Technical Service Bulletins

• A/C Compressor
  • 167 Air Conditioning System Leak (VERSION 20)
• Accessories Control Systems
  • MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
  • MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
• Automatic Trans
  • Tension-Releasing Impact Of The Propeller Shaft After Vehicle Has Stopped (VERSION 3)
  • Pre-Case Creation For 725.0/. 1 Transmissions (LI27.00-P-075630 V4)
  • Leaks On Transmission 725.0 (LI27.10-P-063063)
• Axle Shafts
  • Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
• Battery Management Systems
  • XENTRY Battery Tester Results Disagree With Workshop Assessment (LI54.10-P-071499 V5)
  • Functional Impairment Of 48 V On-Board Electrical System (VERSION 20)
  • Level 1 Charging Cable For At-Home Charging Is Missing (LI47.70-P-076028)
• Body Interior
  • "SOS - Service Not Activated" Message In The Instrument Cluster After Software Update Of HERMES N112/9 In Gray Import Vehicles (VERSION 1)
  • MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
  • The MERCEDES Me Connect Remote Services Nonfunctional After The Vehicle Is Not Used For An Extended Period Of Time (LI82.85-P-074724)
  • MERCEDES Me Connect Services Cannot Be Activated Due To APN Network Configuration (LI82.85-P-074413)
• Collision/Avoidance
  • Event Codes U0401FC And U0401FD In Control Unit IDC213 - N62/4 (LI54.71-P-077938)
  • Message In Driver Display: "Active Brake Assist Function Restricted" U111B87, U11A600, U0416FE, U151AFE, U151687, U145CFA (LI54.71-P-077857)
• Communication Devices
  • All Models: Potential Concerns With Civic A26/17 - MBUX Multimedia System + Instrument Cluster (Head Unit)] And/Or Displays (VERSION 2)
  • NTG6 - Pending "Over The Air" (OTA) Update Is Permanently Displayed In The MERCEDES Me Connect App; However, Installation Cannot Be Started (LI82.85-P-077496)
  • MBUX Multimedia System: The Head Unit Does Not Start-Up At Ignition On B19C804 (LI82.85-P-069381)
  • MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
  • B129C00 - Instrument Cluster Warning: SOS Inoperative (LI82.85-P-076800)
  • MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
  • Weather App Displays The Temperature In The Wrong Unit (LI82.85-P-075375)
  • The MERCEDES Me Connect Services Cannot Be Activated Due To Sim Test Dataset Value (LI82.85-P-075669)
  • Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
  • MBUX Multimedia System: XENTRY Diagnosis Message "The MBUX Multimedia System: Control Unit Abnormal" (LI82.85-P-071394)
  • Insufficient Wireless Charging With IPHONE 12 Or Newer (LI82.70-P-073025)
  • The MERCEDES Me Connect Remote Services Nonfunctional After The Vehicle Is Not Used For An Extended Period Of Time (LI82.85-P-074724)
  • Garage Door Opener Cannot Be Programmed (LI68.05-P-060306)
  • MERCEDES Me Connect Services Cannot Be Activated Due To APN Network Configuration (LI82.85-P-074413)
  • MBUX Multimedia System: No Connectivity (Offline) (LI82.85-P-070981)
  • MBUX Multimedia System: Map Data Does Not Match With Your System/The Navigation System Cannot Be Activated (LI82.85-P-069961)
• Cooling Fan
  • Engine Fan After-Run Extended Following PTCU Software Update (VERSION 1)
  • Engine Cooling Fan, Model 167 (LI20.40-P-070996 V4)
• Cooling System (Mechanical)
  • ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
  • Coolant Temperature Warning In Ic DTCS P0A9300, P26CE22, U011564 In Various Control Modules (LI20.00-P-071399)
  • M256 Red Coolant Warning, Fault Code U019F00 Or U019F87 In MRG1 (LI20.10-P-075374)
• Cooling Systems
  • ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
• Differentials & Drive Axles
  • Model Series 167: Cracking Noises From The Area Of The Rear Axle Or A Message In The Instrument Cluster "Esp, Abs Failed" (LI35.30-P-077843)
• Electric Converters and Controllers
  • A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
• Electric Motor Systems
  • Noises In The Steering Column Area When Steering (LI46.10-P-077314)
  • Crackling And Cracking Noises When Cornering (LI40.10-P-059248)
• Electronic Steering
  • Instrument Cluster Message For Active Emergency Stop Assist Not Active/Active Lane Keep Assist (VERSION 4)
• Electronic Suspension
  • Malfunction Due To Dirt In The ELECTROHYDRAULIC Suspension (ESUSPENSION) (LI32.50-P-075055)
