Fitment notes: AGM battery required for start-stop system; located under hood on right side
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Every control module on the 2020-2026 Mercedes-Benz GLE580 — 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)4.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Transmission housing, driver side (9G-TRONIC integrated valve body)
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated with valve body; requires transmission oil change, adaptation, and VIN coding. Transmission removal often required.
4MATIC Control Unit (4M)3.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transfer case housing, center of vehicle
🔧 Xentry Diagnostics + SCN online
⚠️ Integrated with transfer case. Requires fluid change and torque distribution adaptation after replacement.
Electric Power Steering Control Unit (EPS)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Steering column, integrated with steering gear
🔧 Xentry Diagnostics + SCN online
⚠️ Requires steering angle sensor calibration and end-stop learning procedure after installation.
Hybrid Control Unit / Battery Management System (HCU/BMS)2.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
⚠️ Memory seat positions require relearn. Massage and ventilation functions need adaptation.
Fuel Pump Control Module (FPCM)0.5 hr R&Rno coding
📍 Rear cargo area, right side (controlled via SAM-R relay)
⚠️ Relay-based control through SAM-R; no separate module on this model. Listed for completeness.
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.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2026 Mercedes-Benz GLE580 4.0L V8 BiTurbo M176 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.