Soundproofing Mercedes Benz 190e Cosworth
No unpleasant smell from factory insulation and improved acoustic comfort
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Identified Issues- Noise from wheel arches
- Outdated factory insulation
- Roof echo
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Work Performed- Full Body Soundproofing
- Wheel arches outside
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Results- Reduced noise levels from 87 dB to 74 dB
- Smells like new
Photo Report of Completed Work
Bonnet insulation
Factory insulation in older classic cars is often minimal and can deteriorate over time, potentially damaging engine components or coming into contact with the exhaust system.
Bonnet insulation
We first removed the old factory insulation and replaced it with a brand-new OEM insulation panel.
Floor Soundproofing
The source of the unpleasant odour in this otherwise excellent car was the old sound-deadening materials. Once considered advanced technology over 20 years ago, they have since degraded and lost their effectiveness over time.
Floor Soundproofing
First, we fully stripped the interior and dashboard to expose all metal surfaces.
Working on an older vehicle requires precision to ensure no components are damaged during disassembly.
Working on an older vehicle requires precision to ensure no components are damaged during disassembly.
Stock Soundproofing
The factory insulation has deteriorated over time and begun to absorb moisture.
Floor Soundproofing
The entire floor was cleaned of old insulation using dry ice blasting to avoid damaging the metal surface.
Floor Soundproofing
To achieve maximum noise reduction and protect the metal surfaces, we installed STP Intrigo 6mm to effectively reduce low-frequency noise and restore this Mercedes-Benz.
StP Aerocell QP Intrigo 4m²/6mm
StP Aerocell QP Intrigo
A next-generation automotive insulation material engineered to improve cabin comfort, reduce road noise, and enhance thermal performance. Designed for modern vehicles, it delivers a new level of professional sound deadening and interior refinement.
A next-generation automotive insulation material engineered to improve cabin comfort, reduce road noise, and enhance thermal performance. Designed for modern vehicles, it delivers a new level of professional sound deadening and interior refinement.
Dashboard Sound Deadening
Under the dashboard, we found a substantial amount of factory insulation — a testament to the quality of Mercedes engineering at the time.
We installed STP Gold 2.3 mm to reduce metal resonance and improve overall cabin acoustics.
We installed STP Gold 2.3 mm to reduce metal resonance and improve overall cabin acoustics.
Dashboard Sound Deadening
To prevent squeaks and rattles—particularly in a premium Mercedes-Benz—we installed STP Biplast 10 mm, carefully wrapping all plastic trim components.
Products we used in this Project
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