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 CHASSISTESTING & REPAIRREMOVE/INSTALL INJECTION SYSTEM CONTROL UNITREMOVE/INSTALL INJECTION SYSTEM CONTROL UNIT - AR07.08-P-7008RKB
2013 Mercedes Benz SL550
Remove/install injection system control unit - AR07.08-P-7008RKB
2013 Mercedes Benz SL550SECTION Remove/install injection system control unit - AR07.08-P-7008RKB
ENGINES 157, 278 in MODEL 231
| Remove/install | |||
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof | Keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| 1 | Connect STAR DIAGNOSIS and read out variant coding from ME-SFI [ME] control unit (N3/10) | AD00.00-P-2000-04A | |
| 2 | Switch off ignition | ||
| 3 | Remove engine cover (3) | ||
| 4 | Remove ME-SFI [ME] control unit (N3/10) with ball bearing support (4) upwards out of the mount on intake manifold | ||
| 5 | Detach plugs (2a, 2b) and unplug from ME-SFI [ME] control unit (N3/10) | ||
| 6 | Remove ball-type support braces (4) from ME-SFI [ME] control unit (N3/10) | *BA07.08-P-1001-01A | |
| 7 | Install in the reverse order | ||
| 8 | Carry out sensor adaptation using STAR DIAGNOSIS | Menu route:
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| 9 | Unfasten transport protection on ME-SFI [ME] control unit (N3/10) | ||
| 10 | Personalize and activate ME-SFI [ME] control unit (N3/10) | ||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 11 | Carry out engine test run |
CONTROL UNIT
| Number | Designation | Engines 157, 278 | |
|---|---|---|---|
| BA07.08-P-1001-01A | Ball head support to control unit | Nm | 4 |
RENDER: 1.0x
NO RELATED
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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.