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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
- NTG 5*1 COMAND - Scrolling Stations From The Steering Wheel Controls Does Not Function Intermittently (LI82.85-P-066013)
- MBRACE System Software Update (LI82.95-P-070522)
- Message "A Data Plan For Internet Services From MERCEDES Me Portal Is Needed To Use This Service" In The Head Unit (LI82.85-P-069515)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
Automatic Trans
- Clicking/Ticking Noise From Underneath The Vehicle (VERSION 1)
- Harsh Engagement When Changing Gear Range From P To D Or R (VERSION 3)
- 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)
- Lubricating Oil Analysis Information (LI01.00-P-068886)
- Leaks On Transmission 725.0 (LI27.10-P-063063)
- Leak On Transmission 725.0 (9G TRONIC) BR166/292/167 With 4MATIC (LI27.00-P-067577)
Auxiliary Emission Control Systems
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
- I/M 240 Emissions Testing On Dynamometer (14.00/31)
Axle Shafts
- Throttle Lift-Off Clunking Noises At Drive Shafts Of Rear Axle (VERSION 7)
- Rattling Or Humming Noise When Steering (LI46.35-P-067339)
- Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
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)
- NTG 5*1 COMAND - Scrolling Stations From The Steering Wheel Controls Does Not Function Intermittently (LI82.85-P-066013)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
Collision/Avoidance
- Message In Driver Display: "Active Brake Assist Function Restricted" U111B87, U11A600, U0416FE, U151AFE, U151687, U145CFA (LI54.71-P-077857)
- Lane Keeping Assist: Fault Message In Instrument Cluster, Lane Keeping Assist Nonfunctional (LI46.10-P-065829)
- Blind Spot Assist Inoperative (LI54.71-P-056477)
Communication Devices
- 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)
- Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
- 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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
- NTG 5*1 COMAND - Scrolling Stations From The Steering Wheel Controls Does Not Function Intermittently (LI82.85-P-066013)
- MBRACE System Software Update (LI82.95-P-070522)
- MB App IHEART Radio Is No Longer Available After A Head Unit Update (LI82.85-P-068646)
Cooling System (Mechanical)
- ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
- Engines M276, M278 And M176 Minor Oil Leaks Or Oil Seepage (LI01.00-P-067802)
Cooling Systems
- ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
Differentials & Drive Axles
- Humming Noises In Drivetrain In Area Of Rear Axle When Cornering (VERSION 8)
- Throttle Lift-Off Clunking Noises At Drive Shafts Of Rear Axle (VERSION 7)
- Lubricating Oil Analysis Information (LI01.00-P-068886)
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
- Crackling And Cracking Noises When Cornering (LI40.10-P-059248)
Electronic Suspension
- Malfunction Due To Dirt In The ELECTROHYDRAULIC Suspension (ESUSPENSION) (LI32.50-P-075055)
Engine Control Systems
- "SOS Nonfunctional" Message In The Instrument Cluster Display. DTC B129C00 Stored In Control Unit HERMES (LI82.95-P-074844)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
- Engine Oil Level Above Max (LI18.40-P-066105)
Entertainment Systems
- A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
- 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)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
- NTG 5*1 COMAND - Scrolling Stations From The Steering Wheel Controls Does Not Function Intermittently (LI82.85-P-066013)
- Message "A Data Plan For Internet Services From MERCEDES Me Portal Is Needed To Use This Service" In The Head Unit (LI82.85-P-069515)
- The MB Apps Are Inoperative After A Head Unit Software Update (LI82.85-P-068738)
- MB App IHEART Radio Is No Longer Available After A Head Unit Update (LI82.85-P-068646)
- Navigation Destinations Cannot Be Found In Poi Download/"Send2BENZ" Service Inoperative (LI82.85-P-068210)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
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
- 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)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
Front Suspension
- "Active Curve System Malfunction" In Instrument Cluster (LI32.34-P-058736)
- Rumbling Noises From The Area Of The Front Axle. (LI32.22-P-058735)
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)
- Message In Driver Display: "Active Brake Assist Function Restricted" U111B87, U11A600, U0416FE, U151AFE, U151687, U145CFA (LI54.71-P-077857)
- "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)
- "SOS Nonfunctional" Message In Instrument Cluster And/Or Head Unit (LI82.85-P-075748)
- Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
Headlights
- Headlamp Leak Test (VERSION 1)
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
HVAC Control Systems
- 167 Air Conditioning System Leak (VERSION 20)
- Odor Like Crayon Or Vinegar Entering The Passenger Compartment Through The Ventilation System (LI00.00-P-066047)
