2006 Mercedes-Benz R350: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
99 owner complaints analyzed
2 distinct recall campaigns
80,000 mi median reported failure mileage
Scope: 2006 model year. Data snapshot: . 88 complaints include usable failure mileage.
Most common problems
Suspension is the most frequently named component, appearing in 26 of 99 complaints (26.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 10 | 10.1% |
| Engine operation | 8 | 8.1% |
| Electrical and battery issues | 7 | 7.1% |
| Transmission and shifting | 6 | 6.1% |
| Steering behavior | 6 | 6.1% |
| Fuel system concerns | 3 | 3.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Suspension | 26 |
| Engine | 17 |
| Electrical System | 13 |
| Engine And Engine Cooling | 10 |
| Power Train | 10 |
| Seats | 8 |
| Exterior Lighting | 7 |
| Engine And Engine Cooling:Engine | 5 |
Suspension: 26; Engine: 17; Electrical System: 13; Engine And Engine Cooling: 10; Power Train: 10; Seats: 8; Exterior Lighting: 7; Engine And Engine Cooling:Engine: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 15 |
| 50,000 to 74,999 | 23 |
| 75,000 to 99,999 | 27 |
| 100,000 to 149,999 | 18 |
| 150,000 and above | 2 |
Under 25,000: 3; 25,000 to 49,999: 15; 50,000 to 74,999: 23; 75,000 to 99,999: 27; 100,000 to 149,999: 18; 150,000 and above: 2
75,000 to 99,999 miles has the most reports with usable mileage (27). 11 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2006 | 3 |
| 2007 | 2 |
| 2009 | 2 |
| 2010 | 7 |
| 2011 | 19 |
| 2012 | 11 |
| 2013 | 18 |
| 2014 | 8 |
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 2 |
2006: 3; 2007: 2; 2009: 2; 2010: 7; 2011: 19; 2012: 11; 2013: 18; 2014: 8; 2015: 11; 2016: 5; 2017: 4; 2018: 3; 2019: 3; 2020: 1; 2022: 2
Pattern summary
Suspension leads the component reports. Braking behavior appears in 10 complaint narratives. Engine operation appears in 8 complaint narratives. Electrical and battery issues appears in 7 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10155614 · 2006-04-18 (April 18, 2006)
DT*: THE CONTACT STATED WHILE DRIVING FOR AN EXTENDED PERIOD OF TIME, THERE WAS A TAPPING NOISE FROM THE ENGINE COMPARTMENT AREA. THE VEHICLE WAS SEEN BY A DEALER FOR INSPECTION WHO DETERMINED THERE WAS A PROBLEM WITH THE FUEL INJECTION SYSTEM AND THIS WAS REPLACED. AFTERWARDS, WHILE APPLYING BRAKE PRESSURE AT VARIOUS SPEEDS THE VEHICLE ROLLED BACKWARDS, BUT WAS NOT PLACED IN REVERSE. THE VEHICLE WAS INSPECTED BY THE DEALER WHO DETERMINED THE BRAKES WERE NORMAL.
Owner-reported narrative. 1,200 miles reported. Look up ODI 10155614 at NHTSA ↗
Owner report 10157229 · 2006-05-11 (May 11, 2006)
MY WIFE DROVE OUR MERCEDES BENZ R350 TO A FRIENDS HOUSE TO DROP OFF THE KIDS. UPON STOPPING ON THE DRIVEWAY MY WIFE SHUT THE CAR OFF (KEY IN OFF POSITION) GOT OUT AND WENT TO THE PASSENGER SIDE TO HELP MY DAUGHTER OUT OF THE THIRD ROW. AT THAT SAME TIME MY SON EXITED THE VEHICLE AND WAS STANDING OUTSIDE THE CAR. AS MY WIFE BEGAN TO MOVE THE SEAT FOR MY DAUGHTER THE CAR ROLLED DUE TO NOT BEING IN PARK, ROLLED PAST MY SON AND WENT THROUGH THE FRIENDS GARAGE DOOR. ALL CARS I KNOW OF THAT ARE AUTOMATICS REQUIRE THE VEHICLE BE IN PARK PRIOR TO…
Owner-reported narrative. 1,900 miles reported. Look up ODI 10157229 at NHTSA ↗
Owner report 10160841 · 2006-06-27 (June 27, 2006)
MERCEDES R CLASS SPEED SENSITIVE STEERING HAS LITTLE PLAY AND ITS MEASUREMENT OF HARDENING AND SOFTENING THE STEERING IS UNPREDICTABLE. SOMETIME STEERING ITSELF BECOME VERY SOFT THAT VEHICLE IS HARD TO CONTROL AND SOMETIME IT BECOMES VERY HARD. TOTAL RANDOM BEHAVIOR, EFFECT DRIVING AND SAFETY. *NM
