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Mercedes Boost Leak Testers

Vehicle-specific testers for Mercedes: A45 AMG, CLA45 AMG, E-Class 3.2L and GLA 45.

Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!

Boost leak testing your Mercedes

Mercedes testers cover the 2.0L AMG cars and one diesel. The A45 AMG and CLA45 AMG kits fit the M133 engine from 2013 to 2015, and the GLA45 AMG kit fits 2014 to 2019 cars. All three are made for the stock turbo. For diesels, there is a kit for the W211 E320 CDI 3.2L with the OM648, 2002 to 2006. Every kit is billet aluminum with a liquid-filled gauge. The M133 makes a lot of boost from a small engine, so even a small leak in a coupler or the intercooler piping costs noticeable power and can bring up a check engine light. On the E320 CDI, worn intercooler hoses and clamps are common and lead to lost power and smoke. Fit the tester, start at 5 PSI and work up slowly while you listen and spray soapy water along the charge pipes and every joint. Text us if you have a different turbo Mercedes.