Remove/install fuse and relay box in engine compartment, left front - AR54.15-P-1257TX

MODEL 219.356/375 

Fig 1: Identifying Engine Compartment Fuse And Relay Box Remove/Install Components (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Engine Compartment Fuse And Relay Box Remove/Install Components (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Engine Compartment Fuse And Relay Box Remove/Install Components (3 Of 3)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Remove air filter housing	Engine 272.964	AR09.10-P-1150TS
2.1	Partly remove seal (2) in engine compartment	Engine 272.964
3.1	Detach electrical connectors (3, 4, 5)	Engine 272.964
4.1	Expose wiring harness on right (6.1) up to fuse and relay box (1)	Engine 272.964
5	Remove and install SAM control unit with fuse and relay box, left front.	219.3 up to 31.05.06	AR54.21-P-1260TX
		219.3 as from 01.06.06	AR54.21-P-1260TM
6.1	Remove injection system control unit	Engine 113.967	AR07.08-P-7008TY
7	Remove ESP, SPS [PML] and BAS control unit		AR42.45-P-0820TX
8.1	Remove AIRmatic relay (K67) from fuse and relay box (1)	On vehicles with code (489) Airmatic (semi-active air suspension)
9	Unclip holder with relay (7) upwards from fuse and relay box (1)
10	Remove rear wiring harness (8) from fuse and relay box (1) and place to one side
11	Lift center wiring harness (9), detach electrical connector (10) and place center wiring harness (9) to one side	Make sure that the center wiring harness (9) is correctly routed.
12.1	Lift right wiring harness (6.2), detach electrical connector (11) and move right wiring harness (6.2) to one side	Engine 113.967 Make sure that the right wiring harness (6.2) is correctly routed.
13	Disconnect electrical connector (13)
14	Disconnect electrical connector (14)
15	Detach ground lines to ground (electronics) (W15/3)
16	Unclip wiring harness bracket (15)
17	Detach expansion clip (16) from coolant expansion reservoir (17) and place coolant expansion reservoir (17) with lines still connected to one side	Do not damage hoses, as otherwise coolant may leak out.
18	Detach ground lines to ground (left front, at lamp unit) (W9)
19	Disconnect electrical connector (18)
20	Disconnect electrical connector (19)
21.1	Remove radiator trim	On vehicles with code (219) Distronic (DTR)	AR88.40-P-4001TX
22.1	Detach electrical connector (20) to DTR controller unit (A89) and expose wiring harness	On vehicles with code (219) Distronic (DTR)
23	Detach electrical connector (21) to left front lamp unit (E1)
24.1	Remove front section of fender liner in left front fender	For vehicles with code (220) Parktronic system PTS or with code (489) Airmatic (semi-active air suspension)	AR88.10-P-1310TX
25.1	Disconnect front PTS separation point (X26/27)	On vehicles with code (220) Parktronic system PTS
26.1	Disconnect electrical connectors (22, 23, 24, 25)	On vehicles with code (489) Airmatic (semi- active air suspension)
27.1	Remove tie strap (26)	On vehicles with code (489) Airmatic (semi- active air suspension) Replace tie straps (26).
28.1	Unclip plug assembly with bracket (27) from front longitudinal member	On vehicles with code (489) Airmatic (semi- active air suspension) To do so push connector package with holder (27) (arrow) upwards, swivel it and route it downwards through the longitudinal member and then remove connector package with holder (27) at the side.
29.1	Detach left front axle damping valve unit connector (Y51x1)	On vehicles with code (489) Airmatic (semi- active air suspension)
30.1	Disconnect electrical connector (28)	On vehicles with code (489) Airmatic (semi- active air suspension)
31.1	Remove holder (29) from fuse and relay box (1)	Engine 113.967
32	Remove cable duct seal (30)
33	Remove bolts (31)	Screws (31) remain on the fuse and relay box (1).
34	Remove tie strap (32)	Replace tie straps (32).
35	Expose left wiring harness (12)	Pay attention to routing of cables.
36	Remove fuse and relay box (1) from engine compartment routing all electrical lines through it	Pay attention to routing of cables. Check seal of support (33) for signs of damage and to see if it is correctly seated.
37	Remove fuse and relay box (1)
38	Install in the reverse order