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1999 Mercedes Benz ML430

Owner reports · Recalls · Investigations

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What owners reported most

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When problems were reported

Mileage at the reported incident

31 reports with mileage · 13 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.

  • Engine And Engine Cooling. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports2 injury reports

Electrical System complaints

5 reports
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65,000 miles · Dec 31, 2013
Electrical SystemEngine And Engine Cooling

DECEMBER 11, 2013 I WAS DRIVING HOME FROM WORK MY BENZ QUIT ON ME IN THE ROAD WOULD NOT START BACK (MY HOME IS WITHIN 2 MILES OF MY WORK) THE DAY BEFORE IT HAD QUIT AS I WAS MAKING A TURN BUT RESTARTED A COUPLE OF DAYS PRIOR I HAD THE CAR WARMING AND IT SHUT OFF WHILE WARMING UP BUT RESTARTED. THERE WAS NO LIGHTS ON THE INSTRUME…

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DECEMBER 11, 2013 I WAS DRIVING HOME FROM WORK MY BENZ QUIT ON ME IN THE ROAD WOULD NOT START BACK (MY HOME IS WITHIN 2 MILES OF MY WORK) THE DAY BEFORE IT HAD QUIT AS I WAS MAKING A TURN BUT RESTARTED A COUPLE OF DAYS PRIOR I HAD THE CAR WARMING AND IT SHUT OFF WHILE WARMING UP BUT RESTARTED. THERE WAS NO LIGHTS ON THE INSTRUMENT DASH PANEL LIT OR STAYING LIT. AFTER SOME INTERNET INVESTIGATING I ASSUME IT WAS THE CRANKSHAFT POSITION SENSOR AS IT HAD ALL THE SIGNS THAT OTHERS HAVE HAD I PURCHASED ONE FOR THE REPAIR SHOP TO INSTALL. THEY HAVE INSTALLED IT BUT BELIEVE THERE IS A PROBLEM WITH THE CRANKSHAFT SO I AM NOT CURRENTLY DRIVING IT. I AM AFRAID TO DRIVE IT WITH IT QUITTING WITHOUT ANY TYPE OF WARNING. MY BENZ HAS LESS THAN 65K I DON'T HAVE THE CURRENT MILEAGE WITH ME AT THIS TIME BUT IF IT IS NEEDED PLEASE LET ME KNOW. *TR

NHTSA ODI #10557938

200,000 miles · Feb 18, 2008
Electrical System

MY VEHICLE SOMETIMES WON'T START AGAIN AFTER IF HAS BEEN RUNNING AND SHUT OFF. FOR EXAMPLE IT FREQUENTLY HAPPENS AT THE GAS STATION. I CAN'T GET MY CAR STARTED AGAIN AFTER I FILL UP FOR SOMETIMES 45 MINUTES. *TR

NHTSA ODI #10218412

66,000 miles · Nov 29, 2004
Electrical SystemEquipmentPower TrainCrash

LN LATE AUGUST, THE "CHECK ENGINE" LIGHT WAS ILLUMINATED ON THE DASHBOARD OF A 1999 MERCEDES BENZML430. CAR WAS DELIVERED TO THE DEALER TO REMEDY THIS PROBLEM. AFTER SEVERAL WEEKS AND TESTS, MERCEDES BENZ DECIDED TO REPLACE TRANSMISSION. OWNER INCURRED COST OF LABOR. IN NOVEMBER, DRIVER WAS PARKING CAR AND REMOVED KEY FROM I…

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LN LATE AUGUST, THE "CHECK ENGINE" LIGHT WAS ILLUMINATED ON THE DASHBOARD OF A 1999 MERCEDES BENZML430. CAR WAS DELIVERED TO THE DEALER TO REMEDY THIS PROBLEM. AFTER SEVERAL WEEKS AND TESTS, MERCEDES BENZ DECIDED TO REPLACE TRANSMISSION. OWNER INCURRED COST OF LABOR. IN NOVEMBER, DRIVER WAS PARKING CAR AND REMOVED KEY FROM IGNITION WHILE TRANSMISSION WAS IN DRIVE. KEY RELEASED IN ERROR CAUSING CAR TO ROLL INTO A RAVINE AND HIT A TREE. MERCEDES HAS DONE NOTHING TO CORRECT THE FAILURE OF THIS IMPORTANT SAFETY FEATURE. IN FACT, THEY STATE THAT THE KEYS(3)ARE WORN DOWN AND NO LONGER PROVIDE THE SAFETY BY LIMITING THE RELEASE OF THE KEY UNLESS THE CAR IS IN PARK MODE. CAR WAS DELIVERED TO MERCEDES BENZ FOR INVESTIGATION. AFTER A TWO WEEK INVESTIGATION, MERCEDES CLAIMS THE KEYS(3) WERE WORN OUT AND THAT IS WHY THIS IMPORTANT SAFETY FEATURE FAILED. MERCEDES IS TAKING NO RESPONSIBILITY FOR CORRECTING THE PROBLEM OR FIXING THE CAR. THE RESULT OF THIS "DEFECT" COULD INVOLVE SEVERAL FATALITIES. IF A DRIVER CAN REMOVE THE KEY FROM THE IGNITION WHEN THE TRANSMISSION IS NOT IN PARK, THIS FEATURE CAN NOT BE CLAIMED AS SAFE. IF MERCEDES CLAIMS THIS IS A KEY ISSUE, THEN ADDITIONAL SAFETY FEATURES SHOULD BE IN PLACE TO ALERT THE CONSUMER TO THIS PROBLEM. WHILE SUBMITTING THIS COMPLAINT, IT WAS NECESSARY TO FILL IN THE FIELD OF "HEADLIGHT LENSES." WRITER WAS NOT GIVEN ANY OPTIONS AND SO INPUTTED THIS INFORMATION IN ORDER TO PROCEED. AS YOU CAN SEE THE HEADLIGHT LENS HAVE NOTHING TO DO WITH THE PROBLEM. ACCORDING TO MERCEDES THIS IS AN IGNITION/TRANSMISSION PROBLEM. *AK

