Technical Service Bulletins

Accessories Control Systems
- MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
- 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)
Anti-Theft Systems
- Anti-Theft Alarm System Triggers Without Obvious Cause (VERSION 3)
Automatic Trans
- Bearing Cap L01 Can Drop Into The Transmission (LI27.40-P-074555)
- A "Transmission Malfunction" Message Is Shown On The Instrument Cluster. P284E00 Fault Code (LI27.00-P-073687)
- Drive Range D Or R Not ENGAGEABLE (LI27.10-P-073688)
- Bearing Cap L01 Can Drop Into The Transmission (LI27.40-P-073393)
- Howling Noise In Interior (LI27.57-P-064623)
Auxiliary Emission Control Systems
- Lower Control Element (Off-Road Control Element) Inoperative During The Diagnosis (LI82.00-P-075726)
Axle Shafts
- Throttle Lift-Off Clunking Noises At Drive Shafts Of Front Axle (VERSION 9)
- Noises At Front Axle When Steering (V6)
- Noises From The Rear Axle Differential, Particularly When Cornering Slowly (LI35.31-P-074854)
- Rattling Or Humming Noise When Steering (LI46.35-P-067339)
- 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)
Blowers, Superchargers & Turbochargers
- All M139 Equipped Vehicles - Fault Code In A64 - Exhaust Gas Turbocharger (Etc): P2F1D01 The Control Unit Was Switched Off Improperly (VERSION 1)
Body Electrical
- Wiring Damage On More Than 10 Wires (LI54.18-P-072022)
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)
Clutch
- Noises From The Rear Axle Differential, Particularly When Cornering Slowly (LI35.31-P-074854)
Collision/Avoidance
- Fault Message "Active Lane Keeping Assist Nonfunctional" In Ic (LI42.47-P-073582)
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)
- MBUX NTG7 - Connectivity Interruptions For Apple CARPLAY Over WI-FI (LI82.85-P-076157)
- 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)
- NTG7 With Software Release E329.5 - Navigation Unavailable (LI82.85-P-076445)
- 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)
- 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: 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)
- Mobile Phone And VCS: Poor Call Quality And/Or Voice Control Misunderstands Commands (LI82.70-P-064726)
Cooling Fan
- Noise From Fan Motor (LI83.10-P-075602)
Cooling System (Mechanical)
- All Vehicles Equipped With M139: CEL For P012800 - The Coolant Temperature Is Below The Coolant Thermostat Specified Temperature (VERSION 29)
- ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
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)
- Noises From The Rear Axle Differential, Particularly When Cornering Slowly (LI35.31-P-074854)
Driveshaft & Universal Joints
- Rattling Or Humming Noise When Steering (LI46.35-P-067339)
Electric Converters and Controllers
- A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
Electric Motor Systems
- Noises At Front Axle When Steering (V6)
- Noises In The Steering Column Area When Steering (LI46.10-P-077314)
Electronic Steering
- Vibrations From Steering After Changing To Winter Tires (LI46.35-P-075129 V4)
- Squeaking Noise From Area Of Input Shaft Of Electric Steering (LI46.35-P-074816)
Engine Control Systems
- All M139 Equipped Vehicles - Fault Code In A64 - Exhaust Gas Turbocharger (Etc): P2F1D01 The Control Unit Was Switched Off Improperly (VERSION 1)
- All Vehicles Equipped With M139: CEL For P012800 - The Coolant Temperature Is Below The Coolant Thermostat Specified Temperature (VERSION 29)
- 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)
- "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
- Tire Pressure Monitoring System (TPMS) Message - TPMS Nonfunctional/Temporarily Unavailable (LI40.15-P-074659)
- Oil Pressure Message In Instrument Cluster On New Vehicles (LI18.40-P-073053)
Entertainment Systems
- All Models: Potential Concerns With Civic A26/17 - MBUX Multimedia System + Instrument Cluster (Head Unit)] And/Or Displays (VERSION 2)
- 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 (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)
- Model Series 118, 177, And 247 With M139 Engine And Without Code 810 - Sound System Volume And Bass Level Too Low (LI82.60-P-072403)
- My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
- 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)
- Incorrect Time In Instrument Cluster And Head Unit Display (LI82.85-P-071988)
- 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)
Exhaust
- All M139 Equipped Vehicles - Fault Code In A64 - Exhaust Gas Turbocharger (Etc): P2F1D01 The Control Unit Was Switched Off Improperly (VERSION 1)
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)
Exterior Lights
- Rear Lamps Fogged Up Or Not LEAKTIGHT (VERSION 2)
Front Suspension
- Noises At Front Axle When Steering (V6)
