Model | 215.375/376/378 1# as of 9/1/02 |
with code 550 (Trailer coupling) | |
except code 772 (AMG styling - Front spoiler, side skirts) | |
except code 855 (TELE AID) | |
Mechanical swing-away trailer hitch | |
Model | 215.375/378 1# up to 8/31/02 |
with code 550 (Trailer coupling) | |
except code 772 (AMG styling - Front spoiler, side skirts) | |
Mechanical swing-away trailer hitch |
2 | Fuse carrier |
3 | White, 2-pin coupling |
4 | Black, 6-pin connector |
br | Brown line |
br/rt | Brown/red line |
gn | Green line |
ws | White line |
F4 | Rear fuse box |
K40/5 | Rear fuse and relay module |
N10/8 | Rear SAM control unit |
W50/2 | CAN and rear SAM ground shielding |
P31.19-2140-06
1 | Wiring harness for trailer coupling socket |
5 | Rubber grommet |
br | Brown line |
W7/1 | Ground (right taillamp in trunk) |
P31.19-2143-06
Danger | Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC. | No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers. | |
Topical note | Notes on battery | ||
| Remove/install | ||
1 | Disconnect battery ground line | ||
2 | Remove rear bumper | ||
3 | Remove trailer hitch socket housing | ||
4 | Remove operating lever for mechanically swiveling trailer hitch |
| |
5 | Remove trailer recognition control unit | ||
Do not disconnect electrical connectors. | |||
6 | Remove remote trunk closing hydraulic pump | ||
Only model 215, 220 with code 881 (Remote trunk closing). | |||
Place remote trunk closing hydraulic pump to one side. Do not disconnect electrical and hydraulic lines. | |||
7 | Remove rear seat cushion | ||
Only right rear seat cushion. | |||
8 | Remove rear seat backrest | ||
9 | Remove rear SAM control unit (N10/8) | ||
Place rear SAM control unit (N10/8) to one side. Do not disconnect electrical connectors. | |||
10 | Unscrew brown line (BN) with round cable lug from ground shield CAN and rear SAM (W50/2) | Only vehicles up to ident no. A016836. | |
11 | Unclip dark blue fuse carrier (2) of trailer hitch socket wiring harness (1) from rear fuse box (F4) | Two fuse carriers. | |
12 | Remove white, 2-pin coupling (3) of trailer hitch socket wiring harness (1) from slot K2 of rear fuse and relay module (K40/5) | ||
13 | Remove black, 6-pin coupling (4) from slot 1 of rear SAM control unit (N10/8) | ||
14.1 | Remove white line (WH) and green line (GN) from black, 6-pin coupling (4) of vehicle's wiring harness | Only vehicles up to ident no. A016836. | |
White line (WH) from slot 5, green line (GN) from slot 6. | |||
14.2 | Remove brown line (BN) and brown/red line (BN/RD) from black, 6-pin coupling (4) of vehicle's wiring harness | Only vehicles as of ident no. A016837. | |
Brown line (BN) from slot 5, brown/red line from (BN/RD) slot 6. | |||
15 | Disconnect trailer hitch socket wiring harness (1) from vehicle's wiring harness and route through cable duct from rear into trunk | ||
16 | Unclip control lever branch-off line with black, 4-pin coupling from trailer hitch socket wiring harness (1) on rear center section | ||
17 | Unscrew brown line (BN) with round cable lug from right taillamp trunk ground (W7/1) | ||
18 | Remove feed-through grommet (5) from trailer hitch socket wiring harness (1) | ||
19 | Unclip trailer hitch socket wiring harness (1) (see enlarged detail) and pull out towards rear through body opening below right taillamp | Avoid any damage through sharp body edges. | |
20 | Install in the reverse order | Ensure that trailer hitch socket wiring harness (1) is routed correctly without any chafing. | |
21 | Conduct function check on mechanical swing-away trailer hitch | ||
22 | Check function of light signals at trailer hitch socket | ||
|
Referenced documents
- ah5410p000101a Notes on battery
- ah5410p000101a
- an3119p810006mn Perform function test of light signals at the trailer hitch socket.
- ar3111p8010m
- ar3111p8010m Control lever for mechanical swing-away trailer hitch, removal and installation
- ar3119p1300n Remove/install trailer recognition control unit
- ar3119p1350na Remove/install trailer hitch socket housing
- ar3119p1450m Carry out function check of mechanically swiveling trailer hitch
- ar5410p0003i Disconnecting and connecting ground cable at battery
- ar5421p1259i Removing and installing SAM control module with fuse and relay box in rear
- ar8820p2200n Remove/install rear bumper
- ar8850p5070n Removing and installing hydraulic pump for trunk lid remote control
- ar9112p1020n Removing and installing rear seat cushion
- as5410z000101a Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of