Routing Diagram of Poly V-belt - Engine 271

Oct 29, 2026

This technical document provides detailed routing diagrams and component identification for the poly V-belt system on Mercedes-Benz Engine 271. It specifically covers configurations for engine variants 271.940 with a refrigerant compressor and 271.8. The guide lists essential belt-driven components, including the power steering pump, compressor, tensioner, vibration damper, coolant pump, and alternator pulleys. This documentation serves as a critical maintenance reference for identifying correct belt paths and component positioning to ensure optimal engine accessory performance and belt tensioning. The content is derived from official Daimler AG technical standards, ensuring accuracy for professional automotive service and repair procedures.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages1

Reading Time3 min

AccessFree to download

Routing Diagram of Poly V-belt

Engine 271.940 Configuration

Engine 271.8 Configuration

FAQs

What are the key components driven by the poly V-belt in engine 271?

The belt system drives the power steering pump, air conditioning compressor, coolant pump, and alternator, supported by a tensioner and vibration damper pulleys.

How does the routing differ between engine 271.940 and engine 271.8?

Engine 271.940 includes a refrigerant compressor with its own specific pulley, whereas the 271.8 configuration features a slightly different pulley arrangement involving an additional idler or specific accessory alignment.

Where can I find the official technical designation for this routing diagram?

The official technical document identification for this routing diagram is AR13.22-P-3902-02QP, published by Daimler AG.

Oct 29, 2026

Upload by Emma Wilson