Mercedes-benz Ml430 2000

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Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

• Brake lamp switch failure. investigation # PE10050

  Odi opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (bls) operates the stop lamps, a second set (ewm) controls the shift interlock system, and a third set (bs) is used by an on-board diagnostic (obd) system to monitor switch operation.The cruise control monitors the bls signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the obd system to detect a switch fault.When a fault is detected a malfunction indication lamp (mil) is illuminated (driver alert), a diagnostic trouble code (dtc) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to odis january 2011 information request letter, mb explained its assessment of switch failures which was based primarily on evaluation of field return failures.Mb identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to mbs analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance mb claims that bls contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the obd system, resulting in a dtc and subsequent replacement.Electrical contact failures of the bs and ewm contacts result in a dtc also, and ewm contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly mb maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.Mb determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the bls contacts and can cause the internal plastic components to melt.In one scenario overheated bls contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its march 31, 2011 defect notification, mb stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11v-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 m-class and model year 2000 - 2004 m-class amg vehicles.Owner notification letters will be mailed to consumers in september 2011.This action taken by mb is sufficient to resolve the issues raised by this investigation.
  

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• Brake line chafe investigation # EA08009

  Analysis of complaints to odi and mercedes and warranty claim data submitted by mercedes indicates that the alleged defect has occurred at a low rate (36.5 complaints per 100,000 vehicles and 0.29 percent warranty claim rate), with no discernable defect trend indicating that the rate of chafing related brake line failures is increasing.There have been no new complaints since january 2009.When the analysis is limited to incidents of brake line leakage that resulted in allegations of reduced brake effectiveness, the rate drops even further (22.3 complaints per 100,000 vehicles and 0.04 percent warranty claim rate). Mercedes provided data showing that in the rare instances when chafing did progress to brake line leakage the driver would be immediately alerted to a problem by illumination of the bright yellow esp/bas warning lamp and changes in brake pedal feel.Continued operation with a leaking brake line would result in illumination of the bright red brake warning lamp and an audible chime due to low master cylinder reservoir level. Continued operation with the brake warning lamp illuminated would ultimately drain the reservoir for the affected circuit, resulting in loss of the circuit and an approximately 80% increase in stopping distances. Surveys conducted by odi and vrtc indicate that routing anomalies may be more common than the complaint and warranty data suggest for the subject line bundle, with line contact or other routing anomaly noted in 13 of 51 vehicles surveyed by odi and vrtc (25.5%).While evidence of contact between the fuel line and subject brake in a particular vehicle is not necessarily predictive of eventual line failure/leakage, significant chafing wear was noted in two survey vehicles (3.9%).To address concerns with line routing and ensure that lines with evident chafing do not progress to a leak condition, mercedes will conduct an owner notification program instructing owners to bring the vehicles to a dealer for a free inspection and repair.Lines that do not have a spacer (rubber grommet or omega-clip) between the subject fuel and brake lines will have an omega-clip spacer installed to ensure adequate clearance between the lines.Brake lines with chafe marks will be replaced. Accordingly, this investigation has been closed. The closing of this investigation does not constitute a finding by nhtsa that a safety-related defect does not exist. The agency will continue to monitor complaints and other information relating to the alleged defect in the subject vehicles and take further action in the future if warranted. For additional information regarding this engineering analysis refer to the ea08-009 closing report.
  

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• Electronic stability control malfunction investigation # PE07007

  There is no summary currently available
  

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• Engine crankshaft pulley failure investigation # PE03058

  There is no summary currently available
  

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The contact owned a 2000 mercedes benz ml430. The contact stated that while driving approximately 40 mph the abs light had illuminated and smoke was present coming from the steering column. Moments later flames were present coming from under the hood and the subframe of the vehicle. The driver exited the vehicle and the local fire department was called to the scene and extinguished the flames. During the incident, the vehicle was destroyed and later towed away. A police report was filed at the scene. The cause of the failure was not yet determined. The local dealer and manufacturer were not contacted. The failure mileage was 135,000. The vin was not available.

Srs light on

Srs light on

While driving at 60 miles per hour on expressway, car suddenly braked on only the left front wheel. Braking was a severe pumping that lasted about 2 seconds. Was able to move off to the side of the road onto an exit ramp without causing an accident. Fortunately traffic was not heavy and cars behind me were able to avoid hitting me as the car bucked and i moved to the side of th road onto an exit ramp. I stopped to see what may have happened. Noting nothing related to the left ront wheel, i exited the exit ramp and proceeded down a side street at ab out 35 mph when suddenly the left front wheel braked again. I turned off the esp electronic stability function and proceeded slowly down the road. Noting no further incident, i eventually got back on the expressway and proceeded home with no further incident.

Tl* the contact owns a 2000 mercedes-benz ml430. While driving 30 mph, the power steering, est, and abs warning indicators illuminated. The vehicle was taken to mercedes-benz of pittsburgh (4709 baum blvd, pittsburgh, pa 15213) where it was diagnosed, but no codes were populated. The vehicle was not repaired. The manufacturer was not notified of the issue. The failure mileage was 172,000. Updated 11/03/17*lj the consumer provided codes C114214 and C114209 updated 12/1/2017*js

Tl* the contact owns a 2000 mercedes-benz ml430. The contact stated that various warning indicators flashed on the instrument panel several times. The vehicle was taken to a dealer (bobby rahal motorcar company, 10701 perry hwy, wexford, pa 15090, (724) 935-9300) who was unable to replicate and diagnose the failure with the dtc present when the vehicle was inspected by the dealer's mechanic(s). The vehicle was not repaired. The manufacturer was notified of the failure to determine if they could provide a technician and a solution to repair the vehicle. The approximate failure mileage was 172,000. Updated 10/26/17*lj the consumer stated problems with van control, abs light on, ball joint light on, transmission, bas malfunction, ets malfunction, and transmission in low range. *tr

My vehicle was under recall and was serviced on feb 9th 2015 for brake switch dealing with cruise control and power steering low pressure hose on 3/11/2017 the same probelms occured and it is a manufactor issue and not getting justice for getting my vehicle repaired for same issue vehicle as i was driving car it was fixed by mercedes-benz of wappingers falls on feb 9th 2015 but same issue returned.

On 3 seperate occasions, while driving mercedes benz ml430, at either slow speed or 50+ mph, brakes automatically stop the car and skid the tires. I have almost been hit by 5 cars at one time because i was unable to move. Today, 8/15/16, while traveling at a speed of 25 mph, it happened again. Its a very scary situation, especially when you have a baby in your back seat. The chances of getting rear ended or hit by traffic is a huge concern. Why has there not been a recall on this?!?! I have done my research and there have been hundreds upon hundreds of complaints for the same exact thing. It is going to cost over 1,000$ to have this issue fixed, when, if it keeps happening to others, why should it be my responsibility?!?! Recall this already!! Before somebody gets severly injured, or, god forbid, a death occurs!! Come on, get ya'lls acts together. The roads are dangerous enough!!!

Tl* the contact owns a 2000 mercedes-benz ml430. While driving various speeds, the abs engaged without warning and caused the vehicle to slide. The contact stated that the brake and accelerator pedal failed to function when the failure occurred. The vehicle was taken to an independent mechanic who diagnosed that the o-sensor needed to be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 137,000.

Common OBD-II Error Codes

• U1454 [1] U1454
• C1200 [1] ABS Inlet Valve Coil LF Circuit Short To Battery
• C1208 [1] ABS Inlet Valve Coil Rear Circuit Short To Battery
• C1142 [1] Wheel Speed Sensor RF Tone Ring Tooth Missing Fault