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Mercedes-Benz ML350 Recall 24V298: Moisture Can Corrode Brake Booster, Risking Brake Failure

NHTSA campaign 24V298, reported April 26, 2024, 15,604 vehicles potentially affected.

What this recall means for you

Certain 2006-2012 Mercedes-Benz ML, GL, and R-Class vehicles may have moisture accumulating inside the brake booster housing. Over time this can cause corrosion, which may reduce braking performance or lead to brake failure.

Reduced braking or brake failure raises the risk of a crash. Owners are advised not to drive the affected vehicle until the remedy has been performed. This recall expands a previous recall, 22V-315.

The repair is free at an authorized Mercedes-Benz dealer: the technician will remove the rubber sleeve, inspect the brake booster, and replace it if needed. Owner notification letters were mailed on May 24, 2024. You can contact Mercedes-Benz USA customer service at 1-800-367-6372, and you can check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V298Mercedes-Benz USA, LLC
Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Risk
Reduced brake performance or brake failure can increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MMUSA's number for this recall is 2024050001/2. This recall is an expansion of previous recall number 22V-315.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Mercedes-Benz AMG ML6320072008200920102011
Mercedes-Benz AMG R632007
Mercedes-Benz GL320200720082009
Mercedes-Benz GL3502009201020112012
Mercedes-Benz GL450200720082009201020112012
Mercedes-Benz GL55020082009201020112012
Mercedes-Benz ML320200720082009
Mercedes-Benz ML350200620072008200920102011
Mercedes-Benz ML45020102011
Mercedes-Benz ML500200620072008
Mercedes-Benz ML5502008200920102011
Mercedes-Benz R320200720082009
Mercedes-Benz R3502006200720082009201020112012
Mercedes-Benz R50020062007