Experiment Simulates Impossible V11 Engine Using Mercedes V12

Engine configuration plays a critical role in a vehicle’s acoustic profile, with cylinder counts typically dictating the appeal for enthusiasts. While V8 and V12 engines are celebrated for their specific exhaust notes, odd-numbered cylinder configurations like a V11 are mechanically impossible in a standard V-bank arrangement due to the requirement for an equal number of cylinders on each side. However, a recent experiment has successfully simulated the sound of this theoretical powerplant.

YouTube content creator Maisteer utilized a modified R230 generation Mercedes-Benz Group AG SL equipped with a 6.0-liter V12 engine to approximate the acoustics of an 11-cylinder engine. By deactivating specific spark plugs to disable one cylinder, the team was able to run the engine in a V11 configuration. Subsequent tests also simulated V10 and V9 setups by further deactivating cylinders to observe the tonal shifts.

Observations from the test suggest that the human ear may struggle to distinguish the V11 note from a fully operational V12, though frequency meter readings indicated distinct changes at 400 Hz and 800 Hz. As more cylinders were deactivated, the exhaust note deepened, eventually settling into a bass-heavy rumble reminiscent of a V8 configuration when running on fewer cylinders.

The automotive industry continues to place significant emphasis on engine acoustics, even as the market shifts toward electrification. As manufacturers like Hyundai Motor Company develop artificial soundscapes for electric performance vehicles to replace traditional engine noise, understanding the psychoacoustics of cylinder counts remains relevant. Legacy automakers with strong internal combustion lineups, such as Toyota Motor Corporation and Bayerische Motoren Werke Aktiengesellschaft, continue to rely on these distinct sound signatures as part of their brand identity.

Source: original release

What to watch

• Mercedes-Benz Group AG next quarterly earnings report.
• Hyundai Motor Company’s rollout of N models with active sound technologies.
• Production guidance updates from major auto manufacturers regarding internal combustion versus electric vehicle splits.