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2008 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

21 reports with mileage · 14 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 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Engine complaints

5 reports
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158,000 miles · Jan 10, 2019
Engine

TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ R350. WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE MADE A LOUD NOISE AND THE VEHICLE SHUT OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED DUE TO A FAULTY BALANCE SHAFT. THE ENGINE WAS REPLACED, BUT THE FAILURE RECURRED WITHIN A …

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TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ R350. WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE MADE A LOUD NOISE AND THE VEHICLE SHUT OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED DUE TO A FAULTY BALANCE SHAFT. THE ENGINE WAS REPLACED, BUT THE FAILURE RECURRED WITHIN A COUPLE OF WEEKS. THE VEHICLE WAS TOWED TO ANOTHER MERCEDES-BENZ MECHANIC WHERE THE ENGINE WAS REPLACED AGAIN, BUT THE FAILURE RECURRED AFTER A COUPLE OF DAYS. THE VEHICLE WAS TAKEN BACK TO AN INDEPENDENT MECHANIC AND THE ENGINE WAS REPLACED A THIRD TIME. THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES AND PROVIDED A CASE NUMBER. THE DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 158,000.

NHTSA ODI #11166265

Mileage unknown · Aug 14, 2018
Engine

TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ R350. THE CONTACT STATED THAT THE VEHICLE BEGAN EXPERIENCING ENGINE FAILURES AFTER THE DEALER (SILVER STAR MOTORS, 36-11 NORTHERN BLVD, LONG ISLAND CITY, NY 11101, (855) 216-2452) SERVICED IT DUE TO A FAILURE WITH THE SUN ROOF NOT PROPERLY CLOSING. THE DEALER REPLACED THE SUN ROOF CLIP A…

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TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ R350. THE CONTACT STATED THAT THE VEHICLE BEGAN EXPERIENCING ENGINE FAILURES AFTER THE DEALER (SILVER STAR MOTORS, 36-11 NORTHERN BLVD, LONG ISLAND CITY, NY 11101, (855) 216-2452) SERVICED IT DUE TO A FAILURE WITH THE SUN ROOF NOT PROPERLY CLOSING. THE DEALER REPLACED THE SUN ROOF CLIP AND OIL CAM COVER, THE TRANS OIL LEAK WAS SEALED, AND THE OIL FILTER, HOSES, AND DRIVE BELT WERE REPLACED. THE DEALER STATED THAT THE VEHICLE NEEDED TO BE FURTHER DIAGNOSED TO SERVICE THE ENGINE. THE DEALER SERVICED THE ENGINE AND FOUND THAT THE VEHICLE DROVE ROUGHLY. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE DEALER THEN INDICATED THAT THE ENGINE ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 08V006000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOT NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS NOT AVAILABLE.

NHTSA ODI #11119827

108,976 miles · Jun 23, 2015
Engine

MANIFOLD ISSUES.

NHTSA ODI #10726973

91,801 miles · Mar 28, 2015
EngineSuspension

1. AIR SUSPENSION BAG RT SIDE NEEDED REPLACED. CAR WAS SETTING LOW AND LEANING TO RIGHT REAR- WHILE THIS WAS IN FOR REPAIR HAD MECHANIC CHECK RECENT "CHECK ENGINE " LIGHT CODE CAME UP WITH VERY SERIOUS AND EXPENSIVE ISSUE: 2.BALANCE SHAFT GEAR DEFECTIVE APPARENTLY MERCEDES HAS BEEN AWARE OF THIS PROBLEM, CLASS ACTION SUITS HAVE…

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1. AIR SUSPENSION BAG RT SIDE NEEDED REPLACED. CAR WAS SETTING LOW AND LEANING TO RIGHT REAR- WHILE THIS WAS IN FOR REPAIR HAD MECHANIC CHECK RECENT "CHECK ENGINE " LIGHT CODE CAME UP WITH VERY SERIOUS AND EXPENSIVE ISSUE: 2.BALANCE SHAFT GEAR DEFECTIVE APPARENTLY MERCEDES HAS BEEN AWARE OF THIS PROBLEM, CLASS ACTION SUITS HAVE BEEN FILED- NO RECALL YET. I PLAN TO CALL MERCEDES DEALER TOMORROW- DO NOT ANTICIPATE ANY HELP ON THEIR PART - IF THAT'S THE CASE WILL TRY TO JOIN CLASS ACTION SUIT AS THIS IS A KNOWN AND VERY COSTLY -(THOUSANDS OF DOLLARS) PROBLEM FOR NUMEROUS MB VEHICLES- MANY CLASSES FROM 2007 -2011. MERCEDES BENZ WAS APPARENTLY AWARE OF THIS DEFECT WHEN I PURCHASED MY VEHICLE (USED) FROM LOCAL MB DEALER HERE IN CENTRAL PA ON DEC. 3, 2012. *TR

NHTSA ODI #10702368

107,000 miles · Sep 17, 2012
Electrical SystemEngineSteering

THIS VEHICLE HAS A BALANCE SHAFT AND INTAKE MANIFOLD ISSUE AS WELL AS A AIR SUSPENSION PROBLEM. BOTH PROBLEMS ARE A MANUFACTURE DEFECT THAT IS COMMON IN OTHER MB R350 VEHICLES. MB ACCEPTS THAT THIS VEHICLE MODEL HAVE A CONGLOMERATE OF PROBLEMS AND IS NOT TAKING RESPONSIBILITY TO CREATE A RECALL. THIS VEHICLE IS ALWAYS MAINTAIN …

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THIS VEHICLE HAS A BALANCE SHAFT AND INTAKE MANIFOLD ISSUE AS WELL AS A AIR SUSPENSION PROBLEM. BOTH PROBLEMS ARE A MANUFACTURE DEFECT THAT IS COMMON IN OTHER MB R350 VEHICLES. MB ACCEPTS THAT THIS VEHICLE MODEL HAVE A CONGLOMERATE OF PROBLEMS AND IS NOT TAKING RESPONSIBILITY TO CREATE A RECALL. THIS VEHICLE IS ALWAYS MAINTAIN AND SERVICE BY AN AUTHORIZED MB DEALER AND THEY INSURE THAT IN ANY OF THE PREVIOUS SERVICES THE DIAGNOSIS WAS NEVER IDENTIFIED OR MENTION. THE LOW SUSPENSION IS A SAFETY ISSUE THAT MAY CAUSE THE WHEELS TO RUB AGAINST THE FENDERS AND CAUSE DRIVER TO LOOSE CONTROL. THE BALANCE SHAFT MAY CAUSE THE ENGINE TO LOOSE POWER AND CREATE A REAR ENDING CRASH. *TR 10/01/2012 *JS UPDATED

NHTSA ODI #10475739

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.