2007 mercedes ml500 problems

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Electric Problems Inspection Service

How much does a Electric Problems Inspection cost?

On average, the cost for a Mercedes-Benz ML500 Electric Problems Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2005 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$114.99Shop/Dealer Price$132.49 - $145.62
2003 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
2004 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
2006 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$94.99Shop/Dealer Price$112.48 - $125.60
2007 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$94.99Shop/Dealer Price$112.55 - $125.72
2002 Mercedes-Benz ML500V8-5.0LService typeElectric Problems InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67

Show example Mercedes-Benz ML500 Electric Problems Inspection prices

The battery, and the rest of the electrical system is an absolutely essential component of a vehicle. It not only starts the vehicle but also powers all of the comfort accessories such as the air conditioning, the radio and power windows.

Problems with the electrical system can quickly escalate and affect other components of your vehicle. Electrical system problems should be dealt with quickly and by a professional.

How this system works:

The basic components of the electrical system are the battery, starter and alternator.

The battery provides the entire electrical current to the vehicle before the vehicle is started, including the fuel and ignition systems, which are responsible for starting the vehicle.

The starter uses a small amount of power from the battery to rotate the flywheel, which turns the crankshaft, moving the pistons. Once the vehicle is running, the alternator takes over and keeps the battery charged and the electrical system working. While a vehicle will start with a malfunctioning alternator it won’t run for long.

Common reasons for this to happen:

  • Battery Issues: If the vehicle does not start or even try to turn over there is a very good chance the battery is the problem. Most vehicles have a Battery warning light that will come on if there is an issue with the battery or one of the other electrical system components. In many cases a drained battery is due to the lights being left on. Over time batteries will go bad and need to be replaced. Expect to get three to four years out of a typical battery. Corrosion on the battery can speed up its demise, so keeping a clean battery can help extend its life.

  • Corroded Battery Cables: The battery cables are responsible for transferring the current from the battery to the electrical components in the vehicle. If the vehicle will not start, makes a clicking sound or the radio and other electrical components do not work, the cables could be the problem. Again, corrosion can corrode the cable and the battery terminals. In most cases battery cables cannot be repaired and need to be replaced.

  • Malfunctioning Alternator: The alternator converts the power the crankshaft is generating into electrical energy, which charges the battery. If the alternator is not producing enough voltage the battery can go dead. In most cases a failing alternator will trigger the Battery light to come on. If the alternator completely fails the car will eventually stop running as the battery is not being recharged. Dim lights, a grinding or whirring noise can all be symptoms of a failing alternator.

  • Malfunctioning Voltage Regulator: The voltage regulator is connected to the alternator, it controls how much voltage the alternator sends to the battery. If this component is malfunctioning, the alternator will not send the correct voltage to the battery. Symptoms of a failing voltage regulator include the Battery light coming on, dim lights, dashboard lights that dim or flicker and the engine may start to hesitate.

  • Broken Serpentine Belt: The serpentine belt helps drive the alternator and if it breaks the alternator will no longer function.

  • Blown Fuse: If one specific accessory is not functioning, such as the radio or power windows a blown fuse could be the culprit.

  • Failed or Burnt Out Fusible Link: Fusible links are a high-capacity connector, which protect accessories that are wired directly to the battery. Over time they will fail and in some cases will suddenly burn out. Common symptoms include a pause before the starter turns and slow functioning accessories.

What to expect:

A top­-rated mobile mechanic will come to your home or office to determine the source and cause of the electrical system issue, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How important is this service?

The electrical system not only powers convenience systems like the air conditioner and power windows it also is essential to safety systems such as headlight and brake lights. A malfunctioning electrical system can affect many other vehicle components and in many cases, the vehicle will stop running altogether. Electrical system problems should be addressed immediately.

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Sours: https://www.yourmechanic.com/estimates/mercedes-benz/ml500/electric-problems-inspection

Mercedes-Benz W164: ML Series Problems And Cures


The ML series from 2006-’11 (W164) is the most common SUV from Mercedes-Benz that you’ll see at your shop. The new platform in 2006 saw a new unibody construction, new engines and a change from mechanical systems to more electro-mechanical operation of the engine and drivetrain.

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The M272 (V6) and M273 (V8) engine family was used for the W164. The engine can have port or direct injection, depending on the model year. All the engines do share continuously variable valve timing on both the intake and exhaust camshafts.

