Mercedes-Benz M-Class has a Burnt Odor

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Here are some repair orders from CarBeast's database of hundreds of millions of repairs. Browse them or sign up and use Insight to get a full diagnosis.

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VIN: 4JG**************
Mileage: 40,000 - 50,000 miles
Repair Date: February 2015
Location: California

ENG .. ZS11 HSE OF CHARGE AIR DUCT UPSTERAM OF CHAGRE AIR COOLER REPLACE . CLIENT REPORTS BEFORE DRIVING THE VEHICLE SMELLING PSOSIBLY UBRNING OIL COMING FROM THE FRONT OF THE CAR. PLEASE CHEK AND ADVSIE.

VIN: 4JG**************
Mileage: 90,000 - 90,000 miles
Repair Date: February 2020
Location: Washington

DIAGNOSE BRAKING SSTEM. CLIENT STATES THEY KEEP GETTING A MESSAGES STATING INSPECTIONS RAK E FLUID WITH A CONSTANT BRAKE LIGHT. ALSO THE VEHICLE IS EMI TTING A BRUNING RUBBER SEMLL WITH SOME SQUEAKING. PLEASE INSPECT AND ADVISE F/P MASTERS CYLINDER AND BRAKING SYSTEM BOOTER EVRIFIED COMPLAINT. FOUND BRAKE FLID IN BRAKES BOOSTER. ASTER CYLIDNER HAS LEAKING. DRAIEND BRAKE LIQUID RESEVOIR. REMOVED MASTER CYLINDER. REMOVED LOWER DASH PANL ON DIVER SIDE. REMOVED BRAKE BOOSTER. INSTALED REPLACEMENT BOOSTER . INSALLED MASTER CYLINDER AND FLID RESEVOIR. FILLDE LFUID RESEVOIR. BLED BRAKE SSYTEM . CHECKED AND CORRECTED BRAKE FLUID LEVEL. TEST DROVE VEHICLE. HYDRAULIC BRAKING SYSTEM IS WORKING AS DESIGNED.

VIN: 4JG**************
Mileage: 130,000 - 140,000 miles
Repair Date: July 2020
Location: Virginia

INSPECT AUTOMATIC TRANSIMSSION OPERATION. LOW TO SHIFT INTO REVERSE TEST DROVE. UNBLE TO VERIFY COMPLAINT. SHORT ESTED WSDS. NO CODES FOUND RELATED TO THE CUSTOMERS COMPLAINT. CHECKED ALL ADAPTATION VLUES OF THE TRANSMISSION. ALL GETTING ADAPTATION VALUES ARE WELL WIHTIN SPEC. DID FIND A SOFWTARE UPDATE AVAILABLE FOR THE TRANSMISSION . CONNECTED A BATTERY MAINTAINER. ERFORMED SFTWARE UPDATE TO THE TRANSMISSION . DURIG THE TRNSMISSION SERVICE INSPECTED THE TRANSMISSION FLUID AND FILTER. NO DEBIS FUOND IN THE TRANSMISSION. THE FLUID HAD NO BURNT SMELL . COMPARED SHIFTING TO 2 OTHER DIESES. ALL SHIFT INTO REVRSE THE SAME. GOT TRANSMISSION IS SHIFTING IN AND OUT OF REVERSING AND OTHER GEARS PROPERLY @ THIS TMIE.

VIN: 4JG**************
Mileage: 60,000 - 70,000 miles
Repair Date: May 2020
Location: Missouri

CUSTOMER STATES ATFER RUNNNG FOR A WHILE AND PUTING IN THE GARAGE A HOT BUNING SMELL GOODWILL CUSTOMER RETENTIN COVER FROT CYL. HEAD LEAKS...D/C 01 322 04 7 CAMSHAFT VARIABE-VALVE TIMINADJUSTMENT DEVICES (ALL) REMOV/E INSTALL AND IF NECESASRY REPLACE (CYLINDER HEAD

VIN: 4JG**************
Mileage: 110,000 - 120,000 miles
Repair Date: March 2018
Location: Massachusetts

CUSTOMER STATES THERE IS GETTING BURNING SMELL OTICED CAME FROM THE VEHICLE LEAIKNG COVER OF CENTRIFUGE FOR CRANKCASE VENTILATION SYSTEM REMOVE/ INSTALL SEAL

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