2019 Mercedes-Benz AMG C43 technical service bulletins
160 technical service bulletins and manufacturer communications cover the 2019 Mercedes-Benz AMG C43, including 4 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Fuel/propulsion system
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- Visibility/wiper
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic...
- Noises in the steering column area when steering
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time
- • Harsh 1‑2, 2‑3, and/or 3‑4 shift • Jerky shifting • Jolting when accelerating from stop
- Tailgate opens unintentionally
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- This document is intended as a pre-case diagnostic reference for transmission related concerns
- Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF...
- Engine
- Crackling and cracking noise from the outer wheel on the front axle when cornering
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop...
- The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the...
- After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the...
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper...
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be...
- Noises at the front axle when cornering or maneuvering (video files attached) Note: Save video files...
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Damaged cords/tensioning cables at the soft top interior trim with the following characteristics
- Headlamp, front fog lamp leaky or fogged
- When closing the door, the side window may remain slightly open (short stroke position)
- Headlamp, front fog lamp leaky or fogged
- Unknown or other
- Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure...
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS)...
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- The shift from 1st to 2nd gear may be uncomfortable under light load
- Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in...
- The result from the XENTRY battery test does not match the current state of the battery
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle,...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Electrical system
- Headlamp, front fog lamp leaky or fogged
- Headlamps leaking or fogged
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after...
- The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the...
- During a phone call, the called party has difficulty understanding/cannot understand the driver, or...
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault...
- Electrical system
- Noise from area of instrument panel Noise might occur in the following conditions
- Paint damage on door paneling in area of door handle (see picture 1).
- Fuel door may require several attempts to open
- Wind or airflow noises in the area of the doors
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- The flap of the reversing camera opens and closes by itself during forward travel
- After a control unit replacement of "N112/9
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Rear lamps fogged up/not leaktight
- Only vehicles with a variable transfer case are affected
- Washer fluid system leaks
- Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has...
- Headlamp or front fog lamp leaky or fogged
- Headlamps fogged or droplets forming
- To insure vehicle down time is kept at a minimum and all required information is available when case is...
- Headlamps fogged or droplets forming
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic...
- Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches...
- Tailgate opens unintentionally
- The steering wheel generates grinding noises between the steering wheel and steering column switch module...
- Noises in the steering column area when steering
- Electrical system
- Electrical system
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- Electrical system
- Visibility
- Loads induced at the steering wheel through pushing and pulling actions may
- Tailgate opens unintentionally
- Staining on door trim strips and top and bottom trim elements on rear side windows
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Thumping noise on rear axle shock absorber on rough road
- Customer may have one or more of the following complaints: • Vehicle location is shown incorrectly in the...
- The range of the integrated garage door opener (GTO) is too short
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Model series 190.4 Anti-theft alarm activates without obvious
- The Weather App will not populate local weather data based on current vehicle position.
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- Insufficient charging or no wireless charging with iPhone 12.
- Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
- Transmission diagnosis using th eIntelligent Predictive Repair (IPR) tool.
- M17x.xxx Check Engine Light on with Misfire DTC's
- Remote start causing CEL and U012600.
- Complaint: Height adjustment of electric steering column adjustment jams in upper / lower adjustment...
- Air Conditioning Intermittently Does Not Cool
- Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column
- Harsh engagement when changing gear range from P to D or R
- Shifting complaints and transmission fault codes in vehicles with transmission 725.0
- Electrical system: software
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect...
- Electrical system: software
- Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"
- Lamp unit fogged or droplets forming
- Headlamps fogged
- NTG5.5
- Information Label on Tire Sealant
- NTG5.5, NTG6
- Update Powertrain Control Unit (PTCU) Software
- All MY18/19 AMG Vehicles Equipped with STAR2.3: Engine May Not Automatically Restart
- Update sound system control unit software
- Fraying Headliner Cords
- Throttle lift-off clunking noises at drive shafts of front axle
- Throttle lift-off clunking noises at drive shafts of rear axle
- Outside mirror folding out/in nonfunctional
- Head-up display (HUD) code 463 ? lines on the display, display flickers
- Check coolant hose from expansion reservoir to cooler and replace if necessary
- High-voltage battery warning message" in instrument cluster
- Electric range is reduced after brief period
- NTG 5.5 head unit
- BR205 Facelift
- G Facelift 2018: Knocking noises from rear area on rough roads
- Seat belt extender toothed rack sluggish or makes noises
- Map pocket on front seat backrest trim does not close.
- The animation in individual vehicle settings such as, e.g. mirror folding function or seat belt adjustment...
- The Audio 20 control unit (A26/17) or COMAND Online control unit (A26/17) does not start (central display...
- Passenger side outside mirror glass adjusts itself at random at ignition on/off
- MY-All Model 205, Maintenance Interval
- In addition to the information published in the Introduction into Service Manual, note maintenance...
- The COMAND unit does not start or the COMAND display remains dark
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