WORK DESCRIPTION FOR FIELD MEASURE
Code: 20P4990102
Version: 2.0
Correct tightening torque of threaded connection between exhaust system and catalytic converter
Model 177
Work procedure
- Correct torque of threaded connection between exhaust system and catalytic converter.
For basic data, see AR49.10-P-7286MFD (M260, M282).
Screw from front exhaust system to center exhaust system 25 Nm
For basic data, see AR49.10-P-7142MFF (OM654).
Screw exhaust system from exhaust gas aftertreatment unit to front exhaust system 25 Nm
Operation text and flat rate
| Operation | Operation text no. | Flat rate | Accounting no./ damage code |
| 02-1794 | Correct exhaust system threaded connection torque | 0.4 h | 49 901 02 |
Global Service & Parts
Field measure management GSP/TPR
Correct Torque of Threaded Connection between Exhaust System and Catalytic Converter
Model A-Class (177 platform)
Model Year 2020
SaleBestseller No. 1
DISEN 9PCS Click Torque Wrench Set 1/4" 3/8" 1/2" Drive 20-220 In.lb, 5-45 Ft.lb, 10-170 Ft.lb with 6 Adapters, ±3% Accuracy, 72-Tooth, Dual Scale, Storage Case for Bike, Motorcycle, Car, Truck Repair
- 【9-in-1 Torque Solution】Complete set includes 1/4", 3/8", and 1/2" drive click torque wrenches plus 6 essential adapters (extension bars, universal joint, drive adapters) securely stored in a sturdy portable case.
- 【High Precision & Dual Scales】Factory-calibrated to ±3% accuracy with included certificate; features dual-range scales (1/4": 10-220 in.lb, 3/8": 5-45 ft.lb, 1/2": 10-170 ft.lb) for versatile application coverage.
- 【Clear & Safe Audible Click】Upgraded loud "Click" sound provides a distinct, reliable signal (strong over 5 N.m, subtle under) when preset torque is reached, preventing overtightening and ensuring safety.
- 【Smooth 72-Tooth Ratchet & Quick Release】Reversible 72-tooth ratchet head offers a low 5° arc swing for use in tight spaces and smooth operation in both directions. Quick-release button ensures secure socket changes.
- 【Durable Construction & Wide Use】Hardened Cr-V steel ratchet heads and phosphated adapters resist wear; aerospace aluminum handles ensure lightweight strength and corrosion resistance. Ideal for precise torque on bikes, motorcycles, cars, trucks, wheels, and industrial applications. Backed by 24-month support.
Bestseller No. 2
LEXIVON Torque Wrench 1/2-Inch Drive Click 10~150 Ft-Lb/13.6~203.5 Nm (LX-183)
- PRECISE & HIGH QUALITY - Manufactured in Taiwan, our torque wrench is engineered for superior precision. It ships pre-calibrated to +/- 4% accuracy, ensuring dependable results every time. Includes a calibration certificate with a trackable serial number for your assurance.
- DURABLE - Built to last, featuring a reinforced ratchet gear head made from hardened, heat-treated Chrome Vanadium alloy steel for maximum strength and durability.
- LONGEVITY - Protect your investment with our proprietary Electro-Black finish, providing advanced rust and corrosion resistance for extended tool life.
- PERFORMANCE - Easily read and set torque levels with our patent-pending dual-range scale. The high-contrast, yellow-on-black markings are designed for easy visibility, even in low-light conditions.
- OMFORT - Equipped with a reversible ratchet head that drives in both directions and measures torque in a clockwise direction. The ergonomic, knurled handle ensures a non-slip, comfortable grip, reducing hand fatigue.
SaleBestseller No. 3
EPAuto 1/2-inch Drive Click Torque Wrench, 10-150 ft/lb, 13.6-203.5 N/m
- Durable Ratchet Head: Made from Hardened treated Chrome Vanadium steel alloy (Cr-V) Corrosion-Retardant: Satin Finish. Made in Taiwan
- Easy Storage: A sturdy plastic storage case is included. Non-Slip Grip: Knurled handle
- Easy to Read: High Contrast & Dual Range Scale. Accurate: Pre-Calibrated to ± 4%
- Accessories included: 1/2" Drive 5" long Extension Bar
- Simple and Reliable: “Click” sound tells the preset torque value is reached. Stop applying force when you hear and feel it.
Bestseller No. 4
LEXIVON 3/8-Inch Drive Click Torque Wrench 10~80 Ft-Lb/13.6~108.5 Nm (LX-182)
- PRECISION - Ships pre-calibrated to +/- 4% accuracy and ready to use. Include calibration certificate with traceable serial number.
- DURABLE - Reinforced ratchet gear head constructed from hardened, heat treated Chrome Vanadium alloy steel.
- LONG-LASTING - Rust & corrosion protection with our unique and newly invented Electro-Black finish treatment.
- PERFORMANCE - Features an easy-to-read, highlighted yellow print dual-range scale. Identify the markings even in low-light conditions.
- COMFORTABLE - Comes with a reversible ratchet head that drives in both directions and measure torque in a clockwise direction.
SaleBestseller No. 5
CRAFTSMAN Torque Wrench, 1/2" Drive, 50-250 FT-LB (CMMT99434)
- PORTABILITY: Torque wrench 1/2 inch drive has a durable case for portability or storage
- ADDED COMFORT: Bi-material handle for comfort and grip of the 1/2 torque wrench
- HASSLE FREE USE: Locking feature adjusts quick and easily for hassle free use
- QUICK IDENTIFICATION: Scales stamped into housing showing inch and metric torque settings
- Meets or Exceeds ASME Specifications
Last update on 2026-06-19 / Affiliate links / Images from Amazon Product Advertising API
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