2021 Mercedes-Benz GLE 450 Technical Service Bulletins

376 technical service bulletins (TSBs) are on record for the 2021 Mercedes-Benz GLE 450. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10253715Apr 23, 2024Fuel system, Engine cooling, Electrical system. Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Perform software update for Fuel System Control Module (FSCM) N118. New software is A0009026661.
• 10253706Apr 12, 2024Electrical system, Fuel system. IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION 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 ("MBUSA") is extending the warranty coverage on the Fuel System Control Module (FSCM) software in certain Model Year ("MY") vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000…
• 10252773Mar 15, 2024Electrical system. The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible because "Perform vehicle handover" is displayed. This cannot be carried out. Routine change in software in instrument cluster N133/1. Vehicle handover has not taken place.
• 10252777Mar 11, 2024Electrical system, Body and structure. Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead. The recoding can be carried out as follows: 1. Add AO…
• 10251192Feb 29, 2024Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 21-24 C-Class, EQE, EQS, GLC, GLE, GLS, S-Class, SL (206, 294, 295, 296, 297, 254, 167, 223, 232 platform) vehicles, the MBUX System software does not correspond with the latest series production configuration.
• 10251356Feb 23, 2024Electrical system, Equipment. The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00).
• 10251118Feb 15, 2024Electrical system. After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Software version Remedy A26/17 - MBUX multimedia system (Head unit) unit must be replaced. When the head unit is in this condition, a software update will not remedy the situation.
• 10251176Feb 9, 2024Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, 238, 247, 253, 167, 290, 217, 222 platform) vehicles, the communication module system software does not correspond with the latest series production configuration.
• 10249540Jan 29, 2024Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2019-2023 A-Class, CLA, E-Class, G-Class, GLA, GLB, GLC, GLE, GLS, and S-Class (177, 118, 238, 463, 247, 253, 167, and 222 platform) vehicles, the communication module system software does not correspond with the latest series production configuration. The communication module system will receive an…
• 10249495Jan 24, 2024Steering. Noises in the steering column area when steering. Under analysis. Check which area of the steering column the noises occur in. Do the noises tend to occur at the bottom in the driver footwell or do they tend to occur in the area of the steering column switch module (MRSM/SCCM)? If the noises occur in the area of the MRSM/SCCM, work through the following points: - Loosen screws of the MRSM/SCCM and steering wheel…
• 10249482Jan 24, 2024Steering. The steering wheel generates grinding noises between the steering wheel and steering column switch module during steering maneuvers See example file in the attachments area: Lenkrad-Schleifgeräusch_SteeringWheel-GrindingNoises.mp4 The plastic cover on the back of the steering wheel is not positioned correctly and may therefore rub against the steering column switch module Please use the following noise files for…
• 10249481Jan 24, 2024Steering. A knocking noise can be heard from the area of the steering gear or steering column tube, and a "cracking" sensation can also be felt at the steering wheel. Particularly when braking or accelerating Stick/slip effect in sliding piece of steering coupling. Replace steering coupling.
• 10249726Jan 18, 2024Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, and SLC (205, 117, 257, 213/238, 253, 166/292, 190/290,217/222, 231, 172) vehicles, the software of the communication module does not correspond with the latest series production configuration.
• 10249537Jan 12, 2024Electrical system. Complaint Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates with code 882 may be affected. This is caused by a sporadic loss of communication to the anti-theft alarm system [N26/6]. In many instances there are one or more FCs U110D87, U001988, U016787 stored in the control units anti-theft alarm…
• 10248195Dec 7, 2023Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, C-Class, CLA, CLS, E-Class, EQB, G-Class, GLA, GLB, GLC, GLE, GLS, AMG GT, S-Class (177, 205, 118, 257, 213, 238, 243, 463, 247, 253, 167, 290, 217, 222 platform) vehicles, the communication module system software does not correspond with the latest series production configuration.
• 10248162Dec 4, 2023Seats. Crease formation on genuine leather seat covers in vehicles with low mileage • Objects left on the seats for extended periods of time (pressure marks). • Objects wedged between the seat backrest and seat cushion (e.g. seat belt buckle). • Light initial creases due to vehicle handling. • Light creases in the outer covers originating from the production process (missing finish). Heat treatment of…
• 10248203Dec 1, 2023Electrical system. Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, AMG GT (177, 118, 257, 213, 238, 243, 247, 253,167, 290 platform) vehicles, the head unit software does not correspond to the current series production configuration. The head unit will receive an OTA update to optimize the "Live Traffic Information" service…
• 10244646Oct 25, 2023Visibility (wipers, defrost, mirrors). Excessive resistance of door side windows when being raised/lowered, cracking and/or squeaking noises. Sealing lip of inner sealing rail, see Picture 1 and Picture 2, pos. 90, folds down while side windows are being lowered (opened). When the side windows are raised (closed), the sealing lip is pulled back up again. Replace inner sealing rail. Then perform normalization of the window lifter system in the relevant…
• 10244837Oct 10, 2023Electrical system. The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in particular after the vehicle has been non-operational for an extended period of time; the message then disappears of its own accord after a few minutes. No functional limitation to the emergency call system is to be expected. Software error in…
• 10241527Aug 28, 2023Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles, the communication module software does not correspond with the latest series production configuration. The update is free of charge and will be carried out in the background.
