The 2007 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 18 complaints with NHTSA, most often about the electrical system. 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
ELECTRICAL SYSTEM
3
ENGINE
3
STRUCTURE:BODY
2
SUSPENSION
2
ELECTRONIC STABILITY CONTROL (ESC)
1
EXTERIOR LIGHTING
1
FUEL SYSTEM, DIESEL
1
POWER TRAIN
1
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
1
1fires1injuries
SERVICE BRAKES, HYDRAULIC
1
Total complaints18
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The contact owns a 2007 mercedes-benz r320. The contact stated that the vehicle was taken to the dealer to be repaired under nhtsa campaign number: 22v315000 (service brakes, hydraulic); however, the dealer informed the contact that the vehicle needed a diagnostic test prior to the recall repair.…”
“The contact owns a 2007 mercedes-benz r320. The contact stated the vehicle failed to start in very cold weather. The contact stated that after changing the battery several times, the failure continued to occur. Additionally, while operating the vehicle, the front and rear exterior lights failed to…”
“The contact owns a 2007 mercedes-benz r320. The contact stated the vehicle failed to start in very cold weather. The contact stated that after changing the battery several times, the failure continued to occur. Additionally, while operating the vehicle, the front and rear exterior lights failed to…”
“Panorama sunroof exploded while parked in our garage.”
“Sunroof exploded while parked in garage.”
“Transmission model 722.9 failure while driving. Creates an extremely dangerous situation that could lead to fatal accidents. Transmission completely disengages bringing car to stand still, or it downshifts without any warnings at high speed. Feels like the entire transmission is dropping off the…”
“I took my car to the mercedes-benz dealer in wilsonville oregon, the service manager told me that the r320 cdi is the worst car mercedes-benz ever built, and they kept charging for repairs each time with a new problem. I was also told the brake lamp in the rear needs a software update other wise…”
“I took my car to the mercedes-benz dealer in wilsonville oregon, the service manager told me that the r320 cdi is the worst car mercedes-benz ever built, and they kept charging for repairs each time with a new problem. I was also told the brake lamp in the rear needs a software update other wise…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2007 Mercedes-Benz R320 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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