2014 Mercedes-Benz M166

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10167564Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
• 10167563The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).
• 10167014The rear seat heating cannot be activated when the customer has set the ambiance illumination to "Neutral" and "Stage 1" or "Stage 2" in the instrument cluster.
• 10166990Thumping noises from front axle when driving over bumps on road.
• 10166975This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the Verizon Telematics systems. If the i-button call failed or if the customer was unable to perform the i-button call, the mbrace agent instructed the customer to make an appointment with their dealer to have the issue corrected and/or i-button call performed. The vehicles impacted range from model year 2002 to 2014.
• 10164811Throttle lift-off clunking noises at drive shafts of rear axle
• 10158308COMAND Online: Some contacts on the telephone are not found via voice control.
• 10158250Garmin MAP PILOT: Traffic information service and possibly voice control inoperative after navigation software update using Download Manager version 2.0.29 or 2.0.30
• 10158216Message "SOS - Service Not Activated" in instrument cluster
• 10158207Message in instrument cluster "Collision Prevention Assist Inoperative"
• 10158206Parking Pilot picture in COMAND display blurred
• 10158200Vehicle does not start, battery discharged.
• 10157089Fault message "AIRMATIC" or "Active Curve System" in instrument cluster
• 10151963Info-Call/S24H-Call/MB Contact: Change of language setting at customer request
• 10151945Audio 20: Symbols in the status line in the central display can overlap
• 10144101Check right front air suspension strut, replace if necessary
• 10136048SCN code the Engine Control Module
• 10136042Creaking noise when adjusting electrical steering column
• 10136035Complaints about poor wiping effect of winshield wiper
• 10136034Fault code P245997, P246397, P245900, P246385 or P246309 stored in engine control unit
• 10136033Fault message in instrument cluster on engine start "Power Steering Malfunction, Service Required"
• 10136029SENTEX gate operator with Clik Card Remote not compatible with Homelink
• 10136026Procedure in case of slight oil traces on TRANSMISSION 722.9
• 10136024Squeaking noise from top of B-pillar when raising and lowering front door side window
• 10136021Engine diagnosis warning lamp active - The fault code P262600 or P262900 relating to the oxygen sensor upstream of the catalytic converter may be stored in the engine control unit
• 10136020Procedure in case of slight oil traces on TRANSMISSION 722.9
• 10136011Warning message in instrument cluster. The fault code P052400 "The oil pressure is too low" is logged in the engine control unit.
• 10135986Odor from the air conditioning
• 10135983Fault code P045600 or P044200 without complaints about engine running characteristics
• 10135980Night performance of 360 camera too dark
• 10135979Audio/COMAND display: Sporadic failures of central display
• 10135977Sound system: Intermittent loss of sound after engine start
• 10135972Model series 166 - Squeaking noises from area of front axle brake
• 10135966Friction power of torque converter lockup clutch is too high (FC 2783) or actuation of torque converter lockup clutch not possible (FC 0741)
• 10135965Fault codes for combustion misfiring shortly after cold start
• 10135963Procedure in case of slight oil traces on TRANSMISSION 722.9 with CODE B03
• 10135962Fault code P045600 or P044200 without complaints about engine running characteristics
• 10135961Friction power of torque converter lockup clutch is too high (FC 2783) or actuation of torque converter lockup clutch not possible (FC 0741)
• 10135952Update Transmission Control Module Software
• 10135944Mobile phone in general: The called party is sometimes difficult to understand in the vehicle, interference noise intermittently audible in the vehicle

Every Mercedes-Benz M166 model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.