• 10241530Aug 25, 2023Engine cooling. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2021 C-Class (205 platform), CLA (118 platform), G-Class (463 platform), GLC (253 platform), GLA (247 platform) and GLE/GLS (167 platform) vehicles, the installed ignition coils may not correspond to current specifications. As a result, a misfire could occur, followed by potentially reduced engine…
• 10240163Jul 27, 2023Equipment, Body and structure. The customer may note the following complaints: - The central display may remain dark through the entire drive cycle. The instrument cluster display will remain operational. - No audio is present from the sound system - MBUX multimedia system (A26/17) may not be shown on the initial quick test - Various other MBUX multimedia system (A26/17) related complaints Water ingress through the air vent under the front…
• 10240250Jul 19, 2023Electrical system. Mercedes-Benz AG (“MBAG”), 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, the head unit software does not correspond with the latest series production configuration. The update is free of charge and will be carried out in the background. The…
• 10238424Jun 9, 2023Equipment, Electrical system, Other or unknown. In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice versa). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect app via mobile phone (settings -> units)
• 10237252May 25, 2023Body and structure. Complaint Cracking and creaking noise from area of roof frame, C-pillar (inner) when driving on rough terrain. Cause Sheet metal sections in the area of the roof frame, C-pillar (inner) could cause noises due to tension or contact of the sheet metal. Remedy 1. Remove the headliner and detach the head airbag in the working area. 2. Park vehicle in the sun/heat and allow it to warm up. 3. Then perform a test drive…
• 10235676Apr 5, 2023Suspension. Check upper transverse control arm of front axle on left and right, replace upper transverse control arm if necessary
• 10235667Apr 4, 2023Electrical system. Complaint Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON". After the next ignition cycle, the ambient lighting functions again correctly. Cause Software in coupling elements (EKE) faulty. The coupling element software cannot be updated in After-Sales. Remedy In a complaint case, replace the respective wiring harness (coupling elements are installed on the…
• 10233773Mar 23, 2023Engine cooling, Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that the affected vehicles may not meet current On Board Diagnostics (“OBD”) emissions specifications. Under certain conditions, the permanent OBD fault code memory of the 48V ISG control unit may not activate. What We’re Doing MBUSA will conduct a voluntary Emission Recall Campaign in which an authorized Mercedes- Benz…
• 10233784Mar 1, 2023Steering. Complaint Knocking noises from area of steering gear, particularly when decelerating or accelerating. Cause - Remedy Please create a TIPS case with informative videos and send this to the responsible MPC.
• 10232320Feb 10, 2023Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLA-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, GLEClass, GLS-Class, and AMG GT (177, 118, 257, 213, 247, 253, 167 and 290 platform) vehicles without the augmented reality camera (“ARC”), as disclosed at the time of sale to the vehicle purchaser. As a result, the ARC and "Dash-cam"…
• 10232318Feb 8, 2023Transmission and drivetrain, Electrical system. Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 GLE/GLS-Class, E-Class, E-Class Coupe/Convertible, CLS-Class and AMG GT (167, 213, 238, 257 and 290 platforms) vehicles, the 48V battery management system software might not meet specifications which could potentially result in one or more of the following circumstances: Audible tone, and…
• 10231025Jan 7, 2023Steering. Complaint No power steering available following engine start, warning message and indicator lamp "Steering" active in instrument cluster. Fault code P063500: "The electric power steering has a malfunction. _" in control unit N68 "Electric power steering" The fault code details show for "Root_Cause_ErrorID": 60015 - ECU reset occurred - No assist start-up was executed Cause Software error when starting the electric…
• 10231032Jan 5, 2023Latches, locks and linkages, Electrical system. Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
• 10228809Dec 12, 2022Electrical system, Transmission and drivetrain. Complaint This LI does Not apply to 223 or 206 which use a different generation of 48V systems. Please follow the relevant guided tests for the 223 and 206. For 223 with fault code B1FCB97 follow LI54.10-P-073164. Various causes are possible. The faults listed in the various causes do not all have to be present at all times. Some of these complaints may overlap. Rely on the faults listed in the Cause section for…
• 10228819Dec 5, 2022Visibility (wipers, defrost, mirrors). Complaint The mirror glass of the outside mirror is actuated in the wrong direction when retrieving the memory position or retrieving the position of the curb detection automatic system. Left outside mirror: Left/right actuation swapped around Right outside mirror: Up/down actuation swapped around Example: When retrieving from the curb detection automatic system (engaging drive mode R), the mirror moves upward…
• 10228807Dec 1, 2022Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams.
