Multi-V belt guide pulley – Mercedes R129 W140 R170 R230 W202 W210 etc.

Multi-belt reversing pulley – Mercedes R129 R170 R171 R230 W202 W203 W204 W210 W211 W220 W221 etc. – M112 M113 M272

Bending roller – guide roller for the multi-V belt of various Mercedes models, including M112, M113 and M272 engines. The roller ensures correct guidance of the serpentine belt, is made of plastic, and is equipped with a cover cap.

This bending roller has been used by Mercedes in a large number of engine and chassis variants. The most important applications per model series are listed below.

Suitable for Mercedes models

R129

• SL 280 – 129,059 – M112,923 – 2.8 – 150 kW – 204 hp – petrol
• SL 320 – 129,064 – M112,943 – 3.2 – 165 kW – 224 hp – petrol
• SL 500 – 129,068 – M113,961 – 5.0 – 225 kW – 306 hp – petrol

R170

• SLK 320 – 170,465 – M112,947 – 3.2 – 160 kW – 218 hp – petrol
• SLK 32 AMG – 170,466 – M112,960 – 3.2 compressor – 260 kW – 354 hp – petrol

R171

• SLK 280 – 171,454 – M272,942 – 3.0 – 170 kW – 231 hp – petrol
• SLK 300 – 171,454 – M272,942 – 3.0 – 170 kW – 231 hp – petrol
• SLK 350 – 171,456 – M272,963 – 3.5 – 200 kW – 272 hp – petrol

R230

• SL 350 – 230,467 – M112,973 – 3.7 – petrol
• SL 350 – M272 – 3.5 – petrol
• SL 500 – M113 – 5.0 – petrol
• SL 55 AMG – M113 – 5.4 supercharger – petrol

W202

• C 240 – 202.026 – M112.910 – 2.4 – petrol
• C 280 – 202.029 – M112.920 – 2.8 – petrol
• C 43 AMG – 202,033 – M113,944 – 4.3 – petrol

S202

• C 240 T – 202.086 – M112.910 – 2.4 – petrol
• C 280 T – 202.089 – M112.920 – 2.8 – petrol
• C 43 AMG T – 202,093 – M113 – 4.3 – petrol

W203

• C 240 – M112 – 2.6 – petrol
• C 320 – M112 – 3.2 – petrol
• C 32 AMG – M112 – 3.2 supercharger – petrol
• C 55 AMG – M113 – 5.4 – petrol
• C 230 – 203.052 – M272.920 – 2.5 – 150 kW – 204 hp – petrol
• C 280 – 203.054 – M272.940 – 3.0 – 170 kW – 231 hp – petrol
• C 280 4MATIC – M272.941 – 3.0 – 170 kW – 231 hp – petrol
• C 350 – M272 – 3.5 – petrol

S203

• C 240 T – M112 – 2.6 – petrol
• C 320 T – M112 – 3.2 – petrol
• C 32 AMG T – M112 – 3.2 compressor – petrol
• C 55 AMG T – M113 – 5.4 – petrol
• C 230 T – 203.252 – M272.920 – 2.5 – 150 kW – 204 hp – petrol
• C 280 T – 203.254 – M272.940 – 3.0 – 170 kW – 231 hp – petrol
• C 280 T 4MATIC – M272.941 – 3.0 – 170 kW – 231 hp – petrol
• C 350 T – M272 – 3.5 – petrol

CL203

• C 230 Sportcoupé – 203,752 – M 272,920 – 2.5 – 150 kW – 204 hp – petrol
• CLC 230 – CLC 250 – 203.752 – M272.920 – 2.5 – 150 kW – 204 hp – petrol
• C 320 Sport Coupé – M112 – 3.2 – petrol
• C 350 Sport Coupé – M272 – 3.5 – petrol

W204

• C 230 – M272.921 – 2.5 – 150 kW – 204 hp – petrol
• C 280 – M272 – 3.0 – 170 kW – 231 hp – petrol
• C 300 – M272 – 3.0 – petrol
• C 350 – M272 – 3.5 – petrol

