Mercedes-Benz Recall 22V-315: Service brakes, hydraulic

The problem

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, 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.

The risk

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

The fix

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 June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.

Recall details

NHTSA campaign	22V-315 (22V315000)
Manufacturer number	See Recall Schedule
Manufacturer	Mercedes-Benz USA, LLC
Component	Service brakes, hydraulic › Power assist › Vacuum
Report date	May 9, 2022
Owners notified	June 30, 2022
Vehicles affected	350,294
Initiated by	Manufacturer

Vehicles covered

Plus 2 other model/year combinations not covered on this site.

Owner complaints about the brakes

Frequently asked questions

Is the recall 22V-315 repair free?

Yes. Mercedes-Benz dealers will fix the problem at no cost: 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.

How do I know if my car is included?

Not every vehicle of the listed model years is affected — the recall covers 350,294 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.

Is it safe to drive?

No — the manufacturer says owners should not drive affected vehicles until the repair is done. Contact a dealer to arrange towing.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.