NHTSA ODI #10100723

15,500 miles · Dec 16, 2002
Electrical System

WHILE DRVING IN THE LEFT LANE OF A HIGHWAY WITH MY BABY ON BOARD, MY ML430 SHUTOFF. THIS HAPPENED BEFORE WHILE I WAS DRVING AROUND TOWN AND THE SERVICE DEALER DECLARED THE PROBLEM FIXED EACH TIME I REPORTED IT. WHEN I TOOK THE CAR IN THIS TIME AROUND THE DEALER IMMEDIATELY RECOGNIZED THE PROBLEM BECAUSE THEY SAID IT HAS BEEN H…

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WHILE DRVING IN THE LEFT LANE OF A HIGHWAY WITH MY BABY ON BOARD, MY ML430 SHUTOFF. THIS HAPPENED BEFORE WHILE I WAS DRVING AROUND TOWN AND THE SERVICE DEALER DECLARED THE PROBLEM FIXED EACH TIME I REPORTED IT. WHEN I TOOK THE CAR IN THIS TIME AROUND THE DEALER IMMEDIATELY RECOGNIZED THE PROBLEM BECAUSE THEY SAID IT HAS BEEN HAPPENING TO OTHERS. THIS IS A VERY DANGEROUS SITUATION AND OWNERS OF THESE CARS SHOULD BE NOTIFIED IMMEDIATELY. I NARROWLY ESCAPED A COLLISION WHILE TRAVELLING AT A HIGH RATE OF SPEED. I HAVE NOTIFIED MERCEDES BENZ WHO ARE CLAIMING THAT NHTSA DOES NOT DEEM THIS TO BE A PROBLEM.

NHTSA ODI #10000129

Mileage unknown · Mar 5, 2002
Electrical SystemEngine And Engine Cooling

WHILE DRIVING 60 MPH AND WITHOUT WARNING VEHICLE WILL SHUT OFF. WHILE VEHICLE WAS RESTARTED STEERING WHEEL LOCKED UP DUE TO A MALFUNCTION WITHIN THE COMPUTER SYSTEM. PLEASE PROVIDE ANY FURTHER DETAILS. *AK

NHTSA ODI #8005001

Official recalls

0

No recalls in this snapshot.

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

2

EA08009 · Brake Line Chafe

Opened Apr 28, 2008 · Closed Dec 16, 2009

Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

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.

Additional source detail variants (2)

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

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.

Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

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.

PE03058 · Engine Crankshaft Pulley Failure

Opened Dec 17, 2003 · Closed Apr 22, 2004

Status: closed (inferred from source dates) · Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys

THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS PRELIMINARY EVALUATION TO INVESTIGATE ALLEGATIONS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE THAT COULD RESULT IN LOSS OF POWER-STEERING ASSIST.ODI HAS RECEIVED A TOTAL OF 546 NON-DUPLICATIVE REPORTS THAT ALLEGE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON ALL MERCEDES-BENZ VEHICLES USING THE SUBJECT COMPONENT.THE SUBJECT COMPONENT FAILURES ARE PROGRESSIVE IN NATURE AND ONLY A SMALL PERCENTAGE OF THE COMPLAINTS AND WARRANT CLAIMS INVOLVED A FAILURE THAT HAD PROGRESSED FAR ENOUGH TO EFFECT POWER STEERING PERFORMANCE (6 OF 55 ODI COMPLAINTS REFERENCE INCREASED STEERING EFFORT).THERE HAVE BEEN NO CRASHES OR INJURIES RELATED TO THE ALLEGED DEFECT.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE SUMMARY REPORT ATTACHED FOR FURTHER DETAIL.