Mercedes-Benz S-Class Check Engine Light is On

CarBeast's AI makes sense of symptom descriptions and technician repair notes. It then uses that information to find cases similar to the one you're facing to provide a diagnosis.

Enter your car's symptom:

Diagnose

Enter the VIN or the make, model and model year of your car (e.g., 2012 Toyota Camry):

Similar Cases

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.

What is a repair order?

VIN: WDD**************
Mileage: 20,000 - 30,000 miles
Repair Date: January 2015
Location: New Jersey

CUSTOMER STATES CHECK ENGINE LIGT ON ADDBLUE HEATER DC 4710A737 ENGINE LAMP ON- CONNTECT BATT CHAGRER AND SDS- PERFORMED QUI CK ETST-CODE 20BE1B AND 20BD1B. IN REFERENCE TO LI49.20-P-05 6353. PERFROMED QUIDED TESTS IN DAS. CHECKED REISSTANCE OF H EATIG ELEMENT AT CNNECTOR IN TRUNK. RESISTANCE VALUE OUT O F SEPC. AS PER DAS RESULTS, EMOVED ADDBLUE TANK AND PUMP. R EPLAED ADDBLUE HEATNIG ELEMENT . REINSTALLD, CLEARED AULT CODES. PERFROMED SOFTWARE UPADTE OF SCR CONTROL UNIT . ROAD T EST-OK. ENGINE

VIN: WDD**************
Mileage: 90,000 - 100,000 miles
Repair Date: February 2016
Location: Ohio

665 ... GS10 COOLAT WITH ANTIFEREZE REPLACE , CEHCK LEAKTIGHTNESS. CUSTOMER STATES ADVSIE ON CHECK ENGINE LIGHT

VIN: WDD**************
Mileage: 60,000 - 70,000 miles
Repair Date: December 2017
Location: Virginia

CLIENT STATES VEHCILE WENT INTO NEUTRAL AND CHECK ENGINE LIGHT CAME ON. INTERNAL FAULT OF TRANSMISSION CONDUCTOR PLATE. ELW CONNECTED BATTERY CHARGER SD, PERFORMED QUICKER TEST, FUND FAULT CODE 0730 (The transmission HAS BEEN an impemrissible transmission ratio.) PERFORMED GUIDED TES, CHECKED TRNSMISSION FLUID LEVEL, OK. CHECKED TRANSMISSION ADAPTATIONS, ALL ITH IN RNGE. RR TRANNY ALVE BODY, INSPECETD AND REPLACED VALVE BODY CONDUCTOR LPATE DUE TO AN INTERIOR FAULT. CORRECTED FLUID LEVEL, AND CLEARED FAUT CODE.. CHECK ENGINE LIGHT

VIN: WDD**************
Mileage: 70,000 - 80,000 miles
Repair Date: March 2014
Location: Virginia

CHECK ENGINE LIGHT FONT RIGHT O2 ESNSOR REPLACED ON RO 805099 ON 02/27/2014 PA RTS WARRANTY FW. PERFORMED SDS SHORTED TO GROUND TEST FOND CODE 0565 CURERNT AND STO RED IN ME CONTROL NIT. INSPECTED SELF ADATATION VALUES WIT HIN ALLOWABLE LIMITS. REMOVED AIR FILTER HOUSING. REMOVED ME CONTROL UNIT. PERFORMED RESISTANCES CHECK OF ALL 5 WIRES FRO M CONNECT &quo;M" OF ME CONTRLO UNT TO CONNECTOR FOR R SIDE FRON T 02 SENSOR, ALL .2 OHMS, NO OPENS OR BORKEN WIRES OFUND INS TALED ME 9.7 WIRING TEST HARNESS WITH BREAK OUT BOX, TESTDE CURRENT CONSMUPTION OF HEATING COMPONENT FOR RIGHT FRONT O2 SENSOR, 2AMPS WITHIN SECS. SCREWED UP IS HAPEPNING INTERMITTENT LY, REMOVED AND REPLACED RIGHT FRONT O2 SENSOR . CLEARED FAUL T CODES. AFTRE INSTALLING NEW SESOR , INSPECTED ACTUAL VAULE S, ALL VOLTAGES FOR O2 SENSOR ERE OK. CLEARED ALL GLITCHES COD ES. CHECK ENGINE LIGHT

VIN: WDD**************
Mileage: 60,000 - 70,000 miles
Repair Date: August 2018
Location: New York

client states: cehck engien ligth is on also had loss of power internal fault in the CDI control module I brought the VEHICALS into the workshpo I peformed best practice protective emasures set up an apporved midtronics abttery maintainer and performed an IQT and procured an Initial Quick Test Log (wih BIND UP frame Data; XENTRY and separate printout of the Freeze Frmae Data; DAS)... daignose replaced CDI control module; performed initial start up with coding and teachin pocess. Performed post repair test drive... the vehicle is currently operating as desgined.

Ready to Sign Up?

Create a free account and test drive CarBeast.