrain.
• OPF/GPF particulate filter: The M256 in CLE 53 spec is fitted with an Ottopartikelfilter (gasoline particulate filter) in most markets. The factory particulate filter is retained with the slip-on system. Sound enhancement is present but the OPF limits overall exhaust volume relative to older AMG platforms without particulate filters.

C236 Coupé and A236 Cabriolet

The S-ME/T/16H fits both CLE 53 body styles:

• C236 Coupé (2024–2026): The CLE Coupé replaced both the C-Class Coupé (C205) and E-Class Coupé (C238) in Mercedes-Benz’s lineup — a single mid-size luxury coupé positioned between the A-Class and S-Class Coupé. The 53 badge indicates AMG Performance specification.
• A236 Cabriolet (2024–2026): The soft-top convertible variant of the CLE. Shares the same rear exhaust section architecture as the Coupé, allowing a common Akrapovic slip-on application across both body styles.

Slip-on system — retains factory cats and mid-pipe. 2024–2026 Mercedes-Benz CLE 53 4MATIC+ C236 Coupé and A236 Cabriolet only. Not for CLE 300, 350, or 63. Titanium construction, hand-fabricated in Slovenia. Factory O2 sensors and emissions compliance maintained. Professional installation recommended.

Specifications

• Brand: Akrapovic
• Part Number: S-ME/T/16H
• Type: Slip-on exhaust system
• Material: Aerospace-grade titanium
• Tips: Titanium
• Application: 2024–2026 Mercedes-Benz CLE 53 4MATIC+
• Body styles: C236 Coupé, A236 Cabriolet
• Engine: M256 3.0L turbocharged inline-6 with EQ Boost 48V
• Catalytic converters: Factory units retained
• Emissions compliance: Maintained
• Manufacturing: Hand-fabricated, Ivančna Gorica, Slovenia
• Weight: 30 lbs (packaged)