Fitment notes: Battery located in engine compartment on right side; European H6 group may also fit
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Every control module on the 1986-1991 Mercedes-Benz 560SEL — where it lives, replacement time, and what it takes to program a replacement.
Climate Control Module (KE)2.5 hr R&Rno coding
📍 Behind center dashboard climate control panel
⚠️ Electronic climate control with vacuum actuators; self-diagnostic capability via LED codes on control head
Instrument Cluster (IC)2.0 hr R&Rno coding
📍 Dashboard behind instrument panel
⚠️ Analog cluster with electronic speedometer; odometer is mechanical; no coding but mileage transfer is manual/legal issue
Anti-Lock Brake System Control Unit (ABS)1.8 hr R&Rno coding
📍 Engine compartment, right side near firewall or under hood near master cylinder
⚠️ Bosch ABS 2 system; bleeding procedure critical; no coding but system must be bled and tested
Transmission Control Unit (TCU)1.5 hr R&Rrelearn only +0.4 hr▸ programming details
📍 Under driver's seat or behind center console kick panel
🔧 Mercedes HHT or Bosch KTS
⚠️ Controls 4-speed automatic (722.3/722.4); shift point adaptation required after replacement
Engine Control Unit (ECU)1.2 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Engine compartment, left side firewall near brake booster
🔧 Bosch KTS or Mercedes HHT
⚠️ Bosch KE-Jetronic with electronic control; idle speed and basic adaptations only; fault code reading via 38-pin connector
Cruise Control Module (CC)1.2 hr R&Rno coding
📍 Engine compartment, left side near ECU or behind dashboard
⚠️ Electronic cruise control; vacuum actuated throttle; separate module from ECU
Supplemental Restraint System Control Unit (SRS)1.0 hr R&Rno coding
📍 Under center console between front seats
⚠️ Driver airbag only (1986-1988); driver and passenger (1989-1991); disconnect battery 10+ minutes before service
Adaptive Damping System Control Unit (ADS)1.0 hr R&Rno coding
📍 Trunk area, left side near wheel well (if equipped)
⚠️ Optional system; controls electronically adjustable shock absorbers; not present on all vehicles
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 1989 Mercedes-Benz 560SEL 5.6L V8 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.