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As a way of giving back to the community we have compiled a list of OEM parts interchange for the various Mercedes Engines. This will allow you to use OEM parts to extract power reliably and by maintaining your warranty. In many cases this may also result in a more affordable upgrade!
M112 Upgrades
- C240/C320 Airbox: PN: A1120901501; this increases overall filter area by approximately 50%, Airbox volume by 35%, and increases intake tubes to 3", a 20% increase from stock
- M113 MAF: PN: A1130940048; The V8 MAF is a full 3" design that allows for increased flow. NOTE: You must swap out sensors and use only the housing of the V8.
- M113 Throttle Body: PN: A1131410125; The larger V8 TB is opened up to 74 mm and matches the inlet of the intake manifold perfectly.
- 430/500 M113 Fuel Injectors: PN: A1130780249; These injectors are rated at 19 lbs/hr and are a great upgrade for a bolt on car.
- C43/C55 M113 Fuel Injectors: PN: A1130780023; These monsters flow 21 lbs/hr and are perfect for a highly modified crossfire running headers, larger exhaust, cams, and head work. These injectors will support upwards of 275 HP.
CLK430 Fuel Pump: PN: A0004707894; The stock fuel pump is more the adequate at 160 l/hr to support up to 390 Crank HP (N/A), but for those of us that like to push the envelope and have added a little boost or nitrous, then a new pump is in order. The M113 (CLK430 used as example) pump flows a healthy 205 l/hr and will support upwards of 500 HP N/A or 380 HP FI.
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M113K 80mm Throttle Body Upgrade Here is a list of the parts and part numbers you will need to convert over to the larger 80mm TB for your E55/CL55/S55/SL55. Typical gains are over 20 RWHP!
AMG 80mm TB - 113 141 05 25
S/C inlet 80mm - 113 140 09 12
S/C inlet gasket - 113 141 07 80
80mm TB gasket - 137 141 07 80
80mm Y-Pipe with tubes - 113 090 03 29
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