2006 Mercedes-Benz ML350 Problems & Complaints

Avoid2.1× as many complaints as a typical year of the ML350 at the same age

Owners have filed 172 complaints about the 2006 Mercedes-Benz ML350 with the National Highway Traffic Safety Administration. That is 2.1× as many as a typical ML350 model year at the same age, which makes the 2006 one of the ML350 years to avoid. The most reported problem area is the engine & cooling (53 complaints, typically around 75,000 miles). 2 recalls cover this model year, including 2 with a do-not-drive or park-outside warning.

172complaints
2recalls
10crashes
19fires
10injuries
0deaths

Most common 2006 Mercedes-Benz ML350 problems

  • Engine & cooling~75,000 miles
    5331%
  • 4325%
  • Electrical system~69,000 miles
    2917%
  • Brakes~63,000 miles
    2112%
  • Steering~80,000 miles
    169%
  • Seats~86,000 miles
    148%
  • Air bags~95,000 miles
    95%
  • Lights~82,000 miles
    95%
  • Speed control & acceleration~92,000 miles
    74%
  • Other / not specified~95,000 miles
    53%
  • Fuel & propulsion system~121,000 miles
    53%
  • Wheels & tires~14,000 miles
    42%
  • Suspension~32,000 miles
    42%
  • Stability & traction control~51,000 miles
    42%
  • Locks & latches~52,000 miles
    32%
  • Windows, wipers & sunroof~21,000 miles
    21%
  • Seat belts~178,000 miles
    21%
  • A/C & heater
    11%
  • Body & structure
    11%
  • Driver assistance~152,000 miles
    11%

Share of the 172 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.

Mercedes-Benz ML350 complaints by model year

200320042005200620072008200920102011201220132014201525352317283679310111165566852
Owner complaints per model year, Mercedes-Benz ML350. Colour = our verdict for that year (red: avoid, orange: caution, green: better than average, blue: too new).

Best ML350 years: 2003, 2005, 2004. Years to avoid: 2006, 2010, 2011. Compare all years →

2006 Mercedes-Benz ML350 recalls (2)

Service brakes, hydraulic › Power assist › Vacuum

NHTSA recall 24V-298 · Apr 26, 2024 · 15,604 vehiclesDo not drive

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.

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.

Service brakes, hydraulic › Power assist › Vacuum

NHTSA recall 22V-315 · May 9, 2022 · 350,294 vehiclesDo not drive

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.

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.

What 2006 Mercedes-Benz ML350 owners say

Engine & cooling all 53 →

The contact owns a 2006 Mercedes-Benz ML350. The contact received notification of NHTSA Campaign Number: 24V298000 (Service Brakes, Hydraulic) and the vehicle was taken to the dealer for the recall repair. The contact stated that upon starting the vehicle a week later, the brake warning light and the check engine warning light were illuminated, and the message "Take to Service Center" was displayed. The vehicle was taken back to the dealer, but no assistance was provided. The contact stated while driving at various speeds and depressing the brake pedal, the brakes made an abnormal rubbing and squeaking sound, and the vehicle jerked. The vehicle was taken back to the dealer for the failure to be corrected under the recall, but no assistance was provided. The contact stated that the recall repair failed to correct the failure. The vehicle was not repaired. …

163,000 miles · Jul 2024

Engine has low power and a whine. Also has a Check Engine Light indicating Center Balance Shaft issue. I took it to Merz dealer and they said it's known issue of soft metal sproket internal to engine that occurs often. Many times at 50k miles but I bought my car at 150k. Was told engine could stop moving forward at any time.

Jun 2022

Transmission & drivetrain all 43 →

i encountered a major issue with the Mercedes ML350, while doing a 3 point turn in a busy suburban Toronto street.The electronic shift module left me stuck in Road way. Causing traffic back up and could not move vehicle.neither forward or reverse.tried pushing and different tactics to move vehicle off road. Had to call CAA-AAA. It was a caos situation,first tow truck could not load vehicle,all wheels were locked in drive and would not shift. Had to wait for special tow Have all four wheels lifted off onto dolly. Tow truck driver said it is a common problem.with MB,BMW and Audi.Vehicles towed to dealer sat at dealer. parts on back order and Not available for repair.Since was in Toronto away from Home. …

Sep 2023

My car was included in the balance right shaft recall as 2nd owner I was just made aware as a result my check engine light came on. It was also learned that the car was included in faulty "balance shaft". I should be included because my car has same diagnosis as defective equipment

Jan 2024

Electrical system all 29 →

i encountered a major issue with the Mercedes ML350, while doing a 3 point turn in a busy suburban Toronto street.The electronic shift module left me stuck in Road way. Causing traffic back up and could not move vehicle.neither forward or reverse.tried pushing and different tactics to move vehicle off road. Had to call CAA-AAA. It was a caos situation,first tow truck could not load vehicle,all wheels were locked in drive and would not shift. Had to wait for special tow Have all four wheels lifted off onto dolly. Tow truck driver said it is a common problem.with MB,BMW and Audi.Vehicles towed to dealer sat at dealer. parts on back order and Not available for repair.Since was in Toronto away from Home. …

Sep 2023

After starting the car, two messages appeared on the dash board. Center Gauge read: SRS Restraint System Malfunction Service Required Fuel Gauge read: SRS (in red) Took the car to our certified mechanic. After his diagnostic check- He said it was the Air Bag Module is out. Needs to be replaced at Mercedes Dealership.

May 2025

2006 Mercedes-Benz ML350 engines & fuel economy

EngineTransmissionDriveMPG city / hwy / combined
3.5L 6-cyl7-speed automatic4WD/AWD14 / 19 / 16

EPA ratings. Class: SUV.

Frequently asked questions

Is the 2006 Mercedes-Benz ML350 a good car?

Based on 172 owner complaints filed with NHTSA, the 2006 ML350 rates avoid: 2.1× as many complaints as a typical year of the ML350 at the same age. It is one of the ML350 years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.

What is the most common problem with the 2006 Mercedes-Benz ML350?

The engine & cooling — 53 complaints, 31% of all complaints for this model year, most often about engine. Next are the transmission & drivetrain (43) and electrical system (29).

How many recalls does the 2006 Mercedes-Benz ML350 have?

There are 2 recalls for the 2006 Mercedes-Benz ML350, the most recent from April 26, 2024 (vacuum). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.

What are the best and worst years of the Mercedes-Benz ML350?

The best years by complaints, compared at the same age, are 2003, 2005 and 2004. Years to avoid or approach with caution: 2006, 2010 and 2011. See the full Mercedes-Benz ML350 years comparison.

At what mileage do 2006 Mercedes-Benz ML350 problems happen?

The median mileage reported in complaints is about 69,000 miles; 26% of problems with a recorded mileage started before 50,000 miles.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.