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Mercedes-Benz moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

NHTSA campaign 22V-315 · Reported May 9, 2022 · 350,294 vehicles affected

AFFECTED MODELS
Mercedes-Benz GL-Class, ML-Class and R-Class
VEHICLES AFFECTED
350,294
REMEDY
Owners are advised not to drive their vehicles until the remedy has been performed.
COST
Free

The short version

Mercedes-Benz USA, LLC reported a problem with the power assist vacuum. Here is what owners need to know.

WHAT

Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

WHY IT MATTERS

Reduced brake performance or brake failure can increase the risk of a crash.

WHAT TO DO

Take it to a dealer — they will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 22V-315.

YEAR RANGEMODEL
2007–2012Mercedes-Benz GL-Class
2006–2011Mercedes-Benz ML-Class
2006–2012Mercedes-Benz R-Class

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Mercedes-Benz USA, LLC or the National Highway Traffic Safety Administration.