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ProblemsByVin Index / 2008-MERCEDES-BENZ-R-CLASS / COMPLAINTS
Full complaint record · NHTSA

2008 Mercedes-Benz R-Class owner complaints

38 complaints filed with NHTSA on this vehicle . Showing the 300 most recent — grouped by category for scanning.

steering 8 complaints shown

11 total in this category · moderate · avg repair $700 · see steering cluster analysis →
11/20/2014 68,000 mi ODI #10659663.0

Tl* the contact owns a 2008 Mercedes benz r350. The contact stated that while driving at a low speed, an abnormal noise emitted as the steering wheel seized. The contact had to use extreme force in order to maneuver the vehicle. The dealer diagnosed that the power steering oil pressure driving pin needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The VIN was unavailable. The approximate failure mileage was 68,000.

11/14/2019 54,000 mi ODI #11280158.0

Tl* the contact owns a 2008 Mercedes-benz r350v2. The contact stated that the automatic leveling became defective while traveling 30 MPH. In addition, the leveling warning indicator illuminated and the vehicle became difficult to steer. The dealer had not been notified of the failure. The manufacturer was notified. The contact associated the failure with NHTSA campaign number: 08v682000 (steering). The vehicle was not repaired. The failure mileage was 54,000.

10/13/2015 ODI #10781744.0

Coolant tank and pump had to be replaced after learning that oil was leaking into the tank. Eurofix in nashville tn stated its going to always happen. I will have to have it flushed every 3,000 miles due to the leakage is non repairable. Steering pump had to be replaced just found out there was a recall on the part. Am I able to be reimbursed via the Mercedes manufacturer? This car should be replaced with all the issues that I'm having with a better model.

09/17/2012 107,000 mi ODI #10475739.0

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

09/05/2013 80,000 mi ODI #10542010.0

Tl* the contact owns a 2008 Mercedes benz r350. The contact stated that when turning in either direction, the steering wheel would seize and become difficult to turn. The vehicle was taken to an authorized repair shop where the vehicle was diagnosed as having a hydraulic power steering failure. The vehicle was not repaired. The manufacturer was notified of the incident and informed the contact that the VIN was not listed in the NHTSA campaign id number: 08v682000 (steering). The approximate failure mileage was 80000.

08/24/2013 62,000 mi ODI #10537091.0

Groaning sound from steering while turning , leakage of power steering fluid requiring complete replacement of the steering box assembly. *tr

08/10/2016 118,000 mi ODI #10894939.0

My Mercedes r350 sporadically becomes very difficult to steer. I noticed that this happens after a few minutes of city street driving. The steering gets so tight that it requires both hands and a lot of effort to just steer the wheel particularly when parking. Because of this constant battle with the steering wheel I started feeling pain on my shoulder. The steering wheel fluid level is fine and the car has never been in any accident. I called Mercedes benz after finding out that there has been a recall on the 2008 r350s for the same problem but I was told that my car is not part of the recalled batch based on my VIN#. Maybe there is just not enough complaints yet for my 'batch' that they refuse to fix the very same problem that they issued a recall for. My car is the same model, manufact

08/08/2016 105,000 mi ODI #10894239.0

Car occasionally difficult to steer after driving for distance in mountains. Fluid levels appear to be ok but passerby's tell me they can hear steering noise that I do not hear inside when driving. I saw that there is recall for this vehicle and steering rack pin- wondering if my vehicle is part of recall to be repaired by Mercedes.

suspension 7 complaints shown

11 total in this category · moderate · avg repair $900 · see suspension cluster analysis →
12/27/2013 ODI #10557401.0

Rear suspension has failed. After viewing numerous of sites this seems to be a major problem.Mercedes has not recalled this problem and it should.car lowers to the ground and there is no warning when this happens. Changes the control of the steering and could cause an accident. *tr

10/02/2015 ODI #10779359.0

I had to replace the right air bag suspension and 6 months later had to replace the left air bag suspension.

10/02/2015 90,000 mi ODI #10779358.0

The right air bag suspension went out without warning causing the car to become undriveable because it sat on the back right wheel.

09/23/2015 97,513 mi ODI #10775389.0

Tl* the contact owns a 2008 Mercedes benz r350. The contact stated that the vehicle was inclining on the passenger side. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 97,513.

08/01/2017 ODI #11012003.0

I was driving my vehicle than my airshocks blew up and vehicle went down.

07/28/2014 43,000 mi ODI #10616717.0

Tl* the contact owns a 2008 Mercedes benz r350. The contact stated that the vehicle abnormally leaned to the left. The vehicle was taken to a local mechanic for inspection, who located the failure at the air suspensions. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure and current mileage was 43,000. Updated 09/05/14*lj updated 12/3/2014 *js

07/10/2013 67,500 mi ODI #10524153.0

It was diagnosed by Mercedes mechanic that my rear suspension rear air bags are leaking air. I have purchased compatible parts from airbagit.com in mesa az. The airbags failed and the company did not honor the warranty or return agreements. *tr

brakes 3 complaints shown

6 total in this category · moderate · avg repair $450 · see brakes cluster analysis →
10/26/2022 ODI #11490951.0

The contact owns a 2008 Mercedes-Benz R320. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

09/06/2022 ODI #11483064.0

The contact owns a 2008 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 dealer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN tool confirms parts not available.

08/20/2022 ODI #11480317.0

Hi I received a letter from Mercedes for a stop drive recall (NHTSA #22V315, MBUSA ID: 2022050014 & 2022050015), so I bought my Mercedes R350 to the shop for repair on July 15, 2022. Mercedes Benz of Pleasanton (925463-2525) claimed that brake booster parts were not available at that time and I couldn't drive the car, so they left the car at the shop waiting for the parts to become available. Later on when I called, the service rep claimed the parts had been ordered so kept my car in their lot (since July 15, 2022) Since then, I have been on the rental car (that I am still paying for) and I reached out to them multiple times and couldn't get a status update from them, nor schedule for my car return. I Hope NHTSA can help me to receive an update of my recalled vehicle, and their soluti

electrical 1 complaint shown

09/15/2017 115,000 mi ODI #11023728.0

Electrical wiring around headlamps is crumbling and exposing large lengths of bare wires, with up to about 6" of copper wiring exposed in the engine compartment. I replaced a burned out halogen headlamp in june, the other one in august, and the first one went out again about a week ago (and this rate of headlamp replacement is more or less typical; I keep two spares in my car at all times, as burnouts are so frequent). The bare wires may be contributing to the extremely short bulb life and could also cause arcing and potentially an engine fire. Although an engine fire has not happened yet, the arcing is extremely likely. However, the area where this occurs is so has extremely restricted access and direct vision into and around the headlamp mount is not possible. Only upon inserting my iph

engine 1 complaint shown

4 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
08/14/2018 ODI #11119827.0

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 engin

Showing 300 of 38 total complaints. The full federal record is available at nhtsa.gov/vehicle/2008/Mercedes-Benz/R-Class#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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