Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 1,808 bulletins for MERCEDES-BENZ
LI07.61-P-076755
Jul 28, 2023
060000 ENGINE AND ENGINE COOLING
Complaint. Customer complains that CEL is active in instrument cluster. May also report rough running. Cause. Software. Remedy. Please update the ME control unit software. The new software should include 177021216. Ensure that a sensor ro
LI07.61-P-076754
Jul 28, 2023
070000 FUEL SYSTEM, GASOLINE
Complaint The customer may complain of the vehicle not starting after being turned off, a yellow 12v Battery Warning message in the instrument cluster and/or a CEL that upon investigation points towards one or more exhaust flaps not respon
LI42.10-P-076753
Jul 28, 2023
030000 SERVICE BRAKES, HYDRAULIC
Complaint Brake squeal Cause Frictional vibrations. There is no effect to braking capability. Remedy >> Refer to LI42.10-P-063502. If bedding in the brakes does not remedy the issue: a) If the noises are coming from the front axl
LI82.62-P-076756
Jul 28, 2023
350000 EQUIPMENT
Perceptible volume jumps at 15 and 10 mph. When reducing the speed of the vehicle, the volume is reduced in clearly perceptible jumps. This is particularly perceptible at a moderate basic volume (i.e. lower than typical levels of househol
LI54.10-P-076742
Jul 27, 2023
110000 ELECTRICAL SYSTEM
The red battery light in the instrument cluster lights up while driving. Voltage drop in alternator / battery / chassis main circuit.
LI80.61-P-076702
Jul 24, 2023
160000 STRUCTURE
Trunk lid cannot be opened and closed with HANDS-FREE ACCESS (HFA). In the EZS control unit (N73), the fault code B1F8C14 ("The top sensor of the rear switch module has malfunctioned. There is a short circuit to ground or an open circuit.
LI20.00-P-076708
Jul 24, 2023
060000 ENGINE AND ENGINE COOLING
Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components. U063200, U063287, U02A900, U02A987, U0698E4, U0698E5, U02C800, U02C887,
NCU-2023070011
Jul 21, 2023
060000 ENGINE AND ENGINE COOLING
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2020 S-Class (222 platform) vehicles, the engine electronics control unit software may not correspond with the c
ELW - Fuel Hose
Jul 21, 2023
070000 FUEL SYSTEM, GASOLINE
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the fuel supply hose in certai
NCU-2023070010
Jul 20, 2023
160000 STRUCTURE
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2022 GLE (167 platform) vehicles, surface damage may have occurred to the outer right front longitudinal member,
NCU - HU Update
Jul 19, 2023
110000 ELECTRICAL SYSTEM
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2024 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles,
SC-2023060007
Jul 14, 2023
060000 ENGINE AND ENGINE COOLING
CL - 2023060007 Update Powertrain Control Unit Software
LI80.61-P-076671
Jul 13, 2023
110000 ELECTRICAL SYSTEM
The trunk lid only opens/closes successfully after several attempts. Coding in the Hands-Free Access control unit (N38). Perform SCN coding in Hands-Free Access control unit (N38).
LI77.25-P-073749
Jul 13, 2023
110000 ELECTRICAL SYSTEM
Rear spoiler sporadically remains in opened position or does not extend and a fault message appears in the instrument cluster. The rear spoiler can then no longer be retracted manually using the button. The function of the rear spoiler i
LI46.35-N-076604
Jul 13, 2023
010000 STEERING
Various concerns in relation to electric power steering including Rattling/humming noise from electric power steering when steering fully turned (see video recordings 01 and 02).
LI63.20-P-076328
Jul 13, 2023
160000 STRUCTURE
Cracking and creaking noise from area of inner B-pillar when driving on rough terrain. Spot welds in the area of the inner B-pillar could cause noises due to tension or contact of the sheet metal. 1. Park vehicle in the sun/heat and a
LI01.00-P-076642
Jul 7, 2023
060000 ENGINE AND ENGINE COOLING
Dull thumping noise or ticking noise under the vehicle in the area of the engine/two-mass flywheel/transmission. Is also faintly audible in the vehicle interior.
NCU-2023060008
Jun 30, 2023
020000 SUSPENSION
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2023 C-Class (206 platform) vehicles, the adhesive seam on the cross-member in the rear area does not correspo
82.22U23249A
Jun 30, 2023
110000 ELECTRICAL SYSTEM
Software update to improve the functionality of the 360 degree roof mounted camera display.
LI72.10-P-076610
Jun 28, 2023
160000 STRUCTURE
Left and/or right front door could scuff or jamb when opening/closing in the rear upper area at the B-pillar cover of the rear doors, see picture 1 Grub screw of upper hinge of left and/or right front door is loose. 1. Remove the gru
LI46.80-P-076622
Jun 26, 2023
010000 STEERING
Rattling/knocking noise from the rear axle steering is audible when driving on rough terrain or cobblestones. Relative movement of toothed rack. Please create a TIPS case. Attach a detailed description of the noise complaint, togethe
LI83.20-P-076623
Jun 26, 2023
130000 VISIBILITY
a?? Insufficient heating output in vehicle interior a?? Customer describes a one-off, loud "plopping" noise during the journey Workshop findings: a?? Refrigerant line between refrigerant compressor and condenser cracked a?? If listed li
LI77.25-P-076544
Jun 20, 2023
110000 ELECTRICAL SYSTEM
Rear spoiler sporadically remains in opened or closed position and a fault message appears in the instrument cluster. The rear spoiler can then no longer be actuated manually using the button. The function of the rear spoiler is re-establ
NCU-2023060007
Jun 16, 2023
060000 ENGINE AND ENGINE COOLING
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2023 GLC (254 platform) vehicles, the powertrain control unit software might not meet current specifications. Under certain conditi
NCU-2023040015
Jun 16, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2023 EQS (296 platform) vehicles, limited or no customer-ready operating instructions and supplemental content were provided with t