2020 Mercedes-Benz GLB 250 Technical Service Bulletins

240 technical service bulletins (TSBs) are on record for the 2020 Mercedes-Benz GLB 250. 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.

• 10205809Aug 2, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints:
• 10199660Jul 8, 2021Engine cooling, Visibility (wipers, defrost, mirrors), Equipment. Coolant warning in instrument cluster - Leak in coolant line
• 10199654Jul 6, 2021Equipment. "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
• 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"
• 10195218Apr 1, 2021Wheels, Body and structure. water could enter rear wheel arch
• 10194141Mar 31, 2021Equipment. New map data cannot be downloaded by the customer from the Mercedes me PortalNew map data cannot be downloaded by the customer from the Mercedes me Portal
• 10191289Mar 29, 2021Equipment. Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy: Deactivate transport mode and drive vehicle for approx 6mi. The DTC then switches to passive and the sensor can be calibrated
• 10191267Mar 29, 2021Lane departure. X247 code 233 - Blind Spot Assist inoperative (fault message in IC) - Fault code C110178 due Positioning of rear left radar sensor
• 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
• 10191281Mar 12, 2021Suspension. Humming noises or vibrations from the area of the rear axle when maneuvering or moving off at traffic lights/intersections.
• 10191276Mar 10, 2021Steering. Noise from the front axle when steering while stationary or when steering at low speeds
• 10191286Mar 9, 2021Steering. Slight grinding noise when steering is turned to full lock
• 10191258Mar 5, 2021Equipment. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020 GLB-Class (247 platform) vehicles, the towing eye storage compartment does not meet specification, and the towing eye may be missing.
• 10189413Feb 25, 2021Transmission and drivetrain. Replace Transmission Mount
• 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)
• 10187794Jan 7, 2021Equipment. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2020 GLB-Class (247 platform), the anti-slip mat (reversible mat) was not included during the production process. What We?re Doing MBUSA will conduct a Service Campaign. An authorized Mercedes-Benz dealer will install the anti-slip mat into the vehicle.
• 10187785Jan 4, 2021Other or unknown, Electrical system, Equipment. The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoken or visual driving instructions. Only the destination information and the current route are shown in the MBUX multimedia system (A26/17)
• 10181200Sep 25, 2020Transmission and drivetrain. Replace automatic transmission
• 10181194Aug 31, 2020Seats, Equipment. BR167 / MFA2 Cracks In Artico Seat Cushion Cover On Front Seat
• 10179904Aug 28, 2020Electrical system. Implausible "service due" instrument cluster message, head unit pop-up, or Mmc message
• 10179961Aug 10, 2020Equipment. Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost
• 10178737Jul 23, 2020Electrical system. MBUX multimedia system: "Favorites" and "Recent destinations" not available
• 10177573Jun 30, 2020Equipment, Visibility (wipers, defrost, mirrors). Wind noises at top of windshield as of approx. 60mph. Sealing lip between windshield and roof. If the gap dimension is outside the tolerance, remove the windshield and reinstall according to the specifications in AR67.10-P-1000-09MFA
• 10177571Jun 30, 2020Exterior lighting, Equipment. Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the…
• 10177569Jun 30, 2020Equipment, 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). Internal hard drive defect. Replacement of internal hard drive. The MBUX multimedia system (A26/17) hard drive is now available separately as a replacement part.
• 10177568Jun 29, 2020Electrical system, Engine. After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. However, in some circumstances a 4MATIC vehicle can also display this message. Previous software release of the instrument cluster control unit (N133/1) Ensure that no complaints exist regarding the 4MATIC system. If no other complaints…
• 10177567Jun 29, 2020Transmission and drivetrain, Electrical system, Engine. When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and perform a software update.
• 10177566Jun 26, 2020Fuel system, Electrical system. Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update SW in FSCU control unit.
• 10177565Jun 25, 2020Equipment. The mobile phone address book is not transferred completely to the multimedia system (COMAND or MBUX). In some cases, the call list shows just the telephone numbers but no names. The problem only occurs in conjunction with the iPhone and software version iOS 13.x.
• 10177563Jun 22, 2020Equipment. During a phone call, the Bluetooth connection between the MBUX multimedia system (A26/17) and a paired mobile phone may be briefly lost. The mobile phone will then reconnect with no user input.
• 10177557Jun 16, 2020Equipment. Air conditioning system may occasionally not cool at outside temperatures >40°C
• 10177544Jun 5, 2020Air bags, Electrical system. A fixed SRS message is displayed in the instrument cluster. Cause is not safety-relevant and does not affect function of safety systems.
• 10176665May 28, 2020Electrical system. Implausible "service due" instrument cluster message, head unit pop-up, or MMC message
• 10176663May 19, 2020Engine. Check engine indicator light active and fault code P261029/P02FF85/P02FF02 stored in engine control unit
• 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
• 10171660Jan 30, 2020Suspension. Replace Torsion Bar of the Rear Axle
• 10169586Nov 14, 2019Equipment. EASY-Pack liftgate does not fully open
• 10205154Aug 5, 2016Engine cooling, Other or unknown. Gasket may settle causing a slight oil leak.

← All problems reported for the 2020 Mercedes-Benz GLB 250