• 10225816Oct 27, 2022Electrical system. Complaint This LI does Not apply to 223 or 206 which use a different generation of 48V systems. Please follow the relevant guided tests for the 223 and 206. For 223 with fault code B1FCB97 follow LI54.10-P-073164. Various causes are possible. The faults listed in the various causes do not all have to be present at all times. Some of these complaints may overlap. Rely on the faults listed in the Cause section for…
• 10225802Oct 7, 2022Electrical system. Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 GLE/GLS-Class, E-Class, E-Class Coupe/Convertible, CLS-Class and AMG GT (167, 213, 238, 257 and 290 platforms) vehicles, the 48V battery management system software might not meet specifications which could potentially result in one or more of the following circumstances: o Audible tone…
• 10222475Sep 12, 2022Body and structure. Complaint Metallic noises from area of instrument panel Cause Due to a possible drop in torque at the screw connection of the NVH struts in the engine compartment (see picture in the attachment), noises may be perceived in the area of the instrument panel. Remedy Replacement of the 8 screws of the NVH struts in the engine compartment.
• 10222461Sep 12, 2022Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle manufacturing date) 1. Replace repair kit for steering column height adjustment 2…
• 10222481Sep 8, 2022Electrical system. Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favorites" category will be unavailable for the entire drive cycle. Cause Current MBUX Multimedia System (A26/17) software release Remedy Software update of MBUX Multimedia System (A26/17) to E905.4 (in development). This document will be…
• 10222468Sep 6, 2022Transmission and drivetrain. Complaint This LI does Not apply to 223 or 206 which use a different generation of 48V systems. Please follow the relevant guided tests for the 223 and 206. For 223 with fault code B1FCB97 follow LI54.10-P-073164. Various causes are possible. The faults listed in the various causes do not all have to be present at all times. Some of these complaints may overlap. Rely on the faults listed in the Cause section for…
• 10219260Aug 15, 2022Engine cooling. Complaint Yellow coolant warning system message appears in instrument cluster. Fault code P048392 or P048397 present in N127 Powertrain Control Unit. Cause Faulty communication between fan and control unit N127-PTCU. Remedy Replace engine fan with part as specified in XENTRY parts information. Group 50/015 part 400. Note: Do not install a lower wattage fan than what was originally installed in vehicle.
• 10219263Aug 1, 2022Seats. Complaint On vehicles with "ARTICO man-made leather upholstery" or "ARTICO man-made leather upholstery / DINAMICA microfiber - black (601A)" the material of the seat side bolster can tear. Both the seat cushion cover and the backrest cover on the front seat can be affected here. Cause The material may tear because the material in the side bolster is not suitable. Remedy Optimized seat covers are now available for…
• 10217144Jul 29, 2022Electronic stability control, Equipment. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (“MY”) 2021 GLE-Class (167 platform) vehicles, the SCN coding of the ESP control unit may not correspond to the current production specification. It is possible that no live data of the ESP control unit is sent to the OBD. What We’re Doing MBUSA will conduct a service campaign.
• 10217142Jul 29, 2022Equipment, Tires. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLE-Class and GLS-Class (167 platform) vehicles equipped with Michelin-branded tires, the maximum tire pressure shown on the B-pillar vehicle placard, may be higher than what is permitted by the manufacturer. Michelin states a maximum tire pressure of 300 kPa (44 PSI) for the originally supplied…
• 10217157Jul 14, 2022Electrical system, Equipment, Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. 1. Steering column height adjustment transmission 2. Seat control unit software Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle…
• 10217158Jul 11, 2022Equipment, Steering. Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible noises. - Instrument panel support - Steering column switch module If the cause of the noise can be narrowed down to the steering column, create a PTSS case
• 10217156Jul 11, 2022Equipment, Suspension. Complaint Malfunction due to the ingress of dirt during the repair of the hydraulic system. Cause Cleaning instructions in WIS are not being sufficiently observed. This can result in dirt entering the hydraulic system of the vehicle or the filling unit. In subsequent filling/emptying procedures, the dirt is then transferred to another vehicle.
• 10217163Jul 8, 2022Equipment, Electrical system. Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Cause A setting on the iPhone may prevent control via the touchpad Remedy To remedy on the affected iPhone, navigate to "Settings" -> "Accessibility" -> "Touch" and turn the "BackTap" option OFF.

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