Technical Service Bulletins

• Accessories Control Systems
  • MERCEDES Me Connect Inoperative/Vehicle Offline (LI82.95-P-076991)
• Anti-Theft Systems
  • Anti-Theft Alarm System Triggers Without Obvious Cause (VERSION 3)
  • Vehicle Cannot Be Unlocked/Vehicle Does Not Start - Starter Battery Discharged (LI54.10-P-071832)
• 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)
  • 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)
  • 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)
• 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)
• Brakes Control Systems
  • Braking Noises From The Front Axle When Braking (4-Piston Brake Caliper Only) (VERSION 5)
• Clutch
  • Noises From The Rear Axle Differential, Particularly When Cornering Slowly (LI35.31-P-074854)
• 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)
  • 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)
  • 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: Map Data Does Not Match With Your System/The Navigation System Cannot Be Activated (LI82.85-P-069961)
• Cooling Fan
  • Noise From Fan Motor (LI83.10-P-075602)
• Cooling System (Mechanical)
  • 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)
  • Braking Noises From The Front Axle When Braking (4-Piston Brake Caliper Only) (VERSION 5)
  • Coupling Of The Rear Axle Differential Has Reached Its Wear Limit P147354, P14759A (LI35.31-P-077429)
  • My22 BR247 (GLA/GLB With 4-Piston Brake Caliper) - Brake Noise From Front Axle When Braking (LI42.10-P-075896)
  • Noises From The Rear Axle Differential, Particularly When Cornering Slowly (LI35.31-P-074854)
• 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
  • Display Dark On ASCM AMG Steering Wheel Buttons, Code U88 (A74/2) (VERSION 1)
  • Vibrations From Steering After Changing To Winter Tires (LI46.35-P-075129 V4)
• Engine Control Systems
  • Coupling Of The Rear Axle Differential Has Reached Its Wear Limit P147354, P14759A (LI35.31-P-077429)
  • "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
  • M260 Chirping Or Tapping Noise At Cold Start (LI05.10-P-075373)
  • Tire Pressure Monitoring System (TPMS) Message - TPMS Nonfunctional/Temporarily Unavailable (LI40.15-P-074659)
• 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 NTG7 Without Code 365 Navigation - Radio Station Logos No Longer Displayed After Software Update (LI82.85-P-076200)
  • MFA2 AMG Variants - Subwoofer Does Not Emit Any Entertainment Sound (LI82.62-P-075184)
  • 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)
• 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)
• Front Suspension
  • Noises At Front Axle When Steering (V6)
• Gauges & Instrument Panels
  • Coupling Of The Rear Axle Differential Has Reached Its Wear Limit P147354, P14759A (LI35.31-P-077429)
  • "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)
  • A "Transmission Malfunction" Message Is Shown On The Instrument Cluster. P284E00 Fault Code (LI27.00-P-073687)
• 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)
  • Vehicle Cannot Be Unlocked/Vehicle Does Not Start - Starter Battery Discharged (LI54.10-P-071832)
• 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)
  • NTG7 With Software Release E329.5 - Navigation Unavailable (LI82.85-P-076445)
  • 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)
  • 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: Map Data Does Not Match With Your System/The Navigation System Cannot Be Activated (LI82.85-P-069961)
• Interior/Exterior Trim
  • Staining/Surface Damage On Door Trim Bars And Side Window Trim Element (LI72.00-P-075656)
• Lubrication System
  • ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
• Mechanical
  • M260 Chirping Or Tapping Noise At Cold Start (LI05.10-P-075373)
  • Engine HYDROLOCK Repairs / Diagnosis (TT 02/11-B)
• Mechanical - Hydraulic
  • Brake Noise On AMG Vehicles (VERSION 9)
  • Braking Noises From The Front Axle When Braking (4-Piston Brake Caliper Only) (VERSION 5)
  • My22 BR247 (GLA/GLB With 4-Piston Brake Caliper) - Brake Noise From Front Axle When Braking (LI42.10-P-075896)
  • 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)
• Starter
  • XENTRY Battery Tester Results Disagree With Workshop Assessment (LI54.10-P-071499 V5)
  • Vehicle Cannot Be Unlocked/Vehicle Does Not Start - Starter Battery Discharged (LI54.10-P-071832)
• 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)
• Steering Control Systems
  • Noises At Front Axle When Steering (V6)
  • Vibrations From Steering After Changing To Winter Tires (LI46.35-P-075129 V4)
• Transfer Case
  • Coupling Of The Rear Axle Differential Has Reached Its Wear Limit P147354, P14759A (LI35.31-P-077429)
• Transmission Control Systems
  • A "Transmission Malfunction" Message Is Shown On The Instrument Cluster. P284E00 Fault Code (LI27.00-P-073687)
• TSB
  • Proper Application Of Chip Protection Films (VERSION 1)
• Wheel Hubs
  • Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
• Wheels & Tire System
  • 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 Bars And Side Window Trim Element (LI72.00-P-075656)
  • My19+ G-Class: Background Noise/Buzzing In Front/Rear Door When Playing Audio Via Sound System (LI72.29-P-074561)
• 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)