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2006 MERCEDES-BENZ R350

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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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.

2 crash reports10 fire reports3 injury reports

What owners actually said

99 reports
90,000 miles · Dec 24, 2014
Suspension

I AGREE THAT SOMETHING SHOULD BE DONE ABOUT THE REAR SUSPENSION DEFECT ON THE 2006 R-CLASS MERCEDES. I ALSO OWN A 2006 MERCEDES BENZ R350. THIS VEHICLE KEPT LEANING TO THE RIGHT SIDE. THE AUTOMATIC SUSPENSION ON THE VEHICLE WAS UNEVEN. THE RED LIGHT ASKED ME TO STOP?CAR TOO LOW. I STOPPED AND IT PUMPED UP AGAIN. DROVE A COU…

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I AGREE THAT SOMETHING SHOULD BE DONE ABOUT THE REAR SUSPENSION DEFECT ON THE 2006 R-CLASS MERCEDES. I ALSO OWN A 2006 MERCEDES BENZ R350. THIS VEHICLE KEPT LEANING TO THE RIGHT SIDE. THE AUTOMATIC SUSPENSION ON THE VEHICLE WAS UNEVEN. THE RED LIGHT ASKED ME TO STOP?CAR TOO LOW. I STOPPED AND IT PUMPED UP AGAIN. DROVE A COUPLE OF MILES AND IT DID SAME THING. TOOK TO MB DEALER THEY SAID IT WAS THE SUSPENSION THIS PASSENGER??S SIDE ISSUE OF THE VEHICLE BEING NOTABLY HIGHER THAN THE DRIVER??S SIDE OF THE VEHICLE. LEANING TO ONE SIDE HAS OCCURRED TWICE. THE REAR AIR SPRING SUSPENSION HAS REQUIRED REPLACEMENT TWO TIMES IN THE LAST FIVE MONTHS (7/1/2013 & 11/28/2013): - BOTH SIDES IN THE REAR OF VEHICLE HAVE BEEN REPLACED. - EACH REAR SUSPENSION REPAIR HAS COST ME $1200.00 EACH TIME (TOTALING $2400 FOR REAR AIR SUSPENSION REPLACEMENT). - BOTH REPAIRS OCCURRED BY AN AUTHORIZED MERCEDES DEALER (SMYTH EUROPEAN MERCEDES DEALER IN SANTA CLARA CA). THE MERCEDES BENZ MANUFACTURER IS AWARE OF THESE PROBLEMS BUT HAVE NOT TAKING RESPONSIBILITY TO CREATE A RECALL. *TR

NHTSA ODI #10668205

60,000 miles · Nov 20, 2014
Suspension

TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THE AUTOMATIC SUSPENSION ON THE VEHICLE WAS UNEVEN. ALSO, THE CONTACT MENTIONED THAT THE PASSENGER'S SIDE OF THE VEHICLE WAS HIGHER THAN THE DRIVERS SIDE OF THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. …

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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ R350. THE CONTACT STATED THE AUTOMATIC SUSPENSION ON THE VEHICLE WAS UNEVEN. ALSO, THE CONTACT MENTIONED THAT THE PASSENGER'S SIDE OF THE VEHICLE WAS HIGHER THAN THE DRIVERS SIDE OF THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.

NHTSA ODI #10659800

116,000 miles · Oct 21, 2014
Engine

ENGINE BALANCE SHAFT WEARS EXCESSIVELY TO THE POINT WHERE SOME TEETH ARE ALMOST GONE. CAUSES CHECK ENGINE LIGHT TO COME ON AND EXCESSIVE KNOCKING AS AFFECTS IGNITION TIMING. REPAIR IS EXTREMELY EXPENSIVE AS IT REQUIRES TAKING THE ENGINE OUT. IF LEFT UNFIXED IT MAY STALL THE ENGINE DURING DRIVING AND BE A SAFETY HAZARD. RESEARCH …

