LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2017 >> SL450 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Mixture Formation - 231 Chassis >> Testing & Repair >> Remove/install injection system control unit >> Remove/install injection system control unit - AR07.08-P-7008RKB
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Remove/install injection system control unit - AR07.08-P-7008RKB

ENGINES 157, 278 in MODEL 231 

Fig 1: Injection System Control Unit Remove/Install Components
G11128382Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER 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
NOTES 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) IMPORTANT Only when replacing the ME-SFI [ME] control unit (N3/10).
INSTALLATION IMPORTANT Transfer stored data to the new 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) IMPORTANT Only when replacing the ME-SFI [ME] control unit (N3/10).
TORQUE SPECIFICATION
*BA07.08-P-1001-01A 
7 Install in the reverse order    
8 Carry out sensor adaptation using STAR DIAGNOSIS IMPORTANT Only when replacing the ME-SFI [ME] control unit (N3/10).
Menu route:
  • Engine timing unit
  • Adaptations
  • Learning processes
 
9 Unfasten transport protection on ME-SFI [ME] control unit (N3/10) IMPORTANT Only when replacing the ME-SFI [ME] control unit (N3/10).  
10 Personalize and activate ME-SFI [ME] control unit (N3/10) IMPORTANT Only when replacing the ME-SFI [ME] control unit (N3/10).  
DANGER 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