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The Next AMG C63 Won’t Have a Four-Cylinder—but a V8 Isn’t Confirmed

AMG’s next performance C-Class is reportedly headed toward a non-hybrid inline-six C53. A V8 C63 remains possible, but Mercedes has not confirmed one.
Entry796 Date Time3 min MechanicCarCody Team
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Mercedes-AMG is reportedly moving the next high-performance C-Class away from the current C63’s four-cylinder plug-in hybrid and toward a non-hybrid inline-six. The replacement is expected to wear a C53 badge, but that does not settle whether a V8-powered C63 will follow. Mercedes has announced a new AMG V8, yet it has not said that the engine is destined for the C-Class.

What is happening to the C63?

Mercedes-AMG CEO Michael Schiebe has reportedly confirmed that the C-Class will receive the combustion engine from the CLE 53: a non-hybrid inline-six. Edmunds quoted Schiebe describing it as “No hybrid engine — pure inline six-cylinder.” Car and Driver reports that the current four-cylinder C63 and its plug-in-hybrid powertrain will be phased out, with a C53 taking its place. Edmunds and Car and Driver attribute the change to AMG leadership.

That is a reported change to the performance C-Class lineup, not confirmation that a future car will retain the C63 name. The clearest reported direction is a C53 with an inline-six; whether AMG later revives the C63 badge, and with which engine, remains unresolved.

Why is AMG moving away from the four-cylinder?

The current C63 S E Performance pairs a 2.0-liter turbocharged inline-four with hybrid hardware. Schiebe reportedly said the M139 four-cylinder is difficult to carry forward under EU7 emissions requirements. The reported inline-six C53 direction drops the hybrid system rather than continuing the current C63’s plug-in-hybrid arrangement. Edmunds reports Schiebe’s explanation and the powertrain change.

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Schiebe has also described AMG’s broader engine plans as continuing both combustion-engine histories: “We will do both powertrains, continuing our combustion engine history, developing the new V8 engine, introducing the six-cylinder in the mid-size segment,” he told evo. That statement supports the six-cylinder direction for the mid-size segment and continued V8 development, but does not assign a V8 to a C-Class.

How the current C63 compares with the CLE 53 reference

The figures below describe existing vehicles, not confirmed specifications for a future C53 or any future C63.

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Powertrain or model Layout and hybrid hardware Reported output What the figure represents
Current C63 S E Performance 2.0-liter turbocharged inline-four with plug-in-hybrid hardware 671 hp and 752 lb-ft Reported current C63 output, as cited by Edmunds in 2026
Existing CLE 53 reference 3.0-liter inline-six; non-hybrid engine cited as the C-Class direction 443 hp and 413 lb-ft Reported output of the existing CLE 53, not a future C53 specification

Edmunds reports the output figures for both reference cars. They should not be read as a direct prediction of future C-Class performance: AMG has not provided a confirmed C53 specification in the cited statements.

Does Mercedes have a V8 planned for the C63?

Mercedes-Benz has announced a new AMG V8, but has not announced a C-Class application. Its investor presentation says, “The new AMG-V8 will make its U.S. debut by the end of this year,” and separately places the next U.S. C-Class after 2027 launches. The presentation does not connect the engine to a C63, so the V8’s U.S. debut timing is not evidence of a V8 C-Class launch. Mercedes-Benz investor presentation

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Mercedes-Benz board member Mathias Geisen was asked about a C63 V8 return and replied, “Stay tuned,” followed by “One step after the other. First we have to make sure we have a very nice and sophisticated V-8,” according to Road & Track. Those comments leave the possibility open; they do not confirm fitment, a badge, or a launch date. Car and Driver has described a V8 C63 return as likely, while also acknowledging it is unconfirmed. Car and Driver

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When could the next C-Class AMG arrive?

There is no confirmed AMG reveal or on-sale date in the cited statements. Edmunds had forecast a C53 debut in the second half of 2026, but that was an expectation, not an announced launch date. Mercedes-Benz’s investor presentation places the next U.S. C-Class after 2027 launches. That broader product-plan timing does not establish when an AMG variant will be revealed or reach a particular market. Edmunds; Mercedes-Benz investor presentation

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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