- Noises From Seat Climate Control/Seat Ventilation (LI91.30-P-068713)
Infotainment
- "SOS - Service Not Activated" Message In The Instrument Cluster After Software Update Of HERMES N112/9 In Gray Import Vehicles (VERSION 1)
- A26/17 - MBUX Multimedia System (Head Unit) NTG7 - Radio Function Is Not Available (VERSION 4)
- 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 NTG7 Without Code 365 Navigation - Radio Station Logos No Longer Displayed After Software Update (LI82.85-P-076200)
- Apple CARPLAY Cannot Be Operated Via Touchpad (LI82.85-P-075044)
- MERCEDES Me Connect Services Cannot Be Activated Due To APN Network Configuration (LI82.85-P-074413)
- COMAND/MBUX USB Map Update: Aborts, Does Not Load To Head Unit (LI82.85-P-071933)
- COMAND Download Manager (DLM): Download Aborted, Does Not Load To Selected USB Drive (LI82.85-P-071912)
- NTG 5*1 COMAND - Scrolling Stations From The Steering Wheel Controls Does Not Function Intermittently (LI82.85-P-066013)
- MBRACE System Software Update (LI82.95-P-070522)
- Message "A Data Plan For Internet Services From MERCEDES Me Portal Is Needed To Use This Service" In The Head Unit (LI82.85-P-069515)
- MB App IHEART Radio Is No Longer Available After A Head Unit Update (LI82.85-P-068646)
- Navigation Destinations Cannot Be Found In Poi Download/"Send2BENZ" Service Inoperative (LI82.85-P-068210)
Interior/Exterior Trim
- Carbon Fiber Repair (LI98.00-P-067242)
Lubrication System
- M254 Oil Pressure Warning - P0524-00 P0524-97 The Oil Pressure Is Too Low (VERSION 1)
- Lubricating Oil Analysis Information (LI01.00-P-068886)
- ALS Engine Oil, Diesel Fuel, And Coolant Analysis Information (LI01.00-P-077591)
- Engines M276, M278 And M176 Minor Oil Leaks Or Oil Seepage (LI01.00-P-067802)
- Engine Oil Level Above Max (LI18.40-P-066105)
Manual Steering
- Evaluating Play In Rack-And-Pinion Steering (LI46.20-P-071904)
- Rattling Or Humming Noise When Steering (LI46.35-P-067339)
Mechanical
- Engines M276, M278 And M176 Minor Oil Leaks Or Oil Seepage (LI01.00-P-067802)
- 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)
- Vibration Or Noise When Braking (LI42.10-P-061801)
- Diagnosing Complaints Of Brake Pulsation (TT 06/15-O)
- Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
Procedures
- Vehicle Registration Failure In The State Of CALIFORNIA Due To Arb Adoption Of Bar-OIS Modified Software Regulations (LI07.61-P-073379)
Rear Suspension
- "Active Curve System Malfunction" In Instrument Cluster (LI32.34-P-058736)
Seats
- Noises From Seat Climate Control/Seat Ventilation (LI91.30-P-068713)
- 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)
- BR213 - Wrinkling In Left And Right Seat Cushion Covers On Rear Bench Seat (LI91.12-P-066074)
- Splitting Of Seat Covers (LI91.10-P-063393)
Starter
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
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)
- Creaking/Humming During Steering Column Adjustment (Height/Longitudinal Adjustment) (LI46.15-P-076223)
- Lane Keeping Assist: Fault Message In Instrument Cluster, Lane Keeping Assist Nonfunctional (LI46.10-P-065829)
Steering Column Switches
- Lane Keeping Assist: Fault Message In Instrument Cluster, Lane Keeping Assist Nonfunctional (LI46.10-P-065829)
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)
- Check Tie Rod Inner Joint Of Steering Gear (LI46.35-P-071462)
- Check Tie Rod Outer Joint Of Steering Gear (LI46.35-P-071461)
Suspension Control Systems
- Malfunction Due To Dirt In The ELECTROHYDRAULIC Suspension (ESUSPENSION) (LI32.50-P-075055)
- "Active Curve System Malfunction" In Instrument Cluster (LI32.34-P-058736)
- Rumbling Noises From The Area Of The Front Axle. (LI32.22-P-058735)
System
- Malfunctions Of Various Control Units And/Or On-Board Power Supply Problems Caused By Water In The Control Unit Tray Under The Driver/Front Passenger Seat (Dislocated, Pinched Or Leaking Condensation Hose) (LI83.00-P-052510)
Transfer Case
- Vibration Or Jolt When Accelerating From The Drivetrain (VERSION 4)
- Leak On Transmission 725.0 (9G TRONIC) BR166/292/167 With 4MATIC (LI27.00-P-067577)
Transmission Control Systems
- Transmission Control Unit Y3/8N4 (Fully Integrated Transmission Control Unit (VGS)) Not Listed In Quick Test; No Communication Possible With VGS (VERSION 2)
- Initial Startup Not Possible After Replacement Of Transmission 725.0 Or Of ELECTROHYDRAULIC Controller Unit (LI27.00-P-068206)
- Procedure For Ordering An ELECTROHYDRAULIC Controller Unit (EHS) For Transmission 725.0 With Transmission Id Between 7250**03964176 And 7250**03977392 (LI27.35-P-072629)
Warning Systems
- Blind Spot Assist Inoperative (LI54.71-P-056477)
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)
- Various Fault Codes Present In TPM Control Unit, Vehicles With Code 475 And Code B03 (LI40.15-P-070175)
- Center Caps On The Wheels May Have Surface Damage, Corrosion, Or Fading (LI40.10-P-068659)
- Cleaning Axle Hubs When Installing Brake Discs (42.10/123A)
Wiper/Washer Systems
- Complaints About Noises Or Poor Windshield Wiper Wiping Performance (LI82.30-P-059239)