WHILE DRIVING, SMELLED BURNING ODOR BUT SAW NO SMOKE OR FIRE. DRIVER'S SIDE SEAT HEATER WAS ON AT TIME ODOR WAS NOTICED. TURNED IT OFF IMMEDIATELY AND STOPPED VEHICLE. ODOR WENT AWAY BUT NOTICED UPPER LEFT OF SEAT BACK HAD TWO BURN HOLES. MADE APPOINTMENT FOR SERVICE. *TR
2006 MERCEDES-BENZ R350
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all R350 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
89 reports with mileage · 10 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Suspension. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
99 reportsTHE REAR END OF MY WIFE R 350 LOWER ITSELF FOR SOME REASON THE REAR END RISE ONCE CRANKED BUT OVER NIGHT THE VEHICLE WOULD DEFLATE THE REAR SUSPENSION WOULD JUST DROP LOOK LIKE IT IS ON THE GROUND IT STARTED WITH ONE SIDE THAN THE WHOLE BACK STARTED DROPPING. *TR
I STARTED MY 2006 MERCEDES-BENZ R350 AND ACTIVATED THE DRIVER SEAT WARMER ON HIGH. AFTER APPROXIMATELY 2.2 MILES INTO MY DRIVE (SPEED 30-45 MPH) MY SEAT FELT VERY HOT ON MY LOWER LEFT SIDE NEAR MY WAIST LINE. I REACHED BACK WHILE DRIVING TO FEEL HOW HOT THE SEAT WAS AND WAS SURPRISED BY A VERY HOT SENSATION AS THOUGH I HAD TOU…
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I STARTED MY 2006 MERCEDES-BENZ R350 AND ACTIVATED THE DRIVER SEAT WARMER ON HIGH. AFTER APPROXIMATELY 2.2 MILES INTO MY DRIVE (SPEED 30-45 MPH) MY SEAT FELT VERY HOT ON MY LOWER LEFT SIDE NEAR MY WAIST LINE. I REACHED BACK WHILE DRIVING TO FEEL HOW HOT THE SEAT WAS AND WAS SURPRISED BY A VERY HOT SENSATION AS THOUGH I HAD TOUCHED A HOT NEEDLE. AS I CONTINUED TO DRIVE AND PULL MY BODY FORWARD I NOTICED SMOKE RISING FROM BEHIND MY LEFT SHOULDER. I IMMEDIATELY PULL OVER ONTO A LEFT SIDE STREET AND PUT THE CAR IN PARK LEAVING IT RUNNING AND JUMPED OUT OF THE SEAT. THERE WAS A LARGE HOLE BURNED IN THE LEATHER AND IT WAS STILL SMOKING. I PATTED THE AREA DOWN WITH MY HAND TO NOTICE A GLOWING ORANGE SPARK AND IT CONTINUED TO SMOKE. I REACHED IN AND TURNED OFF THE HEATED SEAT BUTTON BY CYCLING IT THOUGH THE 2ND AND 3RD LEVELS. THE SEAT FINALLY STOPPED SMOKING. I LET THE HOLE IN THE SEAT COOL DOWN. CHECKING MY CLOTHING I REALIZED I HAD A HOLE AND SEVERAL MELTED SPOTS ON MY POLYESTER VEST I WAS WEARING. UPON COMING HOME I NOTICED ALSO A HOLE IN MY LIGHT COTTON SWEATER THAT WAS WORN UNDER THE VEST TWO DAYS PRIOR TO THIS INCIDENT I HAD FELT THE SEAT WAS HOT IN THE SAME AREA BUT THOUGHT MY SHIRT AT THE TIME WAS RAISED EXPOSING MY SKIN TO THE SEAT. *TR
THE CAR IS LEANING TO THE RIGHT SIDE. WHILE DRIVING I GET A WARNING THAT THE CAR IS TO LOW. I ALSO GET THE WARNING THAT MY TIRE PRESSURE IS LOW, WHILE DRIVING ON THE HIGHWAY. THE CAR BEGAN LEANING A FEW MONTHS AGO AND WOULD COME AND GO. THE CAR IS NOW PERMANENTLY LEANING TO THE RIGHT. *TR
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ R 350. THE CONTACT STATED THAT THE SUSPENSION SYSTEM CAUSED THE FRONT END TO LEAN TO THE RIGHT. THE CONTACT TOOK THE VEHICLE TO A DEALER TO HAVE THE FAILURE DIAGNOSED AND THE DEALER COULD NOT DETERMINE WHAT CAUSED THE SUSPENSION TO MALFUNCTION. THE CONTACT ALSO STATED THAT THE ELECTRICAL…
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TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ R 350. THE CONTACT STATED THAT THE SUSPENSION SYSTEM CAUSED THE FRONT END TO LEAN TO THE RIGHT. THE CONTACT TOOK THE VEHICLE TO A DEALER TO HAVE THE FAILURE DIAGNOSED AND THE DEALER COULD NOT DETERMINE WHAT CAUSED THE SUSPENSION TO MALFUNCTION. THE CONTACT ALSO STATED THAT THE ELECTRICAL SYSTEM CAUSED THE EXTERIOR AND INTERIOR LIGHTS TO MALFUNCTION. THE CONTACT TOOK THE VEHICLE TO A DEALER FOR REPAIRS BUT THE DEALER WAS UNABLE TO IDENTIFY WHAT CAUSED THE ELECTRICAL SYSTEM TO MALFUNCTION. THE VEHICLE WAS REPAIRED HOWEVER, THE CONTACT WAS UNABLE TO PROVIDE THE EXACT REPAIRS MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 85,000. THE VIN WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THAT THE FRAME APPEARED TO BE LEANING ABNORMALLY. THE CONTACT ALSO STATED THAT WHEN DRIVING VARIOUS SPEEDS, SHE COULD FEEL THE FRAME MOVING AROUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THERE WAS A DEFECT…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THAT THE FRAME APPEARED TO BE LEANING ABNORMALLY. THE CONTACT ALSO STATED THAT WHEN DRIVING VARIOUS SPEEDS, SHE COULD FEEL THE FRAME MOVING AROUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THERE WAS A DEFECT IN THE SUSPENSION. THE MANUFACTURER WAS NOTIFIED BUT OFFERED NO ASSISTANCE. THE VIN WAS UNAVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 69,000.
