Technical Service Bulletins

Accessories Control Systems
- NTG7 - Seat Heating Via Voice Control Erroneous Feedback (Hey MERCEDES) (VERSION 2)
- 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)
- Resetting The Trip Computer Has No Effect On The Indicated Electrical Range (LI54.50-P-063731)
Anti-Theft Systems
- Anti-Theft Alarm System Triggers Without Obvious Cause (VERSION 3)
Automatic Trans
- Pre-Case Creation For 725.0/. 1 Transmissions (LI27.00-P-075630 V4)
- Leaks On Transmission 725.0 (LI27.10-P-063063)
Axle Shafts
- Throttle Lift-Off Clunking Noises At Drive Shafts Of Front Axle (VERSION 9)
- 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 Electrical
- Recall Campaign 2024100006 - Check Acceleration Sensor Wiring Harness Routing (2024100006)
Body Interior
- MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
- The MERCEDES Me Services Cannot Be Activated (Default URLS) (LI82.85-P-076799)
- 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)
- Resetting The Trip Computer Has No Effect On The Indicated Electrical Range (LI54.50-P-063731)
Collision/Avoidance
- The Flap Of The Reversing Camera Opens And Closes By Itself During Forward Travel (VERSION 6)
- 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)
- Anti-Theft Alarm System Triggers Without Obvious Cause (VERSION 3)
- 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)
- The MERCEDES Me Services Cannot Be Activated (Default URLS) (LI82.85-P-076799)
- 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
- Throttle Lift-Off Clunking Noises At Drive Shafts Of Front Axle (VERSION 9)
- Clattering/Knocking Noises From The Area Of The Rear Axle Upon Heavy Acceleration (LI35.30-P-075285)
- 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)
- 167 Clicking Or Ting Noise From Rear Axle (Ting Washer) (LI35.00-P-076385)
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)
- Fault Code P089700 On 167 Chassis (LI28.00-P-075283)
- Vehicle Cannot Be Refueled (LI47.10-P-061579)
Entertainment Systems
- NTG7 - Seat Heating Via Voice Control Erroneous Feedback (Hey MERCEDES) (VERSION 2)
- 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)
- Symptoms With Driver Display And/Or Central Display (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)
- MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
- MBUX Multimedia System (A26/17) - SIRIUSXM "My Favorites" Category Lost After Bus Sleep (LI82.60-P-075292)
- 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)
- Vehicle Cannot Be Refueled (LI47.10-P-061579)
Exterior Lights
- Rear Lamps Fogged Up Or Not LEAKTIGHT (VERSION 2)
- High Beam Assist Nonfunctional And/Or Low Beam Sometimes Stays Illuminated On One Side U118A02, B178392, And U120B97 (LI82.10-P-071235)
- 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)
Frames, Subframes & Crossmembers
- Noise From Area Of Roof Frame, C-Pillar When Driving On Rough Terrain (LI65.20-P-076327)
Fuel System
- Fuel Tank Pulsating Knocking Noise (VERSION 1)
- Vehicle Cannot Be Refueled (LI47.10-P-061579)
Gauges & Instrument Panels
- Instrument Cluster Message For Active Emergency Stop Assist Not Active/Active Lane Keep Assist (VERSION 4)
- 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)
- Resetting The Trip Computer Has No Effect On The Indicated Electrical Range (LI54.50-P-063731)
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)
- High Beam Assist Nonfunctional And/Or Low Beam Sometimes Stays Illuminated On One Side U118A02, B178392, And U120B97 (LI82.10-P-071235)
HVAC Control Systems
- Functional Impairment Of 48 V On-Board Electrical System (VERSION 20)
- Noise From Air Conditioner Housing (Humming) (LI83.40-P-071168)
- Air Conditioning System Does Not Cool (LI83.40-P-070472)
Infotainment
- 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)
- The MERCEDES Me Services Cannot Be Activated (Default URLS) (LI82.85-P-076799)
- MBUX Multimedia System: The Central Display Is Dark, Various Other System Complaints (LI82.85-P-071623)
- MBUX Multimedia System (A26/17) - SIRIUSXM "My Favorites" Category Lost After Bus Sleep (LI82.60-P-075292)
- 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)
Interior/Exterior Trim
- Noise From Area Of Roof Frame, C-Pillar When Driving On Rough Terrain (LI65.20-P-076327)
- Water Ingress At A-Pillar (LI77.00-P-063165)
Interior/Illumination Lights
- Ambient Lighting Malfunctions Sporadically (LI82.20-P-074734)
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)
Manual Steering
- Warning Message "Steering" - No Power Steering Following Engine Start (LI46.35-P-075512)
Manual Trans
- Fault Code P089700 On 167 Chassis (LI28.00-P-075283)
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)
Mirrors
- Whistling From Side Mirrors When Traveling Above 60MPH (LI88.70-P-071478)
Procedures
- XENTRY Battery Tester Results Disagree With Workshop Assessment (LI54.10-P-071499 V5)
- Vehicle Handover Cannot Be Performed (LI00.20-P-077615)
Seats
- NTG7 - Seat Heating Via Voice Control Erroneous Feedback (Hey MERCEDES) (VERSION 2)
- 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)
Sun Roof/T-Top/Convertible Top
- Water Ingress At A-Pillar (LI77.00-P-063165)
Suspension Control Systems
- Malfunction Due To Dirt In The ELECTROHYDRAULIC Suspension (ESUSPENSION) (LI32.50-P-075055)
- Message In Instrument Cluster Indicates Suspension Communication Fault (LI32.50-P-074719)
System
- Vehicle Cannot Be Refueled (LI47.10-P-061579)
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
- Front Door Window Sluggish Or Poorly Adjusted (VERSION 1)
- My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
Wiper/Washer Systems
- Windshield Streaking On Driver Side (VERSION 1)
- Complaints About Noises Or Poor Windshield Wiper Wiping Performance (LI82.30-P-059239)