The platform was one of the first to receive the 7G-Tronic seven-speed automatic transmission. Mechanically, the 7G-Tronic is bulletproof, but the solenoids and sensors in the valve body can cause problems.

Oil Changes
Missed oil changes on the M272 or M273 can have a direct impact on the longevity of the engine. The main impact that worn out oil will have is on the variable valve timing actuators and the seals inside. The result will be that the actuator solenoids will either not hold pressure or they will seize. Bad oil can cause multiple codes for synchronization of the crankshaft and camshaft, the camshaft control device regulation solenoid valve and other camshaft actuator related codes. Wear to the timing chain can also occur.

When changing the filter, inspect the base of the housing that connects to the block for leaks. Also, inspect the oil cooler connections that are next to the oil filter for leaks.

Balance Shaft
A lot of 2006-’07 model year Mercedes-Benz W164s came with M272 and 273 engines. To smooth out engine vibrations, the engineers put a balance shaft in the center of the engine that is turned by the timing chain. The balance shaft’s gear also acts as an idler pulley for the timing chain.

Many of the balance shafts had idler gears that were defective and would wear down the teeth to the point where the chain would jump. When this happens, the engine is out of balance and the engine timing is off. Typically, codes P1200 and P1208 will be stored in the active memory.

The only way to repair the balance shaft is to remove the engine and replace the idler gear, timing chain and guides. Mercedes-Benz reached a settlement with a class action lawsuit in 2011 amounting to $4,000 per vehicle. It is not uncommon for this type of failure to occur today on W164s with higher mileage.

Heated Seats
On 2006-’08 models, it is not uncommon for the seat heater to short out and give the driver a very hot seat. The driver might notice a burning smell first, and, in some cases, the heater will not work at all. Replacement elements are available.

Intake Manifold
The M272 and M273 have intake manifolds that change the length of the runners and openings to the intake port to improve how the engine breaths at different engine speeds and throttle positions. When the flaps can’t move due to damage to the actuators or the linkages, the driver may complain of poor idle, loss of power and a check engine light with a P2006 code and other codes that can include changes to the long-term fuel trim.

Inside the body of the intake manifold is a flap that essentially changes the length of the runners in the intake manifold. The other two flaps are located where the intake meets the intake ports on the heads. These help to control the air going into the cylinder to improve performance and turbulence.

The flaps are controlled by three vacuum actuators that are connected to linkages. These components are made of plastic. Over time and with exposure to heat, the plastic can become brittle. The flaps can break and become dislodged from the shafts, stop working and potentially fall into the intake ports.

The other potential failure involves the linkages on the intake manifold. Sometimes, the linkages can pop off their mounting points. Most of the time the linkages become brittle and break.

Repairing the intake manifold is straightforward. Just take your time and look for cracks and other damage before you install the manifold back on the engine.

Transmission Valve Body
7G-Tronic is the seven-speed automatic transmission used for the W164 platform. The transmission has the electronic control module mounted between the transmission and valve body. The control module is integrated into a conductor plate that holds the shift solenoids. The conductor plate has the electrical connections for the sensors, solenoids and connector to the vehicle. The conductor plate and control module are not serviceable, while the solenoids and sensor are serviceable. There are replacement modules, but there are services that can repair the conductor plate.

One thing to be aware of is that in the comfort or winter mode, the transmission starts in 2nd gear. But, 2nd gear is also used for reverse.

The most common customer complaint is a loss of shift quality or the transmission remains in gear. Most of these problems are related to the solenoids and the electrical connections from the vehicle to the transmission control module, and connections to the shift solenoids on the conductor plate.

The AMG version of the W164 has the MCT transmission — essentially the 7G-Tronic automatic transmission without a torque converter. Instead of a torque converter, it uses a compact wet startup clutch to launch the car from a stop and also supports computer-controlled double-declutching.

Rusted Brake Lines
On older W164 SUVs in the salt belt states, rust is starting to eat away at the doors and wheel arches. Mercedes-Benz vehicles are not immune to rust and corrosion of the brake lines. The most common area for corrosion is above the fuel tank.

4MATIC
The W164 has an optional low-range transfer case with locking differential in the center and rear for the ML550 and AMG ML53. On most models, the transfer case has its own module that controls the operation of the center differential and high- and low-range operation, as well as distribution of power under normal operation.

