1 recall across 1 model year
The Mercedes-Benz R550 has 1 recall affecting the 2008 model year, where moisture can build up inside the brake booster housing, cause corrosion, and reduce braking power or cause brakes to fail entirely, raising the risk of a crash.
When the corrosion progresses far enough, the vacuum-assisted brake booster loses its ability to amplify pedal force, meaning the driver may need to push much harder to slow the vehicle or find that braking response is significantly diminished.
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