Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCEDES BENZ2013SL550REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSMIXTURE FORMATION - 231 CHASSIS
2013 Mercedes Benz SL550
Mixture Formation - 231 Chassis
2013 Mercedes Benz SL550SECTION Mixture Formation - 231 Chassis
- General Information
- Basic Knowledge
- Table of contents for function description of motor electronics (ME-SFI) fuel injection and ignition system - GF07.61-P-0999MUA
- Overview of system components motor electronics (ME-SFI) fuel injection and ignition system - GF07.61-P-9997MUA
- Table of contents for function description of gasoline injection and ignition system with direct injection
- Overview of system components for gasoline injection and ignition system with direct injection
- Safety Precautions
- Testing & Repair
- Remove/install high-pressure pump
- Remove/install fuel injectors
- Remove/install fuel rail
- Remove/install fuel distributor with injection valves (ME-SFI) - AR07.03-P-1451RKC
- Remove/install injection valves (ME-SFI) - AR07.03-P-6520RKC
- Remove/install a pressure sensor
- Remove/install radiator identification sensor
- Remove/install injection system control unit
- Remove/install pressure transducer for boost pressure control
- Remove/install throttle valve actuator
- Remove/install heated O2 sensor
- Remove/install NOx sensor - AR07.70-P-0001RKA
- Remove/install for NOx temperature sensor for storage catalytic converter - AR07.70-P-0002RKA
- Test & Adjustment Values
- Torque Specifications
- Wiring Diagrams
- Wiring diagram for gasoline direct injection system control unit
- Wiring diagram for gasoline direct injection system control unit - PE07.08-P-2101RKC
- Wiring diagram for gasoline direct injection system control unit - PE07.08-P-2101RKD
- Wiring diagram for gasoline direct injection system control unit - PE07.08-P-2101RKF
- Wiring diagram for gasoline direct injection system control unit - PE07.08-P-2101RKG
- Wiring diagram for gasoline direct injection system control unit - PE07.08-P-2101RKH
- Electrical function schematic, ignition ON
- Electrical function schematic for starting
- Electrical function diagram for ignition OFF
- Electrical function schematic for fuel supply
- Electrical function diagram for injection control
- Electrical function schematic for ignition system
- Electrical function schematic, synchronization of the injection and firing order
- Electrical function schematic, synchronization of the injection and firing order - PE07.10-P-2706RKA
- Electrical function schematic, synchronization of the injection and firing order - PE07.10-P-2706RKB
- Electrical function schematic, synchronization of the injection and firing order - PE07.10-P-2706RKC
- Electrical function schematic for start phase, post-start phase and warm-up enrichment
- Electrical function schematic for start phase, post-start phase and warm-up - PE07.10-P-2707RKD
- Electrical function schematic for rpm control
- Electrical function schematic, alternator interface
- Electrical function schematic for lambda control
- Electrical function schematic for smooth running control
- Electrical function schematic for thermal management
- Electrical function schematic for torque coordination
- Electrical function schematic for deceleration fuel shutoff
- Electrical function schematic for knock control
- Electrical function schematic for camshaft adjustment
- Electrical function schematic for engine limp-home mode
- Electrical function schematic for on-board diagnosis
- Electrical function schematic for engine timing start stop
- Electrical function schematic for safety fuel shutoff
- Wiring diagram for ME-SFI (ME) gasoline injection and ignition system control unit
- Wiring diagram for ME-SFI (ME) gasoline injection and ignition system control unit - PE07.61-P-2101RKA
- Wiring diagram for ME-SFI (ME) gasoline injection and ignition system control unit - PE07.61-P-2101RKB
- Wiring diagram for ME-SFI (ME) gasoline injection and ignition system control unit - PE07.61-P-2101RKC
- Wiring diagram for gasoline direct injection system control unit
- Special tools
- 000 589 68 03 00 Box wrench bit - WS07.00-N-0004A
- 103 589 00 21 00 Testing unit - WS07.00-N-0014B
- 936 589 01 63 00 Adapter cable, 16-pin - WS07.00-N-3058B
- 000 589 00 68 00 Cleaning kit - WS07.00-P-0001C
- 279 589 00 63 00 196 Pin adapter cable - WS07.00-P-0002B
- 119 589 04 63 00 Pressure hose - WS07.00-P-0024B
- 000 589 69 03 00 Ring wrench bit - WS07.00-P-0088B
- 266 589 01 63 00 154-pin adapter cable - WS07.00-P-0121B
- 272 589 00 43 00 Assembly tool - WS07.00-P-0127B
- 276 589 01 91 00 Connection line - WS07.00-P-0148B
- 276 589 02 91 00 Latch - WS07.00-P-0149B
- 276 589 00 63 00 4-pin adapter cable - WS07.00-P-0150B
- 278 589 00 15 00 Drift - WS07.00-P-0152B
- 278 589 00 33 00 Puller - WS07.00-P-0153B
- 278 589 01 15 00 Drift - WS07.00-P-0154B
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.