2020 Mercedes-Benz E 450 Technical Service Bulletins

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

• 10191284Mar 10, 2021Electrical system. Fault message in instrument cluster to drive at max. 50 mph
• 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.
• 10186148Dec 30, 2020Visibility (wipers, defrost, mirrors). Air Conditioning Intermittently Does Not Cool
• 10186140Dec 17, 2020Electrical system. Functional impairment of 48 V on-board electrical system
• 10186154Dec 11, 2020Electrical system. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2019-2020 CLS-Class, E-Class, and GLE-Class (167, 213, 238, and 257 Platform) vehicles, the software for the on-board electrical system battery control unit does not correspond to the current series production configuration.
• 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)
• 10186135Dec 9, 2020Brakes, Electronic stability control. If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit
• 10186137Dec 8, 2020Steering. Fault Code U045A00 "Implausible Data Were Received From Control Unit 'Parking System'." Stored In Electric Power Steering Control Unit
• 10181128Sep 16, 2020Steering. Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column
• 10179949Aug 24, 2020Transmission and drivetrain. Shifting complaints and transmission fault codes in vehicles with transmission 725.0
• 10179956Aug 10, 2020Electrical system. Xentry Battery Tester results disagree with workshop assessment
• 10179971Aug 7, 2020Body and structure. The front right inner door panel does not correspond with our specifications in the vehicles of the above-mentioned model series transferred to you. The possibility exists that a crack has occurred at the inner section of the front frame area of the right front door. In vehicle operation, crack growth and as a result corrosion formation could occur at the door body shell in the crack area.
• 10179907Aug 3, 2020Lane departure. Engine diagnosis warning lamp activated - Fault code P012800
• 10179966Jul 31, 2020Equipment, Other or unknown. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10179951Jul 20, 2020Electrical system. AIRMATIC Fault Message "Max 80 km/ h (50 mph) " In Instrument Cluster
• 10178732Jul 20, 2020Equipment. Air Conditioning Intermittently Does Not Cool
• 10178729Jul 20, 2020Body and structure, Equipment. Hold detent for front door hinges
• 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.
• 10177561Jun 18, 2020Electrical system, Transmission and drivetrain, Engine, Equipment. The check engine indicator light in the instrument cluster may be illuminated with one of the following fault codes: P261029, P02FF85, or P02FF02 stored in the engine control unit (N3/10). The time in instrument cluster is implausible due to an internal reset.
• 10177555Jun 16, 2020Equipment, Seats. When the dynamic seat is activated, the tensioning straps on the seat backrest frame may creak. The tensioning straps are in contact with the seat backrest frame and as a result, a creaking noise may occur. Apply lubricant (Krytox) between the tensioning strap and the seat backrest frame.
• 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
• 10171655Jan 28, 2020Electrical system. Functional impairment of 48 V on-board electrical system
• 10169586Nov 14, 2019Equipment. EASY-Pack liftgate does not fully open
• 10205246Apr 9, 2018Equipment. Vehicle positioning inaccurate/implausible.
• 10205216Apr 9, 2018Visibility (wipers, defrost, mirrors). Window lifter reverses direction on reaching upper end position.
• 10205245Nov 30, 2016Equipment. Vehicle positioning inaccurate/implausible.
• 10205156Aug 26, 2016Transmission and drivetrain, Other or unknown. Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.
• 10205247Aug 25, 2016Equipment. Traffic information service and posibly the voice control, nonfunctional after navigation software update.
• 10205264Aug 23, 2016Body and structure. Trunk lid difficult to close.
• 10205244Aug 23, 2016Equipment. Vehicle positioning inaccurate/implausible.
• 10205235Aug 22, 2016Equipment. Cellular telephone; Voice control system.
• 10205194Aug 17, 2016Body and structure. Firewall grommet on assembly partition wall leaky.
• 10205227Aug 9, 2016Visibility (wipers, defrost, mirrors). Wiper blades make noises.
• 10205224Aug 9, 2016Electrical system. Fault message in instrument cluster(B178392).
• 10205154Aug 5, 2016Engine cooling, Other or unknown. Gasket may settle causing a slight oil leak.
• 10205243May 9, 2016Equipment. Central display: Malfunctions temporarily.

← All problems reported for the 2020 Mercedes-Benz E 450