• Engine Control Systems
  • Functional Impairment Of 48 V On-Board Electrical System (VERSION 20)
  • Event Codes U0401FC And U0401FD In Control Unit IDC213 - N62/4 (LI54.71-P-077938)
  • Vehicle Handover Cannot Be Performed (LI00.20-P-077615)
  • "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
  • Coolant Temperature Warning In Ic DTCS P0A9300, P26CE22, U011564 In Various Control Modules (LI20.00-P-071399)
• Entertainment Systems
  • All Models: Potential Concerns With Civic A26/17 - MBUX Multimedia System + Instrument Cluster (Head Unit)] And/Or Displays (VERSION 2)
  • MBUX Multimedia System Gen20X.I2 Without Premium Sound System - Bass Is Difficult To Hear (VERSION 1)
  • A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
  • NTG6 - Pending "Over The Air" (OTA) Update Is Permanently Displayed In The MERCEDES Me Connect App; However, Installation Cannot Be Started (LI82.85-P-077496)
  • MBUX Multimedia System: The Head Unit Does Not Start-Up At Ignition On B19C804 (LI82.85-P-069381)
  • MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
  • Model Series 167 - Humming Noise Emitted By Speakers (LI82.27-P-072402)
  • MBUX NTG7 Without Code 365 Navigation - Radio Station Logos No Longer Displayed After Software Update (LI82.85-P-076200)
  • MBUX Multimedia System: XENTRY Diagnosis Message "The MBUX Multimedia System: Control Unit Abnormal" (LI82.85-P-071394)
  • My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
  • MBUX Multimedia System: No Connectivity (Offline) (LI82.85-P-070981)
• Exterior Body Panels
  • Identification Of Noise Complaints Of The Vehicle Body-In-White (LI60.00-P-075851)
• Exterior Lights
  • Rear Lamps Fogged Up Or Not LEAKTIGHT (VERSION 2)
  • Instrument Cluster Message - Rear Lamp Turn Signal Light B164B49, B164A49 (LI82.10-P-076837)
  • Memory Function Of Outside Mirror (Actuated Mirror-Inverted) (LI88.79-P-075629)
• Fuel System
  • Fuel Tank Pulsating Knocking Noise (VERSION 1)
• Gauges & Instrument Panels
  • "SOS - Service Not Activated" Message In The Instrument Cluster After Software Update Of HERMES N112/9 In Gray Import Vehicles (VERSION 1)
  • Instrument Cluster Message For Active Emergency Stop Assist Not Active/Active Lane Keep Assist (VERSION 4)
  • Active Steering Assist And Active Emergency Assist Cluster Messages With Tire Pressure Light (VERSION 2)
  • Model Series 167: Cracking Noises From The Area Of The Rear Axle Or A Message In The Instrument Cluster "Esp, Abs Failed" (LI35.30-P-077843)
  • Message In Driver Display: "Active Brake Assist Function Restricted" U111B87, U11A600, U0416FE, U151AFE, U151687, U145CFA (LI54.71-P-077857)
  • Vehicle Handover Cannot Be Performed (LI00.20-P-077615)
  • "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
  • Instrument Cluster Message - Rear Lamp Turn Signal Light B164B49, B164A49 (LI82.10-P-076837)
  • Weather App Displays The Temperature In The Wrong Unit (LI82.85-P-075375)
  • "SOS Nonfunctional" Message In Instrument Cluster And/Or Head Unit (LI82.85-P-075748)
  • Coolant Temperature Warning In Ic DTCS P0A9300, P26CE22, U011564 In Various Control Modules (LI20.00-P-071399)
  • Model Series167: Noises From Area Of Instrument Panel (LI68.10-P-075301)
  • Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
  • Oil Pressure Message In Instrument Cluster (LI18.00-P-073137)
• Headlights
  • Headlamp Leak Test (VERSION 1)
  • Headlamps Or Front Fog Lamps Leaking Or Fogged (VERSION 1)
  • Fogged Headlamp With Desiccant Pack Installed - Closed Ventilation System (VERSION 1)
  • Fogged Headlamp With Desiccant Pack Installed - Open Ventilation System (VERSION 1)
• HVAC Control Systems
  • 167 Air Conditioning System Leak (VERSION 20)
  • Functional Impairment Of 48 V On-Board Electrical System (VERSION 20)
  • Air Conditioning System Does Not Cool (LI83.40-P-070472)
• Infotainment
  • "SOS - Service Not Activated" Message In The Instrument Cluster After Software Update Of HERMES N112/9 In Gray Import Vehicles (VERSION 1)
  • All Models: Potential Concerns With Civic A26/17 - MBUX Multimedia System + Instrument Cluster (Head Unit)] And/Or Displays (VERSION 2)
  • A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
