Every control module on the 2020-2026 Mercedes-Benz GLE63 AMG — 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&R security gateway +1.0 hr ▸ programming details
📍 Transmission bell housing, driver side
🔧 Xentry Diagnostics + SCN online
⚠️ AMG Speedshift MCT 9-speed. Requires transmission fluid drain, VIN-locked SCN coding.
Climate Control Unit (CCU) 2.0 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind center dash, above transmission tunnel
🔧 Xentry Diagnostics
⚠️ Dash removal required. Automatic climate control calibration needed.
Night View Assist Control Unit (NVA) 2.0 hr R&R security gateway +0.8 hr ▸ programming details
📍 Front bumper, center behind grille
🔧 Xentry Diagnostics + SCN online
⚠️ Infrared night vision camera. Alignment required after replacement. Optional equipment.
Electric Power Steering Control Unit (EPS) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Steering column, below instrument panel
🔧 Xentry Diagnostics + SCN online
⚠️ Steering angle sensor calibration required after coding.
Head Unit / MBUX (HU/MBUX) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Center dash, behind display screen
🔧 Xentry Diagnostics + SCN online
⚠️ MBUX infotainment system. VIN-locked from 2020+. Navigation data on internal storage.
4MATIC Control Unit (4M) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Under vehicle, near transfer case
🔧 Xentry Diagnostics + SCN online
⚠️ AWD system. Transfer case adaptation required after coding.
Electronic Stability Program Control Unit (ESP/ABS) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Engine bay, left front near fender
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated hydraulic unit. Brake bleeding required after replacement.
Electronic Ignition Switch (EIS) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Steering column, upper shroud
🔧 Xentry Diagnostics + SCN online
⚠️ Part of security triangle. Key programming requires all keys present and online authorization.
Radar Sensor / DISTRONIC Control Unit (RSU) 1.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Front bumper, center behind grille
🔧 Xentry Diagnostics + SCN online
⚠️ Adaptive cruise control with Active Distance Assist. Radar alignment with special tool required.
Airmatic / Active Body Control Module (ADS/ABC) 1.5 hr R&R security gateway +0.8 hr ▸ programming details
📍 Front left engine bay, near strut tower
🔧 Xentry Diagnostics + SCN online
⚠️ AMG Ride Control+ air suspension. Ride height calibration required.
Motor Electronics / Engine Control Unit (ME/ECU) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine bay, left side firewall near brake booster
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, requires SCN coding and EIS pairing. Enhanced security vs. previous generation.
Central Gateway Module (CGW) 1.2 hr R&R security gateway +1.5 hr ▸ programming details
📍 Driver footwell, behind kick panel
🔧 Xentry Diagnostics + SCN online
⚠️ Enhanced security gateway. Replacement requires extensive recoding of all modules.
Parktronic Control Unit (PTS) 1.2 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Rear bumper, center behind trim
🔧 Xentry Diagnostics
⚠️ Parking sensors. Sensor calibration required.
Camera Control Unit / Surround View (CCU) 1.0 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Behind rearview mirror, upper windshield
🔧 Xentry Diagnostics
⚠️ 360-degree camera system. Camera alignment required after coding.
Instrument Cluster (IC) 1.0 hr R&R security gateway +1.0 hr ▸ programming details
📍 Instrument panel, behind steering wheel
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked, part of security triangle. Mileage programming required. 12.3-inch digital display.
Door Control Module (DCM) 1.0 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Inside each door (four modules total)
🔧 Xentry Diagnostics
⚠️ Window and mirror calibration required after coding.
Fuel Pump Control Module (FPCM) 1.0 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under vehicle, near fuel tank
🔧 Autel MaxiSys
⚠️ Simple adaptation for fuel pressure. Lift required for access.
Trailer Module (TRM) 1.0 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Rear cargo area, near SAM-R
🔧 Xentry Diagnostics
⚠️ Trailer hitch electrical interface. Optional equipment. Requires SAM-R coding update.
Telematics Communication Module (TCM) 0.8 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Rear cargo area, left side panel
🔧 Xentry Diagnostics
⚠️ Mercedes me connect services. 4G LTE integrated.
Tailgate Control Module (TGM) 0.8 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Tailgate, left side panel
🔧 Xentry Diagnostics
⚠️ Power liftgate with hands-free operation. Height programming required after replacement.
Restraint Systems Control Unit (SRS) 0.8 hr R&R security gateway +0.5 hr ▸ programming details
📍 Center console, under front armrest
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. Crash data must be cleared with factory tool.
Intelligent Light System Control Unit (ILS) 0.8 hr R&R dealer / factory tool +0.5 hr ▸ programming details
📍 Each headlight assembly (left and right)
🔧 Xentry Diagnostics
⚠️ LED or Digital Light headlights. Headlight aim calibration required after replacement.
Seat Control Module (SCM) 0.6 hr R&R dealer / factory tool +0.3 hr ▸ programming details
📍 Under each front seat (driver and passenger)
🔧 Xentry Diagnostics
⚠️ Controls memory, heating, ventilation, massage. Two modules (left/right).
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?
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