Owner-reported narrative. Look up ODI 10160841 at NHTSA ↗
Owner report 10181604 · 2007-01-26 (January 26, 2007)
2006 MERCEDES BENZ R350 PROBLEM WITH FAULTY TRANSMISSION **CC THE VEHICLE ROLLED BACKWARDS OUT OF THE DRIVEWAY AND STRUCK A PARKED CAR. THE CONSUMER WAS TOLD BY THE DEALER, THE REASON WHY THE VEHICLE ROLLED, WAS BECAUSE HE LEFT THE KEYS IN THE IGNITION. THE CONSUMER STATED A BUTTON MUST BE PUSHED TO PLACE IN TO PARK. IT WAS DETERMINED THAT THE CONSUMER DIDN'T PLACE THE VEHICLE INTO PARK. IT WAS STATED THAT IF THE KEY IS LEFT IN THE IGNITION, AND NOT PLACED INTO PARK, THE VEHICLE WILL NOT GO INTO PARK BY ITSELF. THE CONCLUSION WAS USER ERROR. T…
Owner-reported narrative. Look up ODI 10181604 at NHTSA ↗
Owner report 10191576 · 2007-05-23 (May 23, 2007)
TL*THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THAT THE ENGINE BEGAN MAKING A LOUD NOISE. THE DEALER REPLACED THE IDLER PULLEY, BUT THE ENGINE CONTINUED TO MAKE A LOUD NOISE. THE RUN FLAT INDICATOR LIGHT AND THE ELECTRICAL WARNING LIGHT ILLUMINATED. THE ELECTRICAL PANEL WAS REPLACED. THE VEHICLE CONTINUED TO HAVE ELECTRICAL FAILURES AND THE POWER SUNROOF LID WOULD NOT CLOSE. THE DEALER ORDERED AN UNDISCLOSED PART FROM GERMANY. THE CURRENT MILEAGE AND ENGINE SIZE WERE UNKNOWN. THE FAILURE MILEAGE WAS 15,000.
Owner-reported narrative. 15,000 miles reported. Look up ODI 10191576 at NHTSA ↗
Owner report 10286609 · 2009-10-07 (October 7, 2009)
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ R350. WHEN ATTEMPTING TO ACCELERATE THE VEHICLE HESITATED THEN ACCELERATED UP TO 20000 RPMS (TACHOMETER RED LINE). HE WAS ABLE TO TURN THE ENGINE OFF. THE VEHICLE WAS TOWED TO THE DEALER AND REPAIRED. SEVERAL MONTHS AFTER THE REPAIR THE FAILURE RESURFACED. THE VEHICLE WAS TOWED AGAIN TO THE DEALER AND A TECHNICIAN CONCLUDED THAT THE TRANSMISSION'S ELECTRONIC DEVICE FAILED. HOWEVER HE SPECULATES THAT THE ELECTRONIC THROTTLE FAILED. THE FAILURE MILEAGE WAS APPROXIMATELY 45,000. THE CURRENT MILEAGE WAS AP…
Owner-reported narrative. 45,000 miles reported. Look up ODI 10286609 at NHTSA ↗
Owner report 10292127 · 2009-11-13 (November 13, 2009)
HEADLAMPS SHINE TOO CLOSE TO CAR. ONLY SHINE 40-50 FEET OUT TO THE FRONT AND AT NIGHT, ESPECIALLY IN RAIN, YOU ABSOLUTELY CANNOT SEE THE ROAD OR HAZARDS IN IT, SUCH AS DEER. *TR
Owner-reported narrative. 36,900 miles reported. Look up ODI 10292127 at NHTSA ↗
Owner report 10327962 · 2010-04-28 (April 28, 2010)
TL*THE CONTACT OWNS A 2006 MERCEDES R350. WHILE SITTING IN THE VEHICLE WITH THE HEATED SEATS ACTIVATED, THE CONTACT COULD SMELL AND SEE SMOKE AS THE SEAT BEGAN TO BURN. THE VEHICLE HAD NOT BEEN TAKEN TO AN AUTHORIZED DEALERSHIP AT THE TIME OF THE COMPLAINT. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 49,000.
Owner-reported narrative. 49,000 miles reported. Look up ODI 10327962 at NHTSA ↗
Recall history
2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
22V315000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2022-05-09 (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: 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.
NHTSA campaign record ↗24V298000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2024-04-26 (April 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: 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.
NHTSA campaign record ↗