S204

• C 230 T – M272.921 – 2.5 – 150 kW – 204 hp – petrol
• C 280 T – M272 – 3.0 – 170 kW – 231 hp – petrol
• C 300 T – M272 – 3.0 – petrol
• C 350 T – M272 – 3.5 – petrol

C208

• CLK 240 – M112 – 2.6 – petrol
• CLK 320 – M112 – 3.2 – petrol
• CLK 430 – M113 – 4.3 – petrol
• CLK 55 AMG – M113 – 5.4 – petrol

A208

• CLK 240 Cabriolet – M112 – 2.6 – petrol
• CLK 320 Convertible – M112 – 3.2 – petrol
• CLK 430 Convertible – M113 – 4.3 – petrol
• CLK 55 AMG Convertible – M113 – 5.4 – petrol

C209

• CLK 240 – M112 – 2.6 – petrol
• CLK 320 – M112 – 3.2 – petrol
• CLK 500 – M113 – 5.0 – petrol
• CLK 55 AMG – M113 – 5.4 – petrol
• CLK 280 – 209,354 – M272,940 – 3.0 – 170 kW – 231 hp – petrol
• CLK 350 – M272 – 3.5 – petrol

A209

• CLK 240 Cabriolet – M112 – 2.6 – petrol
• CLK 320 Convertible – M112 – 3.2 – petrol
• CLK 500 Convertible – M113 – 5.0 – petrol
• CLK 55 AMG Convertible – M113 – 5.4 – petrol
• CLK 280 Cabriolet – 209,454 – M272,940 – 3.0 – 170 kW – 231 hp – petrol
• CLK 350 Cabriolet – M272 – 3.5 – petrol

W210

• E 240 – M112 – 2.4 and 2.6 – petrol
• E 280 – M112 – 2.8 – petrol
• E 320 – M112 – 3.2 – petrol
• E 430 – M113 – 4.3 – petrol
• E 55 AMG – M113 – 5.4 – petrol

S210

• E 240 T – M112 – 2.4 and 2.6 – petrol
• E 280 T – M112 – 2.8 – petrol
• E 320 T – M112 – 3.2 – petrol
• E 430 T – M113 – 4.3 – petrol
• E 55 AMG T – M113 – 5.4 – petrol

W211

• E 240 – M112 – 2.6 – petrol
• E 320 – M112 – 3.2 – petrol
• E 500 – M113 – 5.0 – petrol
• E 55 AMG – M113 – 5.4 supercharger – petrol
• E 230 – M272.922 – 2.5 – 150 kW – 204 hp – petrol
• E 280 – M272.943 – 3.0 – 170 kW – 231 hp – petrol
• E 280 4MATIC – M272.944 – 3.0 – 170 kW – 231 hp – petrol
• E 350 – M272.964 – 3.5 – 200 kW – 272 hp – petrol

S211

• E 240 T – M112 – 2.6 – petrol
• E 320 T – M112 – 3.2 – petrol
• E 500 T – M113 – 5.0 – petrol
• E 55 AMG T – M113 – 5.4 supercharger – petrol
• E 230 T – M272.922 – 2.5 – 150 kW – 204 hp – petrol
• E 280 T – M272.943 – 3.0 – 170 kW – 231 hp – petrol
• E 280 T 4MATIC – M272.944 – 3.0 – 170 kW – 231 hp – petrol
• E 350 T – M272.964 – 3.5 – 200 kW – 272 hp – petrol

C207 – A207

• E 350 Coupé – M272 – 3.5 – petrol
• E 350 Cabriolet – M272 – 3.5 – petrol

C219

• CLS 280 – M272.943 – 3.0 – 170 kW – 231 hp – petrol
• CLS 300 – M272.943 – 3.0 – 170 kW – 231 hp – petrol
• CLS 350 – M272.964 – 3.5 – 200 kW – 272 hp – petrol
• CLS 500 – M113 – 5.0 – petrol
• CLS 55 AMG – M113 – 5.4 supercharger – petrol

