2021 Mercedes-Benz E350 Technical Service Bulletins

214 technical service bulletins (TSBs) are on record for the 2021 Mercedes-Benz E350. 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.

• 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…
• 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…
• 10217154Jul 11, 2022Suspension, Equipment. Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shock absorber as a replacement part. In future, the rear axle shock absorber support bushing will be available individually as a replacement part to avoid any unnecessary shock absorber noise.
• 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.
• 10217148Jul 7, 2022Engine cooling, Equipment. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2021 CLA (118 platform), GLE/GLS (167 platform), C-Class (205 platform), E-Class (213 platform), GLA (247 platform), GLC (253 platform), AMG GT (290 platform) and G-Class (463 platform) model series vehicles, the installed ignition coils may not correspond to current specifications.
• 10213051May 27, 2022Brakes. Complaint ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable. Also the adaptive brake lights, Adaptive Brake Assist and/or ATTENTION ASSIST may be unavailable. The brake system continues to operate with normal effectiveness. The support functions listed may be unavailable, but are available again after an ignition off/on cycle.
• 10210919Apr 27, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that certain MY 2021-2022 CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class (118, 177, 213, 238, 247, 253, and 257 platform) vehicles were manufactured without the HERMES control unit, as disclosed to the vehicle purchaser at the time of sale. As a result, the Mercedes Me Connect services including the emergency…
• 10209877Mar 31, 2022Electrical system. Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt battery. The XENTRY battery test may not take into account a single discharge event because the SAM cannot record the data if the battery is discharged. Note: A discharged battery does…
• 10209871Mar 18, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLE-Class, GLS-Class, and GT-Class (167, 177, 213, 247, 257, 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" functions are currently not enabled.
• 10208670Feb 25, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLE-Class, GLS-Class, and GT-Class (167, 177, 213, 247, 257, 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" functions are currently not enabled.
• 10208745Feb 24, 2022Electrical system. Complaint The following complaints may be noted by the customer: • Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data".
• 10208671Feb 4, 2022Electrical system, Equipment. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-22 A-Class (177 platform), CLA-Class (118 platform), CLS-Class (257 platform), E-Class (213 and 238 platform), GLA-Class, GLBClass (247 platform), GLC-Class (253 platform), GLE-Class, GLS-Class (167 platform), and GT-Class (290 platform) vehicles, the software for the MBUX control unit does not…
• 10207198Jan 27, 2022Electrical system. Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (GDO) is not compatible with the opening system installed in the garage. 2. The garage door drive uses a rolling code system. In contrast to the fixed code system, the LED in the mirror in this case flashes green after programming. 3.
• 10207199Jan 9, 2022Electrical system. Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. When comparing the range between the integrated GTO and the garage door hand transmitter, the garage door hand transmitter is tested outside the vehicle. 3. The garage door hand transmitter is being…
• 10207183Jan 4, 2022Equipment, Engine cooling. Complaint Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. Cause Directional control valve may stick. Remedy 1- Read off oil level in instrument cluster and correct if necessary. 2- Perform approx. 10-15 engine starts, then clear fault codes. 3- Perform road test with vehicle. If fault code reoccurs during road…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10206067Dec 2, 2021Equipment, Electrical system. MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated
• 10206063Dec 1, 2021Electrical system. "Functional impairment of 48 V on-board electrical system "
• 10205418Oct 15, 2021Equipment. New service campaign launch information.
• 10205840Sep 17, 2021Other or unknown, Body and structure. Mounting support could be cracked.
• 10205806Aug 30, 2021Equipment. Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data". the navigation menu cannot be opened.
• 10205812Aug 27, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205803Aug 27, 2021Equipment. The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. The contact list may not be fully populated and in some instances, the call list will display telephone numbers but no names.
• 10205785Aug 25, 2021Transmission and drivetrain. If TRANSMISSION 725.1 9G TRONIC FACELIFT exhibits any "shift quality" concerns, vared diagnosis procedures are available to you for selected vehicle model series with STAR3 architecture,
• 10205813Aug 24, 2021Electrical system. On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.
• 10205814Aug 11, 2021Fuel system. Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
• 10205801Aug 10, 2021Equipment. Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable.
• 10205811Aug 9, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205804Aug 9, 2021Equipment. Insufficient charging or no wireless charging with iPhone 12.
• 10205810Aug 3, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205809Aug 2, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints:
• 10199449Jul 2, 2021Equipment. Launch NCU - 2021030010 MY20-21 Various Add Supplementary Booklet to Printed Operators Manual
• 10195221Apr 20, 2021Equipment, Engine cooling, Electrical system. with engine M17x the ME Control Unit: "The Coolant Temperature is Below the Specified Temperature"
• 10191271Mar 24, 2021Electrical system. Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the first Remote Start via the Mercedes me App was canceled and then started again. If the first attempt was stopped by unlocking the doors or if the engine ran for more than 10 minutes, then the second attempt is also successful
• 10191272Mar 19, 2021Steering. Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Should the quick test carried out after the software update still show DTCs with the steering wheel heater and/or Distronic, replace the steering wheel control panels
• 10191274Mar 17, 2021Electrical system. Park Assist warnings (e.g. acoustic/visual warnings from parking sensors) without obvious cause
• 10191278Mar 16, 2021Electrical system. Fault in 12 V interlock circuit
• 10191275Mar 15, 2021Visibility (wipers, defrost, mirrors). Panoramic roof sunblind does not respond to voice commands
• 10191279Mar 12, 2021Electrical system. When ordering the electrohydraulic controller unit (EHS) using the part number stated on the EHS, the wrong parts may be ordered.
• 10191285Mar 10, 2021Steering. V5 SuperSport Steering Wheel - Grinding Noise
• 10191284Mar 10, 2021Electrical system. Fault message in instrument cluster to drive at max. 50 mph
• 10189410Feb 25, 2021Body and structure. Rework Left A-pillar Seam Seal
• 10189407Feb 24, 2021Equipment, Electrical system. In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17)
• 10189406Feb 22, 2021Back-over prevention (rear camera). If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being started, an audible humming noise may emit from the speakers. New sound amp (N40/3) software is currently in development. This document will be updated once it is released. Meanwhile, avoid toggling the drive program or the exhaust flap with 10 seconds of an engine start to avoid the possibility of the complaint…
• 10189404Feb 19, 2021Electrical system. Complaint: 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 identifying the correct Remedy. 1. No start 2. Yellow or red instrument cluster message for 48 V on-board electrical system battery (G1/3) 3.
• 10189409Feb 12, 2021Electrical system, Back-over prevention (rear camera). Update Battery Management System Control Unit Software
• 10186140Dec 17, 2020Electrical system. Functional impairment of 48 V on-board electrical system
• 10186141Dec 10, 2020Electrical system. NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
• 10186142Dec 9, 2020Electrical system. Unmotivated Reaction from Park Assist - model series 213 facelift / 238 facelift with option code 235 (active par- king assist) and option code 501 (surround view system)

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