🌍 International coverage, work in progress. This Russian-market vehicle is part of our hand-curated international catalog. We are filling in labor times, torque specs and fluids as fast as we can verify them, so some numbers may be missing or marked estimated for now. Do you work on these vehicles in the EU, Russia, or the JDM scene? Help us get it right: send real shop times or corrections to [email protected], or request the data you need and it joins the verification queue.

2018 MERCEDES-BENZ AMG GT 4-DOOR

4.0L Turbo V8AWDAUTOMATICgasM177turbo
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Dead battery / stuck in Park? Emergency neutral procedure for this AMG GT 4-Door
Every control module on the 2018-2023 Mercedes-Benz AMG GT 4-Door — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Unit (TCU)2.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Transmission housing or tunnel near transmission
🔧 Xentry Diagnostics + SCN online
⚠️ AMG Speedshift MCT 9-speed. VIN-locked, requires adaptation and SCN coding.
Rear Axle Steering Control Unit (RAS)2.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Rear axle area
🔧 Xentry Diagnostics + SCN online
⚠️ Rear-wheel steering (optional on some models). Requires alignment and SCN coding.
4MATIC Control Unit (4M)1.8 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Near transfer case or transmission
🔧 Xentry Diagnostics + SCN online
⚠️ 4MATIC+ all-wheel drive. Requires SCN coding and drivetrain adaptation.
Signal Acquisition and Actuation Module - Rear (SAM-R)1.5 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Trunk area, left or right side panel
🔧 Xentry Diagnostics + SCN online
⚠️ Controls rear electrical functions. VIN-locked.
Electric Power Steering Control Unit (EPS)1.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Steering column or rack housing
🔧 Xentry Diagnostics + SCN online
⚠️ AMG-specific calibration. Requires steering angle sensor calibration after coding.
Central Gateway Module (CGW)1.5 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Dashboard center or footwell area
🔧 Xentry Diagnostics + SCN online
⚠️ Security gateway. Critical component, requires dealer-level authorization and full vehicle reconfiguration.
Head Unit / COMAND / MBUX (HU)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Dashboard center stack
🔧 Xentry Diagnostics + SCN online
⚠️ MBUX system on later models. VIN-locked, requires online activation for navigation/features.
Airmatic / Active Body Control Module (ABC/ADS)1.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Front of vehicle, near radiator support or under vehicle
🔧 Xentry Diagnostics + SCN online
⚠️ AMG Ride Control+ air suspension. Requires ride height calibration and SCN coding.
Motor Electronics / Engine Control Unit (ME/ECU)1.2 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Engine bay, driver side firewall or top of engine
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires SCN coding and EIS pairing. AMG models may have dual ECUs for V8 biturbo.
Climate Control Unit (CCU)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Dashboard center, behind HVAC controls
🔧 Xentry Diagnostics
⚠️ Multi-zone climate. Adaptation usually sufficient, full SCN rarely needed.
Radar Sensor / DISTRONIC Control Unit (RSU)1.2 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Front bumper center or behind grille
🔧 Xentry Diagnostics + SCN online
⚠️ Adaptive cruise control and collision prevention. Requires radar alignment and SCN coding.
Electronic Stability Program Control Unit (ESP/ABS)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine bay, driver side near brake master cylinder
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated hydraulic unit. Requires brake bleed after replacement and SCN coding.
Camera Control Unit / Surround View (CCU)1.0 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Trunk area or behind rearview mirror
🔧 Xentry Diagnostics
⚠️ 360-degree camera system. Requires camera calibration after replacement.
Instrument Cluster (IC)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Dashboard, behind steering wheel
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, stores mileage. Mileage transfer requires dealer authorization.
Door Control Module (DCM)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Inside each door
🔧 Xentry Diagnostics
⚠️ Controls windows, mirrors, locks per door. Adaptation usually sufficient.
Electronic Ignition Switch (EIS)1.0 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Steering column
🔧 Xentry Diagnostics + SCN online
⚠️ Keyless Go. Part of security triangle with ECM and cluster. Key programming requires dealer access.
Restraint Systems Control Unit (SRS)0.8 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Center console or under front seats
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires crash data clear and component coding.
Intelligent Light System Control Unit (ILS)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Each headlight assembly
🔧 Xentry Diagnostics
⚠️ Multibeam LED on AMG models. Requires headlight aim calibration after coding.
Tailgate Control Module (TGM)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Trunk lid
🔧 Xentry or Autel
⚠️ Power trunk. Requires position learning after replacement.
Telematics Communication Module (TCM)0.8 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Trunk area or under rear seat
🔧 Xentry Diagnostics + SCN online
⚠️ Mercedes me connect. Requires online activation and subscription pairing.
Parktronic Control Unit (PTS)0.7 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Trunk area or rear bumper
🔧 Xentry or Autel
⚠️ Parking sensors. Calibration usually automatic.
Fuel Pump Control Module (FPCM)0.6 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Trunk area, near fuel tank
🔧 Xentry or Autel
⚠️ Usually plug-and-play with basic adaptation.
Seat Control Module (SCM)0.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under each front seat
🔧 Xentry or Autel
⚠️ AMG Performance seats. Usually adaptation sufficient.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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