Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Danger | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
Topical note | Notes on battery | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system | ||
Topical note | Notes on self-locking nuts and bolts | ||
Install/remove | |||
1 | Perform enable for the high voltage on-board electrical system | Engine 276 in model 166.063 | |
2 | Remove corresponding underfloor paneling |
| |
Engine 276 in model 251 | |||
3 | Remove left catalytic converter | Engine 276.8 in model 166, 251, 292 | |
4.1 | Remove starter | Engine 276.9 in model 166 | |
4.2 | Remove cover from access opening for retaining lock | Engine 157, 276, 278 in model 292 | |
Engine 276, 278 in model 292 with transmission 725.0 | |||
Engine 157 in model 166 with transmission 722.9 | |||
Engine 276 in model 166 with transmission 724.2Bolt/nut, transmission to engine | |||
| Check | ||
5 | Remove charge air cooler and place with lines and coolant hoses attached to one side | Engine 276.8 in model 166, 251, 292 | |
6 | Check toothing of ring gear of drive plate for wear and damage by rotating engine at center bolt on crankshaft in direction of engine rotation | Socket wrench bit | |
If damage is present | |||
| |||
Replace drive plate. | |||
| |||
| |||
Warning | Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | |
7 | Insert retaining lock | If necessary turn engine at crankshaft. | |
Retaining lock | |||
8 | Removal in the reverse order |
112 589 03 40 00
Retaining lock
001 589 65 09 00
Socket wrench bit
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