Remove/install center floor

AR61.10-S-5745E

Remove/install center floor

18.12.2019

Model

447, 448

1

Center floor

 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.Model 447 with engine 780

AS00.00-Z-0035-01A

 Danger

The high voltage used for electric welding presents a lethal hazard. Risk of explosion from welding in areas close to highly inflammable materials. Risk of injury from weld splatter and UV-light when welding. Risk of poisoning from inhaling welding gases

Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly inflammable materials from the hazard area. Use air extraction system.

AS00.00-Z-0007-01A

 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.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on battery

Model 447 with engine 780

AH54.10-P-0001-01A

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

Model 447 with engine 780

AH00.00-Z-0300-01A

Topical note

General information on body repair

AH60.00-N-0001-01A

Topical note

Measures for preventing damage to components when performing electric welding and soldering work

AH60.00-P-0001-02A

General information on MB materials

AH98.00-P-9409-03A



Remove

1

Remove all detachable parts in area of repair point.

2

Cover all detachable parts that remain in the vehicle with fire-resistant welding protection blankets.

 Commercially available devices/tools
Welding protection blanket

3

Remove center floor (1).

AR61.10-S-5745-01E



000 588 00 84 00 Heat gun

WS54.00-P-0049B

 Commercially available devices/tools
Spot weld milling machine
Rotary wire brush
Wet and dry vacuum cleaner

4

Prepare center floor (1) for installation.

AR61.10-S-5745-02E

 Commercially available devices/tools
Hand drill
Hole punching pliers
Rotary wire brush
Wet and dry vacuum cleaner



Install

5

Install and weld in center floor (1).

AR61.10-S-5745-03E



000 588 02 84 00 Welder

WS60.00-P-0022K

 Commercially available devices/tools
Clamping pliers (Standard)
Angular grinder
Rotary wire brush
Wet and dry vacuum cleaner

6

Clean weld joints and sheet metal flanges with rotary wire brush.

 Commercially available devices/tools
Rotary wire brush

7

Remove welding protection blankets.

 Commercially available devices/tools
Welding protection blanket

 Danger

Risk of explosion caused by paint vapors igniting. Risk of poisoning caused by inhaling paint vapors.

No smoking! No open fire! Use respiratory protection, protective clothing, gloves, safety glasses and protective skin cream. Ensure that the area is well ventilated.

AS98.00-Z-0002-01A

8

Prime repair area with a primer filler.

Topical note

Notes on paintwork repairs

AH98.00-P-9408-02A

 Use only primer filler approved by Daimler AG:
http://xentryportal.mercedes-benz.com

9

Seal seam after repair.

AR97.10-S-4000E

 Supplement standard seals with sealant.

 Danger

Risk of explosion caused by paint vapors igniting. Risk of poisoning caused by inhaling paint vapors.

No smoking! No open fire! Use respiratory protection, protective clothing, gloves, safety glasses and protective skin cream. Ensure that the area is well ventilated.

AS98.00-Z-0002-01A

10

Paint repair area and adjacent surfaces.

Topical note

Notes on paintwork repairs

AH98.00-P-9408-02A

 Use only paints approved by Daimler AG:
http://xentryportal.mercedes-benz.com

11

Supplement cavity preservation

AR97.20-S-1500E

12

Install all detachable parts in area of repair point.