A separate module performs the locking of the rear differential. It is typically on the Hi-Speed CAN bus network and needs inputs like throttle position, wheel speeds and even steering angle to operate.

The rear driveshaft typically does not have issues with the joints, but the center differential bearing can fail due to high mileage. The typical symptoms of failure are noise when cold and vibration. Also, the rubber flex disc can degrade and the rubber can separate from metal and cause a vibration.

When it comes to fluids, the 4MATIC transfer case uses automatic transmission fluid that meets Mercedes-Benz standards. The same is true for differentials that use 75w-90 hypoid gear lubricant. The fluid standards for the entire vehicle can be found at bevo.mercedes-benz.com. They even have an app that can be downloaded from the Apple and Google app stores.

Airmatic
The W164 has two Airmatic systems — the standard Airmatic and Airmatic with the Active Dampening System (ADS). The good news is that the air springs can be replaced independently from the struts in the front. The driver can adjust the system, but the air suspension module that looks at data from various modules also adjusts it.

The compressor is the most common component in need of replacement. The compressor’s piston and cylinder are dry. As the compressor runs, a phenolic ring on the piston wears. Eventually, the piston wears and the compressor can’t generate enough pressure. This results in longer run times and even more wear to the ring. The air suspension module knows that for a given amount of time and temperature how much time it should take to fill the reservoir with air for a given correction. If the runtime exceeds the calculated time, a code will be set. Or, if the runtime is excessive, it will shut down the compressor to avoid overheating and possibly damaging the electrical circuit.

The compressor will not typically run when the vehicle is idling. The compressor will run when the vehicle exceeds a specified speed between 25 and 35 mph. If a reservoir is low or depleted, it will run the compressor while the engine is idling.

If you’ve replaced the fuse and relay for the compressor and it now works, look at the current draw. Like all electric motors, when the electric motor starts, it draws about twice the amount of amperage to get the pump moving. It will look like a ramp. This is normal and should be present at the start for only a very short period. If the amperage stays high for an extended period, it could be a sign of mechanical damage to the pump. It will also burn up the new relay and fuse.

Sours: https://www.import-car.com/mercedes-benz-w164-ml-series-common-problems-and-cures/
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Sours: https://www.carcomplaints.com/Mercedes-Benz/ML500/2006/transmission/power_train-automatic_transmission.shtml

Mercedes-Benz M-Class

Reliability History Reliability History The reliability charts are based on responses on hundreds of thousands of vehicles from our latest Annual Auto Survey. Consumer Reports subscribers reported on any serious problems they had with their vehicles during the past 12 months that they considered serious because of cost, failure, safety, or downtime, in any of the trouble spots included in the table below. The results are presented relative to the average model that year. Extra weight is given to the more serious areas such as major engine or transmission problems. Based on this data and further analysis, we predict reliability for the latest year. N/A indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year. Reliability History Reliability History The reliability charts are based on responses on hundreds of thousands of vehicles from our latest Annual Auto Survey. Consumer Reports subscribers reported on any serious problems they had with their vehicles during the past 12 months that they considered serious because of cost, failure, safety, or downtime, in any of the trouble spots included in the table below. The results are presented relative to the average model that year. Extra weight is given to the more serious areas such as major engine or transmission problems. Based on this data and further analysis, we predict reliability for the latest year. N/A indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.

Sours: https://www.consumerreports.org/cars/mercedes-benz/m-class/2007/overview/

Mercedes problems 2007 ml500

Transmission Services for 2007 Mercedes-Benz ML500

2007 Mercedes-Benz ML500 Service Schedule

Not sure when your 2007 ML500 is due for its next transmission service?

143,000 Miles

Maintenance check at 143000 miles for your 2007 Mercedes-Benz ML500 Base

  • INSPECT Automatic Transmission Fluid

What’s the Importance of Your 2007 ML500’s Transmission?

The transmission delivers power from the engine to the wheels so that you can drive on your terms. Because your transmission is responsible for converting the right amount of power into the right amount of speed, a small transmission issue can put a big dent in your ML500’s performance. They're often easy to notice. 2007 Mercedes-Benz ML500 transmission problems could include shifting delays, jumping or grinding during acceleration, a feeling of shakiness, or whistling noises or a burning smell coming from beneath the hood. If you ignore Mercedes-Benz ML500 transmission issues you could see your fuel economy decrease or find that you can't drive your ML500 at all.

