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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- MBUX Multimedia System: DASHCAM Temporarily Inoperable (LI82.85-P-073387)
- MBUX Multimedia System: Dynamic Select/Vehicle Settings/Energy Flow Display Incomplete After Software Update (LI82.85-P-073283)
- MBUX Multimedia System: Speech Dialog System (SDS, "Hey MERCEDES") Voice Output Not Present And General SDS System Complaints (LI82.85-P-073229)
- Incorrect Time And/Or Instrument Cluster Message "SOS, Service Not Activated" And/Or MERCEDES Me Connect Services Nonfunctional (LI82.85-P-071453)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
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 Electrical
- Wiring Damage On More Than 10 Wires (LI54.18-P-072022)
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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- MBUX Multimedia System: DASHCAM Temporarily Inoperable (LI82.85-P-073387)
- MBUX Multimedia System: Dynamic Select/Vehicle Settings/Energy Flow Display Incomplete After Software Update (LI82.85-P-073283)
- Free Browsing, Internet Access Via WI-FI HOTSPOT And Internet Radio Nonfunctional (LI82.85-P-068846)
- MBUX Multimedia System: Speech Dialog System (SDS, "Hey MERCEDES") Voice Output Not Present And General SDS System Complaints (LI82.85-P-073229)
- New Map Data Cannot Be Downloaded By The Customer From The MERCEDES Me Portal (LI82.85-P-072730)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
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)
- Radiator Shutter Does Not Close (LI20.00-P-070852)
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)
- Check Engine Light On And FC P146364 Stored In Engine And Fuel Pump Control Units (LI47.20-P-071172 V2)
- Vehicle Handover Cannot Be Performed (LI00.20-P-077615)
- Check Engine Light On And FC P146264 Stored In Engine And Fuel Pump Control Units (LI47.50-P-070263)
- "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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- MBUX Multimedia System: DASHCAM Temporarily Inoperable (LI82.85-P-073387)
- MBUX Multimedia System: Dynamic Select/Vehicle Settings/Energy Flow Display Incomplete After Software Update (LI82.85-P-073283)
- Free Browsing, Internet Access Via WI-FI HOTSPOT And Internet Radio Nonfunctional (LI82.85-P-068846)
- MBUX Multimedia System: Speech Dialog System (SDS, "Hey MERCEDES") Voice Output Not Present And General SDS System Complaints (LI82.85-P-073229)
- MBUX Multimedia System: No GPS Reception/Position Of Vehicle In Navigation Menu Is Inaccurate (LI82.85-P-072960)
- New Map Data Cannot Be Downloaded By The Customer From The MERCEDES Me Portal (LI82.85-P-072730)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
Exterior Body Panels
- Fuel Filler Door Difficult To Open (VERSION 4)
- Identification Of Noise Complaints Of The Vehicle Body-In-White (LI60.00-P-075851)
- 167 Body Noise From B/C/D Pillars (LI63.20-P-073629)
- Fuel Filler Flap Does Not Open Or Opens Slowly On Plug-In Hybrid Gasoline Vehicle (LI88.60-P-073470)
- Fuel Filler Flap Protrudes From Side Panel (LI88.60-P-071962)
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)
- Check Engine Light On And FC P146364 Stored In Engine And Fuel Pump Control Units (LI47.20-P-071172 V2)
- Check Engine Light On And FC P146264 Stored In Engine And Fuel Pump Control Units (LI47.50-P-070263)
Fuses & Circuit Breakers
- Wiring Damage On More Than 10 Wires (LI54.18-P-072022)
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)
- 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)
- MFA2 And 167: Menu Items Missing From Instrument Cluster Display (LI54.30-P-071086)
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)
- 167 GLS Headlight Low Beam Fault (LI82.10-P-070615)
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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- MBUX Multimedia System: Dynamic Select/Vehicle Settings/Energy Flow Display Incomplete After Software Update (LI82.85-P-073283)
- Free Browsing, Internet Access Via WI-FI HOTSPOT And Internet Radio Nonfunctional (LI82.85-P-068846)
- MBUX Multimedia System: Speech Dialog System (SDS, "Hey MERCEDES") Voice Output Not Present And General SDS System Complaints (LI82.85-P-073229)
- MBUX Multimedia System: No GPS Reception/Position Of Vehicle In Navigation Menu Is Inaccurate (LI82.85-P-072960)
- New Map Data Cannot Be Downloaded By The Customer From The MERCEDES Me Portal (LI82.85-P-072730)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
Interior/Exterior Trim
- 167 Body Noise From B/C/D Pillars (LI63.20-P-073629)
- Creaking Noise From Fixed Glass Section Of Panoramic Roof In Area Of Rear Passenger Compartment Grab Handles (LI77.21-P-072113)
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
- Evaluating Play In Rack-And-Pinion Steering (LI46.20-P-071904)
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)
Rear Suspension
- Vehicle Level At Rear Axle Too Low (LI32.22-P-072852)
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)
- Easy Entry/Exit Feature And Automatic Seat Positioning To Size Of Driver Inoperative (LI91.10-P-073267)
- Vibration When Adjusting Seat (LI91.10-P-073256)
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)
- MBUX Multimedia System: Touchpad On Steering Wheel Not Detected (LI82.85-P-071911)
Steering Control Systems
- Knocking Noises From Area Of Steering Gear (LI46.35-P-075933)
- Model Series 167 Steering Wheel Surface Damage (LI46.10-P-073901)
- Vehicle Drifts To Left Or Right (LI46.35-P-072961)
- Vehicle Drifts To Left Or Right (LI46.00-P-072677)
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
- Creaking Noise From Fixed Glass Section Of Panoramic Roof In Area Of Rear Passenger Compartment Grab Handles (LI77.21-P-072113)
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)
- Noise Complaints Relating To The ESUSPENSION (LI32.50-P-072071)
- SUSPENSION DISPLAY MESSAGE - eSUSPENSION (LI32.40-P-072070)
- Suspension Fault Message "Drive At Max 50 Mph" In Instrument Cluster (LI32.34-P-072600)
System
- Check Engine Light On And FC P146364 Stored In Engine And Fuel Pump Control Units (LI47.20-P-071172 V2)
- Check Engine Light On And FC P146264 Stored In Engine And Fuel Pump Control Units (LI47.50-P-070263)
Towing
- Installing Electric Trailer Brake Controller (LI31.19-P-047216)
Towing Systems
- Installing Electric Trailer Brake Controller (LI31.19-P-047216)
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
- Excessive Resistance Of Door Side Windows When Being Raised/Lowered, Cracking And/Or Squeaking Noises (LI72.00-P-072603)
- 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)