  • NTG6 - Pending "Over The Air" (OTA) Update Is Permanently Displayed In The MERCEDES Me Connect App; However, Installation Cannot Be Started (LI82.85-P-077496)
  • MBUX Multimedia System: The Head Unit Does Not Start-Up At Ignition On B19C804 (LI82.85-P-069381)
  • B129C00 - Instrument Cluster Warning: SOS Inoperative (LI82.85-P-076800)
  • MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
  • MBUX NTG7 Without Code 365 Navigation - Radio Station Logos No Longer Displayed After Software Update (LI82.85-P-076200)
  • The MERCEDES Me Connect Services Cannot Be Activated Due To Sim Test Dataset Value (LI82.85-P-075669)
  • Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
  • MBUX Multimedia System: XENTRY Diagnosis Message "The MBUX Multimedia System: Control Unit Abnormal" (LI82.85-P-071394)
  • MERCEDES Me Connect Services Cannot Be Activated Due To APN Network Configuration (LI82.85-P-074413)
  • MBUX Multimedia System: No Connectivity (Offline) (LI82.85-P-070981)
  • MBUX Multimedia System: Map Data Does Not Match With Your System/The Navigation System Cannot Be Activated (LI82.85-P-069961)
• Lubrication System
  • M254 Oil Pressure Warning - P0524-00 P0524-97 The Oil Pressure Is Too Low (VERSION 1)
  • ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
• Mechanical
  • Oil Pressure Message In Instrument Cluster (LI18.00-P-073137)
  • Engine HYDROLOCK Repairs / Diagnosis (TT 02/11-B)
• Mechanical - Hydraulic
  • Message In Driver Display: "Active Brake Assist Function Restricted" U111B87, U11A600, U0416FE, U151AFE, U151687, U145CFA (LI54.71-P-077857)
  • Diagnosing Complaints Of Brake Pulsation (TT 06/15-O)
  • Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
• Procedures
  • XENTRY Battery Tester Results Disagree With Workshop Assessment (LI54.10-P-071499 V5)
  • Vehicle Handover Cannot Be Performed (LI00.20-P-077615)
  • Vehicle Registration Failure In The State Of CALIFORNIA Due To Arb Adoption Of Bar-OIS Modified Software Regulations (LI07.61-P-073379)
• Seats
  • Model Series 167 - Unable To Fold Seats In Second Or Third Row With Trunk Switches (VERSION 1)
  • Model Series 167: Seats Malfunction In 2ND Or 3RD Seat Row (LI91.12-P-073742 V4)
  • BR167 ARTICO Seat Covers On Front Seat Torn (LI91.18-P-071629)
• Starter
  • XENTRY Battery Tester Results Disagree With Workshop Assessment (LI54.10-P-071499 V5)
  • Functional Impairment Of 48 V On-Board Electrical System (VERSION 20)
• Steering Column
  • Knocking Noise In The Area Of The Steering Gear Or Steering Column Tube When Braking Or Moving Off; The Steering Wheel Can Also Be Felt To "Crack" (LI46.10-P-077391)
  • Noises In The Steering Column Area When Steering (LI46.10-P-077314)
  • Noises In The Steering Wheel Area When Steering (LI46.10-P-077313)
  • Creaking/Humming During Steering Column Adjustment (Height/Longitudinal Adjustment) (LI46.15-P-076223)
  • Steering Wheel Heater And/Or DISTRONIC Function Limited (LI46.11-P-071594)
• Steering Control Systems
  • Knocking Noises From Area Of Steering Gear (LI46.35-P-075933)
• Steering Gear
  • Knocking Noise In The Area Of The Steering Gear Or Steering Column Tube When Braking Or Moving Off; The Steering Wheel Can Also Be Felt To "Crack" (LI46.10-P-077391)
  • Knocking Noises From Area Of Steering Gear (LI46.35-P-075933)
• Suspension Control Systems
  • Malfunction Due To Dirt In The ELECTROHYDRAULIC Suspension (ESUSPENSION) (LI32.50-P-075055)
  • Model Series 167: Software For AIRMATIC Control Unit (LI32.22-P-073368)
• Transfer Case
  • Vibration Or Jolt When Accelerating From The Drivetrain (VERSION 4)
• Transmission Control Systems
  • 2024 & 2025 167 With M256.8 Engine Harsh 5TO4 Shift (VERSION 5)
  • Initial Startup Not Possible After Replacement Of Transmission 725.0 Or Of ELECTROHYDRAULIC Controller Unit (LI27.00-P-068206)
• TSB
  • Proper Application Of Chip Protection Films (VERSION 1)
• Wheel Hubs
  • Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
• Wheels & Tire System
  • Crackling And Cracking Noises When Cornering (LI40.10-P-059248)
  • Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
• Window Motors & Regulators
  • My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
• Wiper/Washer Systems
  • Complaints About Noises Or Poor Windshield Wiper Wiping Performance (LI82.30-P-059239)