2010 Mercedes-Benz R350 problems, complaints & recalls
Most-reported problem areas: Air Bags (6) · Service Brakes, Hydraulic (2) · Engine (2)
🧭 Reliability snapshot
Compared against other Mercedes-Benz R350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
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.
Air Bags:frontal:driver Side:inflator Module 2016-02-11 · campaign 16V081000 · 711,159 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2009-2010 ML320 BlueTec 4Matic, GL320 BlueTec 4Matic and R320 CDI 4Matic, 2011 E350 Cabriolet and E550 Cabriolet, 2009-2011 ML350, ML350 4Matic, ML550 4Matic, ML63 AMG, and C63 AMG, 2010-2011 ML450 4Matic Hybrid, E350 Coupe, E350 4Matic, E550 Coupe, E550 4Matic, and E63 AMG, 2011-2012 GL350 BlueTec 4Matic and R350 BlueTec 4Matic, 2009-2012 GL450 4Matic, GL550 4Matic and R350 4Matic, 2007-2008 SLK280, SLK350, and SLK55 AMG, 2011-201
Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Fix: MBUSA will their notify owners, and Fiat Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge. This recall began November 2016. Mercedes-Benz owners may contact MBUSA customer service at 1-800-367-6372 and Chrysler owners may contact Fiat Chrysler customer service at 1-800-853-1403.
Service bulletins (46)
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 2026-03-09 · 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 la
Showing the 6 most recent of 46 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-04-06 · Service Brakes“i called the dealership to schedule the appointment. they told me they have no appointment available for next 3 weeks and even i wait for that long they will not be able to provide me a loaner car. the total job time is 4-6hrs i am not willing to wait that long. this dealership was not helpful at all in-spite of this is a very serious safety concer…”
2023-01-20 · Service Brakes, Hydraulic:pedals And Linkages · 130,000 mi“the contact owns a 2010 mercedes-benz r350. the contact stated that while driving at an undisclosed speed, the brake pedal was depressed and became stiff. the vehicle was taken to the dealer and diagnosed with a faulty brake booster. the vehicle was not repaired. the manufacturer was made aware of the failure. the failure mileage was approximately …”
2023-01-12 · Service Brakes, Hydraulic · 120,000 mi“the contact owns a 2010 mercedes-benz r350. the contact stated while driving 5 mph, the vehicle made a squishing an abnormal knocking sound. the contact stated that as the speed increased to 15-20 mph, the issue ceased. the contact stated that upon driving for an extended period, the brake pedal became stiff. the brake warning light was illuminated…”
2022-11-08 · Service Brakes, Hydraulic“the contact owns a 2010 mercedes-benz r350. the contact received notification of nhtsa campaign number: 22v315000 (service brakes, hydraulic) however, the part to do the recall repair was not yet available. the local dealer was contacted. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the ma…”
2019-03-29 · Air Bags“"takata recall" still awaiting repair of driver frontal airbag nhtsa recall # 16v081 mercedes benz keeps telling me they don't have the part to make the repair.…”
2018-01-16 · Air Bags · 85,000 mi“takata recall. i checked my vin immediately following the announcement of the takata recall in 2016, and found that my car is impacted by this recall. i then contacted the local mercedes dealer to schedule the airbags replacement, but was advised that they will contact me once they receive the replacement air bags. i kept checking with them every…”
2017-12-29 · Air Bags“takata recall i have repeatedly received mail that my r350 has had a safety recall that urgently needs to be addressed. for over a year i have been contacting my dealer and i am told that the parts are not available. according to takata, in the event of an inflatorrupture, metal fragments could pass through the air bag cushion material, which may…”
2017-10-27 · Air Bags“"takata recall" to date mercedes benz still has no timeline or date to replace the defective driver side airbag on my vehicle. this critical safety related recall is officially almost 2-years old and to not have parts yet and or a timeline is irresponsible. now we are receiving bankruptcy "chapter 11" notices for "takata" under "case no. 17-1137…”
2017-01-19 · Engine · 70,000 mi“tl* the contact owns a 2010 mercedes-benz r350. while driving 30 mph, the vehicle stalled and the check engine warning indicator illuminated. the contact had to maneuver to the side of the road. after two minutes, the vehicle restarted normally, but the engine warning indicator remained illuminated. the vehicle was taken to the dealer, but was not …”
2016-11-14 · Air Bags · 95,000 mi“takata recall we have been notified in february of 2016 and it is now november of 2016 and still no parts. we can't sell the car because i don't want to pass the problem onto another person and mercedes won't give us a loaner so we have a potential risk. telling us that it is a minimal risk doesn't help. this is beyond irresponsible! can you pl…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.