LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2013 >> GLK350 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Brakes - Hydraulic & Mechanical System - Maintenance - 2 Of 2) >> Maintenance >> Inspect Condition Of Brake Disks >> Inspect condition of brake disks - AP42.10-P-4258GQ

Inspect condition of brake disks - AP42.10-P-4258GQ

WARNING: This page does not describe the selected car, but rather 203 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz S65 AMG, and 2020 Mercedes-Benz GLA250. However, it is still accessible from the selected car via links, so may be relevant.

Model 166 

Fig 1: Inspecting Brake Disks Condition
G10038087Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER 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. AS00.00-Z-0002-01A
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
1 Remove wheel-and-tire assembly   AP40.10-P-4050EW
INSPECT Check     
2 Check brake disks (1) at front and rear axle IMPORTANT Inspect for scores and cracks. Hairline cracks can occur due to high stress.
IMPORTANT Brake disks (1) do not have to be replaced when the crack length (2) is a maximum of 25 mm. With perforated brake disks or those provided with sunk holes (1) measure the crack length (2) including the bore diameter.
For cracks and scores which have split open and are deeper than 0.5 mm:
↓
Replace brake disks (1) subject to separate repair order.		  
MEASURING Measure     
3 Measure thickness of brake disks on front and rear axles using caliper gauge (010) Front axle brake disk thickness *BE42.10-P-1001-08N 
Rear axle brake disk thickness *BE42.10-P-1001-09L 
SPECIAL TOOL Caliper gauge
Observe recommended limit dimensions. If the wear limit has been exceeded or will be exceeded before the next brake pad change:
↓
Replace brake disks (1) on front axle subject to separate repair order.		 Figure
INSTALLING Install     
4 Mount wheel and tire assembly   AP40.10-P-4050EW
CHECK VALUES FOR FRONT AXLE BRAKE DISKS

Number Designation Model 166.003/004/055 Model 166.006/023/024 except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version) Model 166.056/057/058/062/823/824/856 except code P31 (AMG Line exterior) Model 166.056/062/856 with code 830 (Vehicles for China, additional parts) with code P31 (AMG Line exterior) Model 166.057/058/062 with code 494 (US version) with code P31 (AMG Line exterior) Model 166.064 except code P31 (AMG Line exterior) except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version) Model 166.872 as of 9/14/13 with code 494 (US version) Model 166.006/064/075 with code Z04 (Light armoring) Model 166.006/064/075 with code Z05 (B5 armoring on special protection version) Model 166.023/024 with code Z04 (Light armoring) Model 166.023/024 with code Z05 (B5 armoring on special protection version) Model 166.056/856 with code P31 (AMG Line exterior) except code 830 (Vehicles for China, additional parts) Model 166.057/058 with code P31 (AMG Line exterior) except code 494 (US version) Model 166.062 with code P31 (AMG Line exterior) except code 494 (US version) except code 830 (Vehicles for China, additional parts) Model 166.063/073/864/865/871/873 Model 166.064/823/824 with code P31 (AMG Line exterior) Model 166.872 up to 9/13/13 with code 494 (US version) Model 166.872 except code 494 (US version)
BE42.10-P-1001-08N Brake disk thickness New mm 32 36
Wear limit mm 29, 4 33, 4
CHECK VALUES FOR FRONT AXLE BRAKE DISKS

Number Designation Model 166.074/874 Model 166.075 except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version)
BE42.10-P-1001-08N Brake disk thickness New mm 36
Wear limit mm 34
CHECK VALUES FOR REAR AXLE BRAKE DISKS

Number Designation Model 166.003/004/006/023/024 with code P31 (AMG Line exterior) Model 166.003/023 with code 494 (US version) Model 166.006/023/024/075 with code Z04 (Light armoring) Model 166.006/023/024/075 with code Z05 (B5 armoring on special protection version) Model 166.055/057/058/062 except code 494 (US version) Model 166.055/057/058/062 with code 494 (US version) with code P31 (AMG Line exterior) Model 166.056/063/064/073/823/824/856/864/871/872/873 Model 166.003 except code 494 (US version) except code P31 (AMG Line exterior) Model 166.004 except code P31 (AMG Line exterior) Model 166.006/024 except code P31 (AMG Line exterior) except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version) Model 166.023 except code 494 (US version) except code P31 (AMG Line exterior) except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version) Model 166.055/057/058/062 with code 494 (US version) except code P31 (AMG Line exterior)
BE42.10-P-1001-09L Brake disk thickness New mm 22 14
Wear limit mm 19, 4 11, 4
CHECK VALUES FOR REAR AXLE BRAKE DISKS

Number Designation Model 166.074/874 Model 166.075 except code Z04 (Light armoring) except code Z05 (B5 armoring on special protection version)
BE42.10-P-1001-09L Brake disk thickness New mm 26
Wear limit mm 24
Fig 2: Identifying Caliper Gauge (140 589 00 19 00)
G10038088Courtesy of MERCEDES-BENZ USA
scientia non olet · About LEMON Manuals