Mercedes-Benz Transmission Recommendations for 2007 ML500s

Mercedes-Benz recommends having your ML500's transmission system routinely inspected for wear and tear. First off, the transmission fluid in your ML500 should be exchanged regularly with Mercedes-Benz-approved fluid. Our technicians know how to service your 2007 ML500 up to Mercedes-Benz-recommended standards. Schedule an appointment at your local Firestone Complete Auto Care at the first sign of transmission problems to help diagnose, treat, and prevent major transmission issues.

How Much Do Mercedes-Benz ML500 Transmission Repairs Cost

We work to keep the average cost for Mercedes-Benz ML500 transmission fluid changes and repairs affordable. Stop by your nearest Firestone Complete Auto Care and we'll start your visit with a free Courtesy Check. We'll inspect your ML500's major operating systems so you can have the information you need to make the best decision for your car. Whether your car needs a transmission fluid exchange or preventative maintenance, you can trust our Triple Promise: Fixed Right. Priced Right. Right on Time.

2007 Mercedes-Benz ML500 Questions & Answers

  • What happens when you "ride" your Mercedes-Benz's brakes? Keeping your foot on the brake pedal or lightly but consistently pushing it down can lead to transmission problems. Remember that when you’re driving down winding roads, and opt for engine braking when possible.

  • How much can my Mercedes-Benz tow? Think twice before volunteering to tow a moving trailer, no matter how light the load might seem. The added load can mess with your transmission system if it exceeds your ML500’s towing capacity. Always consult your owner's manual before towing or hauling something.

  • How often does my ML500 transmission fluid need to be checked? Caring for your Mercedes-Benz ML500’s transmission fluid is a great way to help it perform. Some technicians would say that between 30,000 and 60,000 miles is a good timeframe for having your Mercedes-Benz's transmission fluid checked and replaced, but that timeline can vary depending on how your vehicle is used and your manufacturer’s recommendations. The good news is that transmission fluid leaks are affordable to repair and easy to spot.

Sours: https://vehicle.firestonecompleteautocare.com/mercedes-benz/ml500/2007/maintenance/transmission/
ML500 W164 2006 TRANSFER CASE REPAIR CHANGING THE CHAIN AND BEARINGS

Mercedes-Benz ML 500 Problems

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  • Sours: https://www.carsguide.com.au/mercedes-benz/ml500/problems

    Now discussing:

    2005 Mercedes-Benz M-Class Reviews

    Faults:

    Engine head rebuild before 10,000 miles (warranty).

    Crankshaft position sensors (twice) ($512.00).

    Various types of oil leaks ($700.00 each).

    Fuel sender/pump.

    EGR valve.

    DAS - Drive Authorization System failure.

    Transmission plate ($700.00).

    Power steering pump.

    Power steering rack.

    MB Dealer installed used spare tire (unusable). Took 6 months to replace spare tire.

    MB dealer installed used wheel/tire package (lost $5000.00).

    Ignition coils.

    Power steering hoses popping out (lost power steering).

    Dealers rip off their customers with overpriced labor/parts and excessive labor hours.

    Mercedes has doubled/tripled prices of all parts that fail often..

    Price of the vehicle failed from $50,000.00+ to $9,000.00 in 3.5 years due to unreliable/troubled repair records

    Etc.. Etc.. Etc..

    General Comments:

    After 10 years of owning Mercedes Benz models, after owning a ML 320 and a Ml 500 latest model, and after 10 years of belonging to various Mercedes ML forums, I beg you not to buy these vehicles.

    It will be the nightmare of your life unless you are a high end automotive mechanic with lots of high end computer electronic training.. I have seen so many people that have invested $10,000.00 to $20,000.00 dollars in repairs and had to sell their vehicles, at a loss, because they are money pits..

    Do your homework and research the forums and industry reviews for these lemon models.. All models from 1998-2005+ have problems because Mercedes never fixed all the problems. They profit from the problems and the Mercedes dealers see MB owners as cash cows... Don't get a nightmare!!!!

    Sours: http://www.carsurvey.org/reviews/mercedes-benz/m-class/2005/


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