2007 Mercedes-Benz R350 problems, complaints & recalls
Most-reported problem areas: Suspension (16) · Seats (7) · Service Brakes (3)
🧭 Reliability snapshot
Compared against other Mercedes-Benz R350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
38 NHTSA complaints that reported an odometer reading.
Safety recalls (2)
Service Brakes, Hydraulic:power Assist:vacuum 2024-04-26 · campaign 24V298000 · 15,604 vehicles ⚠ DO NOT DRIVE
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.
Risk: Reduced brake performance or brake failure can increase the risk of a crash.
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 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.
Service Brakes, Hydraulic:power Assist:vacuum 2022-05-09 · campaign 22V315000 · 350,294 vehicles ⚠ DO NOT DRIVE
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 failure.
Risk: Reduced brake performance or brake failure can increase the risk of a crash.
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.
Service bulletins (71)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Exterior Lighting 2026-04-16 · LI82.10-P-078301 · Service Bulletin/Repair Instructions
complaint headlamp, front fog lamp leaky or fogged. cause fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. it does not lead to any technical impairment of the headlamp. if a pressure compensation diaphragm is fitted in the housing cover, then the l
Exterior Lighting 2026-02-25 · LI82.10-P-078307 · Service Bulletin/Repair Instructions
complaint headlamps leaking or fogged cause the fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. in contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. a leak test must be performed to determine i
Showing the 6 most recent of 71 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-10-11 · Engine“error codes p0016 and p0017 camshaft out of alignment and vehicle will not pass smog test, also loss of power of the engine.…”
2023-07-15 · Service Brakes · 💥 crash“pressed down on braked and nothing happened. pressed down on emergency break to aid in stopping. no warning lights or sounds…”
2022-09-07 · Service Brakes · 70,000 mi“the contact owned a 2007 mercedes-benz r350. the contact stated while driving at 65 mph and approaching traffic, another vehicle crashed into the rear of his vehicle. the contact slammed on the brakes but the brake pedal failed to respond, causing the front of the vehicle to crash into a second vehicle. the air bags deployed. the passengers of the …”
2018-09-10 · Power Train · 100,300 mi“check engine light came up. car cannot accelerate beyond ~30 mph even with high rev.…”
2017-03-07 · Power Train · 138,000 mi“tl* the contact owns a 2007 mercedes-benz r350. while driving 35 mph, the vehicle began to vibrate. while shifting gears, the vehicle violently lunged forward without warning. the accelerator pedal was engaged with force; however, the vehicle failed to accelerate. the failure recurred numerous times. the vehicle was not diagnosed or repaired. the m…”
2017-02-03 · Seats:front Assembly:seat Heater/Cooler · 148,000 mi · 🔥 fire“tl* the contact owns a 2007 mercedes-benz r350. five minutes after the contact activated the seat warmer, she smelled an abnormal burning odor. when the contact attempted to exit the vehicle, her jacket was stuck to the seat. upon inspection, the contact noticed a hole in the seat and jacket. the contact sustained minor burn injuries. it was unknow…”
2017-02-03 · Seats · 148,000 mi“got in my car and turned on my seat warmers and proceeded to drive. after driving for 5 minutes i noticed a smell, though it was the fumes from the car in front of me. i kept driving and then i felt some discomfort on my lower left upper hip area. felt like something was biting me. by this time i was a major highway and kept feeling discomfort.…”
2016-12-16 · Seats · 104,000 mi · 🔥 fire“tl* the contact owns a 2007 mercedes-benz r350. while operating the vehicle, a burning odor was present inside the vehicle. the driver later noticed that the driver side lumbar area of the front driver seat became extremely hot and burned through the leather seat and the clothing worn by the driver. there were no injuries. the cause of the failure …”
2016-05-19 · Seats:front Assembly:seat Heater/Cooler · 90,000 mi · 🔥 fire“tl* the contact owns a 2007 mercedes-benz r350. while driving approximately 20 mph, the inside of the vehicle filled with smoke. the contact noticed that the driver's seat caught fire. the contact stated that the seat warmer was activated and, once the seat warmer was deactivated, the fire extinguished independently. there were no injuries. the veh…”
2016-02-15 · Seats · 90,000 mi“i noticed i was getting burned on my upper hip when the seat heater was on. thought it was the metal trim on my jeans getting too hot but discovered the seat heater had burned a hole through the seat and smelled like a fire. i turned it off and now do not use the seat heaters. it got hot in a few minutes after starting.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.