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THAT WHEN DRIVING APPROXIMATELY 55 MPH OR HIGHER, THE REAR END OF THE VEHICLE WOULD LOWER TO THE GROUND. THE VEHICLE WAS NOT INSPECTED BY A DEALER OR AN INDEPENDENT MECHANIC. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WERE APPROXIMATELY 8…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THAT WHEN DRIVING APPROXIMATELY 55 MPH OR HIGHER, THE REAR END OF THE VEHICLE WOULD LOWER TO THE GROUND. THE VEHICLE WAS NOT INSPECTED BY A DEALER OR AN INDEPENDENT MECHANIC. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WERE APPROXIMATELY 80,000. THE VIN WAS UNAVAILABLE.
MY WIFE CAME OUT TO START THE VEHICLE AND NOTICED THE CAR WAS LEANING SEVERELY TO ONE SIDE. THE DRIVER FRONT AND REAR WAS TILTED, SOMETHING I NEVER WITNESSED BEFORE ON ANY VEHICLE I ONCE OWNED. I TOOK IT TO THE DEALER AND THEY TOLD ME IT WAS A SENSOR THAT CONTROLLED THE BALANCE OF THE VEHICLE. THE SENSOR WAS CHANGED AND A FEW DA…
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MY WIFE CAME OUT TO START THE VEHICLE AND NOTICED THE CAR WAS LEANING SEVERELY TO ONE SIDE. THE DRIVER FRONT AND REAR WAS TILTED, SOMETHING I NEVER WITNESSED BEFORE ON ANY VEHICLE I ONCE OWNED. I TOOK IT TO THE DEALER AND THEY TOLD ME IT WAS A SENSOR THAT CONTROLLED THE BALANCE OF THE VEHICLE. THE SENSOR WAS CHANGED AND A FEW DAYS LATER IT STARTED LEANING AGAIN. I NOTICED WHEN THE VEHICLE SITS IT WILL BEGIN TO LEAN, BUT ONCE IT IS DRIVEN FOR 10 MILES IT BEGINS TO BALANCE ITSELF. I HAVE BEEN TRYING TO CONTACT YOU ALL ABOUT THIS SITUATION, HOWEVER TO NO , SO NOW I WILL BEGIN TAKING FURTHER PROCEDURES TO CORRECT THIS SITUATION, AND NOT HAVE TO CONTINUE PAYING FOR A DEFAULT THAT`S INCONCEIVABLE. *TR
PROBLEMS WITH THE AIRMATIC SUSPENSION. THE HYDRAULIC SYSTEM MALFUNCTIONS AND CAUSES YOUR VEHICLE TO LEAN TO ONE SIDE AT THIS POINT YOUR TURN RADIUS IS HINDERED SEVERELY.YOU ALSO NOW ARE ONLY ABLE TO DRIVE AT A LOW RATE OF SPEED,SO HOPEFULLY YOU ARE NOT ON A MAJOR HIGHWAY WHEN THIS HAPPENS.I KNOW 3 DIFFERENT PERSONS BESIDES MYSEL…
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PROBLEMS WITH THE AIRMATIC SUSPENSION. THE HYDRAULIC SYSTEM MALFUNCTIONS AND CAUSES YOUR VEHICLE TO LEAN TO ONE SIDE AT THIS POINT YOUR TURN RADIUS IS HINDERED SEVERELY.YOU ALSO NOW ARE ONLY ABLE TO DRIVE AT A LOW RATE OF SPEED,SO HOPEFULLY YOU ARE NOT ON A MAJOR HIGHWAY WHEN THIS HAPPENS.I KNOW 3 DIFFERENT PERSONS BESIDES MYSELF WHO HAVE HAD THIS ISSUE, AND THANKFULLY THIS MAJOR MALFUNCTION HAS NOT CAUSED ANY TRAFFIC/INJURY INCIDENTS.THIS SEEMS TO BE A MAJOR FLAW IN WHICH CAN CAUSE SERIOUS REPERCUSSIONS. *JS
BALANCE SHAFT,,,,COAD 1200&1208. *TR
Official recalls
224V298000 · Service Brakes, Hydraulic:power Assist:vacuum
Apr 26, 2024
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 & remedy
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 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.
22V315000 · Service Brakes, Hydraulic:power Assist:vacuum
May 9, 2022
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.
Consequence & remedy
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 MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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