Secondary air pump Troubleshooting
or definately under star mark warranty and manuf warranty.
your car is 2005. You don't have warranty?
My car has gone through 2 different 2nd air pump relays in about 6 months.
Good luck man

N3/10 ME-SFI control unit ......................N10/1IC Circuit 87 engine relay (driver-side SAM control unit with fuse and relay module) ............................N10/1kL Starter relay......................... N10/1kR AIR pump relay
Depending on what your production date/chassis code is the secondary air injection pump relay for the E55 is actually under the fresh air intake for the a/c system by the starter battery, or in the trunk behind the right side trunk liner panel.
Chassis code 803/804 (model year 03'/04') is under the fresh air intake by the starter battery.
Chassis code 805 (model year 05') is behind the right trunk liner panel. It is the relay that is held in with the white clips not the yellow ones.
Replace the relay and the pump. And check the fuse (#61 big orange 40amp in the drivers side front fuse box).
No cleaning of any valves needed on the 112/113 engines, that pretty much only applies to the old 104 (inline 6) engines.
Sorry, i have an 05' but my gf's is an 03' which is having the issue. How long is the emissions warranty?
Last edited by "G"; Jun 10, 2008 at 03:09 PM.
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I typed in the mb part # 002 542 1319 here for the secondary pump relay & this came up, you think this $6.00 relay will work?????????