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ENGINE BALANCE SHAFT WEARS EXCESSIVELY TO THE POINT WHERE SOME TEETH ARE ALMOST GONE. CAUSES CHECK ENGINE LIGHT TO COME ON AND EXCESSIVE KNOCKING AS AFFECTS IGNITION TIMING. REPAIR IS EXTREMELY EXPENSIVE AS IT REQUIRES TAKING THE ENGINE OUT. IF LEFT UNFIXED IT MAY STALL THE ENGINE DURING DRIVING AND BE A SAFETY HAZARD. RESEARCH ON THE ISSUE ONLINE SHOWS POTENTIALLY THIS ISSUE AFFECTING A LARGE NUMBER OF VEHICLES USING THE SAME ENGINE. *TR

NHTSA ODI #10649085

82,670 miles · Jun 18, 2014
Suspension

REAR AIR SUSPENSION HAS REQUIRED REPLACEMENT 3TIMES IN THE LAST TWENTY FOUR MONTHS. BOTH SIDES IN REAR OF VEHICLE HAVE BEEN REPLACED. NOW LOOKING AT 4TH REPLACEMENT. I CONTINUE TO SEE INCIDENTS ON WEBSITE BUT MERCEDES IS DOING NOTHING ABOUT PROBLEM. *TR

NHTSA ODI #10599219

103,146 miles · May 16, 2014
Power Train

BALANCE SHAFT DETERIORATING EVENTUALLY CAUSING ENGINE FAILURE. *TR

NHTSA ODI #10592047

1,001,002 miles · May 4, 2014
SeatsFireInjury

I WAS DRIVING MY CAR HOME FROM CHURCH, WHILE PULLING UP AT WALGREENS I SAW SMOKE AND FELT A BURN ON MY SKIN...LOOK DOWN AND THERE WE'RE SMOKE COMING OUT MY SEAT THROUGH THE LEATHER. TURNED OFF THE CAR AND IT COOLED THE SMOKE.. WAITED A WHILE AND TURNED CAR ON AGAIN BUT THE SMOKE DIDN'T RETURN. SCARED TO DRIVE CAR. *TR

NHTSA ODI #10586424

55,000 miles · Jan 28, 2014
Air BagsEngineSuspension

THE CAR RISES UP ON ONE SIDE WHEN PUT THRUST HE COMPUTER NO ERROR CODE COMES UP . AFTER A DAY OR SO SITTING IN THE GARAGE GETS BACK TO NORMAL. GOT IT CHECKED BY MECHANIC NO LEAKS . THEN HAPPENED AGAIN THEY RESET THE COMPUTER CHARGED ME . HAPPENED ONCE AGAIN THIS TIME THEY CHANGED THE COMPUTER AND THE CAR SHOWED AIRBAG LEAKING. C…

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THE CAR RISES UP ON ONE SIDE WHEN PUT THRUST HE COMPUTER NO ERROR CODE COMES UP . AFTER A DAY OR SO SITTING IN THE GARAGE GETS BACK TO NORMAL. GOT IT CHECKED BY MECHANIC NO LEAKS . THEN HAPPENED AGAIN THEY RESET THE COMPUTER CHARGED ME . HAPPENED ONCE AGAIN THIS TIME THEY CHANGED THE COMPUTER AND THE CAR SHOWED AIRBAG LEAKING. CAR IS OUT OF WARRANTY . LOOKED UP ON LINE MOSTLY EVERYONE WHO OWNS THIS CAR HAS THIS PROBLEM. THIS CAR HAS LOT OF ISSUES. IT STOPPED IN MIDDLE OF ROAD ON HIGH WAY I WAS LUCKILY SAVED BUT THEY SAID A SHAFT RING BROKE IN THE ENGINE I HAD TO PAY $2000.00 DOLLARS . MERCEDES SHOULD RECALL R 350 FOR SUSPENSION LEAKS. *TR

NHTSA ODI #10561838

80,000 miles · Dec 3, 2013
Electrical SystemFire

TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ R350. THE CONTACT DISCOVERED THAT THE REAR TAILGATE AREA WAS BURNED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT INFORMED OF THE PROBLEM. THE FAILURE MILEAGE WAS 80,000.