W220 – V220

• S 280 – M112 – 2.8 – petrol
• S 320 – M112 – 3.2 – petrol
• S 350 – M112 – 3.7 – petrol
• S 430 – M113 – 4.3 – petrol
• S 500 – M113 – 5.0 – petrol
• S 55 AMG – M113 – 5.4 – petrol

C215

• CL 500 – M113 – 5.0 – petrol
• CL 55 AMG – M113 – 5.4 – petrol

W221 – V221

• S 300 – M272 – 3.0 – petrol
• S 350 – M272.965 – 3.5 – 200 kW – 272 hp – petrol
• S 350 Long – M272.965 – 3.5 – 200 kW – 272 hp – petrol

W163

• ML 320 – M112 – 3.2 – petrol
• ML 350 – M112 – 3.7 – petrol
• ML 430 – M113 – 4.3 – petrol
• ML 500 – M113 – 5.0 – petrol
• ML 55 AMG – M113 – 5.4 – petrol

W164

• ML 350 4MATIC – 164.186 – M272.967 – 3.5 – 200 kW – 272 hp – petrol
• ML 500 – M113 – 5.0 – petrol

X164

• GL 450 – M273 – petrol
• GL 500 – M273 – petrol

W251 – V251

• R 350 – M272.967 – 3.5 – 200 kW – 272 hp – petrol
• R 500 – M113 – 5.0 – petrol

W461 – W463

• G 320 – M112 – 3.2 – petrol
• G 500 – M113 – 5.0 – petrol
• G 55 AMG – M113 – 5.4 – petrol

W638

• Vito and V-Class – various versions, depending on engine and belt drive

W639

• Vito and Viano – various versions, depending on engine and belt drive

Sprinter B901 – B902 – B903 – B904 – B905 – B906 – B909

• Various Sprinter versions, depending on engine and belt drive

Confirmed engine families

1. M112 – including M112.910, M112.911, M112.912, M112.913, M112.914, M112.915, M112.916, M112.917, M112.920, M112.921, M112.922, M112.923, M112.940, M112.941, M112.942, M112.943, M112.944, M112.945, M112.946, M112.947, M112.949, M112.951, M112.953, M112.954, M112.955, M112.970, M112.972, M112.973, M112.975 and M112.976
2. M113 – including M113.940, M113.941, M113.942, M113.943, M113.944, M113.948, M113.960, M113.961, M113.962, M113.963, M113.964, M113.965, M113.966, M113.967, M113.968, M113.969, M113.971, M113.980, M113.981, M113.982, M113.984, M113.986, M113.987, M113.988 and M113.989
3. M272 – including M272.911, M272.920, M272.921, M272.922, M272.940, M272.941, M272.942, M272.943, M272.944, M272.946, M272.947, M272.960, M272.961, M272.963, M272.964, M272.965, M272.966, M272.967, M272.968, M272.969, M272.970, M272.971, M272.972, M272.975, M272.978, M272.979, M272.982, M272.983, M272.985 and M272.991

Additional information

1. Part: bending roller – multi-belt guide roller
2. Application: multi-V belt
3. Material: plastic
4. Outer diameter: 64 mm
5. Maximum outer diameter: 69 mm
6. Width: 27 mm
7. Roller contact surface width: 25 mm
8. Mounting point diameter: 17 mm
9. Version: with cover cap
10. Used in various Mercedes petrol and diesel engines
11. Mercedes confirms application to a large number of M112, M113, and M272 engine variants.

Installation advice

When replacing the bend roller, also check the multi-V belt, other guide pulleys, tensioner and belt tensioner Check carefully for wear, play, damage, and unusual noises. Worn parts can adversely affect belt operation and must be replaced simultaneously if necessary.

The assembly and installation guidelines and factory specifications of Mercedes always take precedence.

Always check before purchase and installation whether the part is suitable and equivalent based on photos, description, and specifications; installed or used parts cannot be returned.