Fuel 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)
- Engine Indicator Lamp (Mil) On FC P049600 And P049700 Or P044100 In N3/10 (LI47.10-P-073451)
Fuses & Circuit Breakers
- Wiring Damage On More Than 10 Wires (LI54.18-P-072022)
Gauges & Instrument Panels
- All Vehicles Equipped With M139: CEL For P012800 - The Coolant Temperature Is Below The Coolant Thermostat Specified Temperature (VERSION 29)
- "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
- Weather App Displays The Temperature In The Wrong Unit (LI82.85-P-075375)
- M139 Engine: Poor Performance Due To Broken Valve Spring(S) (LI01.30-P-075439)
- A "Transmission Malfunction" Message Is Shown On The Instrument Cluster. P284E00 Fault Code (LI27.00-P-073687)
- Incorrect Time In Instrument Cluster And Head Unit Display (LI82.85-P-071988)
Headlights
- Headlamp Leak Test (VERSION 1)
HVAC Control Systems
- Air Conditioning System And/Or A/C Compressor Nonfunctional/Defective/Blocked (LI83.30-P-073278)
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)
- MBUX NTG7 - Connectivity Interruptions For Apple CARPLAY Over WI-FI (LI82.85-P-076157)
- B129C00 - Instrument Cluster Warning: SOS Inoperative (LI82.85-P-076800)
- The MERCEDES Me Services Cannot Be Activated (Default URLS) (LI82.85-P-076799)
- NTG7 With Software Release E329.5 - Navigation Unavailable (LI82.85-P-076445)
- 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)
- MERCEDES Me Connect Services Cannot Be Activated Due To APN Network Configuration (LI82.85-P-074413)
- 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)
- Incorrect Time In Instrument Cluster And Head Unit Display (LI82.85-P-071988)
- 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
- Water Ingress At A-Pillar (LI77.00-P-063165)
- Staining/Surface Damage On Door Trim Strips And Side Window Trim Element (LI72.00-P-075505)
Lubrication System
- ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
- Oil Pressure Message In Instrument Cluster On New Vehicles (LI18.40-P-073053)
Manual Steering
- Evaluating Play In Rack-And-Pinion Steering (LI46.20-P-071904)
- Rattling Or Humming Noise When Steering (LI46.35-P-067339)
Mechanical
- M139 Engine: Poor Performance Due To Broken Valve Spring(S) (LI01.30-P-075439)
- Oil Pressure Message In Instrument Cluster On New Vehicles (LI18.40-P-073054)
- Engine HYDROLOCK Repairs / Diagnosis (TT 02/11-B)
Mechanical - Hydraulic
- Brake Noise On AMG Vehicles (VERSION 9)
- 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 Registration Failure In The State Of CALIFORNIA Due To Arb Adoption Of Bar-OIS Modified Software Regulations (LI07.61-P-073379)
Seats
- 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)
Steering Column
- Noises In The Steering Column Area When Steering (LI46.10-P-077314)
- Noises In The Steering Wheel Area When Steering (LI46.10-P-077313)
- Windshield Wiper (Front) Running Randomly (LI82.30-P-076224)
- Creaking/Humming During Steering Column Adjustment (Height/Longitudinal Adjustment) (LI46.15-P-076223)
- Slight Grinding Noise When Steering Is Turned To Full Lock (LI40.10-P-072604)
- MBUX Multimedia System: Touchpad On Steering Wheel Not Detected (LI82.85-P-071911)
Steering Control Systems
- Noises At Front Axle When Steering (V6)
- Vibrations From Steering After Changing To Winter Tires (LI46.35-P-075129 V4)
Sun Roof/T-Top/Convertible Top
- Water Ingress At A-Pillar (LI77.00-P-063165)
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)
Transmission Control Systems
- A "Transmission Malfunction" Message Is Shown On The Instrument Cluster. P284E00 Fault Code (LI27.00-P-073687)
- Drive Range D Or R Not ENGAGEABLE (LI27.10-P-073688)
Wheel Hubs
- Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
Wheels & Tire System
- Front Right Tire Pressure Sensor Nonfunctional/Not Detected (VERSION 2)
- Vibrations From Steering After Changing To Winter Tires (LI46.35-P-075129 V4)
- Slight Grinding Noise When Steering Is Turned To Full Lock (LI40.10-P-072604)
- Tire Pressure Monitoring System (TPMS) Message - TPMS Nonfunctional/Temporarily Unavailable (LI40.15-P-074659)
- Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
Window Motors & Regulators
- Windshield Wiper (Front) Running Randomly (LI82.30-P-076224)
- Excessive Resistance Of Door Side Windows When Being Raised And/Or Lowered, Cracking And Squeaking Noises (LI72.00-P-076031)
- Staining/Surface Damage On Door Trim Strips And Side Window Trim Element (LI72.00-P-075505)
- My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
- Automatic Window Raising Inoperative (LI72.40-P-071887)
Wiper/Washer Systems
- Windshield Wiper (Front) Running Randomly (LI82.30-P-076224)
- Complaints About Noises Or Poor Windshield Wiper Wiping Performance (LI82.30-P-059239)