NHTSA ODI #10554713

103,000 miles · Nov 28, 2013
Power Train

TRANSMISSION GOES INTO LIMP MODE AFTER SLOWING DOWN ON TO NEAR ZERO ON AN INTERSTATE HIGHWAY. THE RESULT IS THE CAR WILL NOT SHIFT DOWN INTO LOWER GEAR AND THUS WILL NOT ACCELERATE. CAR MUST BE TURNED OFF AND RE-STARTED ON INTERSTATE HIGHWAY IN TRAFFIC IN ORDER TO MAKE THE CAR OPERATE OR ABLE TO MOVE FORWARD. NEEDLESS TO SAY, ST…

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TRANSMISSION GOES INTO LIMP MODE AFTER SLOWING DOWN ON TO NEAR ZERO ON AN INTERSTATE HIGHWAY. THE RESULT IS THE CAR WILL NOT SHIFT DOWN INTO LOWER GEAR AND THUS WILL NOT ACCELERATE. CAR MUST BE TURNED OFF AND RE-STARTED ON INTERSTATE HIGHWAY IN TRAFFIC IN ORDER TO MAKE THE CAR OPERATE OR ABLE TO MOVE FORWARD. NEEDLESS TO SAY, STOPPING AND RE-STARTING A CAR ON THE INTERSTATE IS AN OBVIOUS SAFETY ISSUE... PARTICULARLY WHEN TRAPPED IN THE FAST LANE WITH NO WAY TO CROSS MULTIPLE LANES OF TRAFFIC TO GET TO THE SHOULDER (BECAUSE CAR WILL NOT ACCELERATE AND CANNOT MERGE INTO 70 MPH TRAFFIC TO CROSS). AS THIS IS A VERY COMMON PROBLEM THAT MERCEDES HAS ON SEVERAL PLATFORMS THAT SHARE THE 7-G TRONIC TRANSMISSION, I WOULD THINK THAT MERCEDES MUST ACKNOWLEDGE THE PROBLEM AS THERE IS NO WARNING THAT IT WILL HAPPEN AND WHEN IT DOES IT CAN EASILY PRESENT A VERY DANGEROUS SITUATION. A QUICK SEARCH OF 722.9 TRANSMISSION WILL SHOW HOW COMMON-PLACE THE ISSUE IS. *TR

NHTSA ODI #10554050

119,000 miles · Nov 3, 2013
Engine

MY ENGINE LIGHT CAME ON AND MY CAR BEGAN TO IDLE REALLY HIGH WHEN PARKED OR AT A STOP IN OCTOBER. I WENT TO TWO MERCEDES DEALERS TO CHECK ON THE ISSUE. THE SECOND MERCEDES DEALER/SERVICE CENTER VALIDATED THE FIRST, EXPLAINING IT WAS THE ENGINE BALANCE CRANKSHAFT THAT WAS LOOSE IN THE ENGINE AND IT WOULD COST $6000 TO FIX. I B…

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MY ENGINE LIGHT CAME ON AND MY CAR BEGAN TO IDLE REALLY HIGH WHEN PARKED OR AT A STOP IN OCTOBER. I WENT TO TWO MERCEDES DEALERS TO CHECK ON THE ISSUE. THE SECOND MERCEDES DEALER/SERVICE CENTER VALIDATED THE FIRST, EXPLAINING IT WAS THE ENGINE BALANCE CRANKSHAFT THAT WAS LOOSE IN THE ENGINE AND IT WOULD COST $6000 TO FIX. I BEGAN TO LOOK ON THE INTERNET TO SEE IF ANY RECALLS OR ISSUES LIKE MINE HAVE OCCURRED WITH OTHERS AND I FOUND I WAS NOT ALONE AND A CLASS ACTION LAWSUIT HAD BEEN FILED. *TR

NHTSA ODI #10550697

Official recalls

2

24V298000 · 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

0

No exact-year investigations in this snapshot.