The 2008 Mercedes-Benz R320 has 2 NHTSA recall campaigns affecting an estimated 365,898 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, HYDRAULIC24V2980002024-04-2615,604 affected
Defect
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.
Consequence
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…
SERVICE BRAKES, HYDRAULIC22V3150002022-05-09350,294 affected
Defect
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…
Consequence
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 June 30, 2022. Owners may contact…
Complaints by component
ENGINE
1
SERVICE BRAKES, HYDRAULIC
1
Total complaints2
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The contact owns a 2008 mercedes-benz r320. The contact received notification of nhtsa campaign number: 22v315000 (service brakes, hydraulic) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall…”
“I thankfully took my car to have regular maintenance (service b) completed and unfortunately during that inspection, they found that the rubber cylinder on the harmonic balancer was hanging out. They and I looked to see if there was a recall (surly, this would warrant a recall). The car is well…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2008 Mercedes-Benz R320 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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